"Pseudo-MPEC" for P21Yd4B

Created 2024 Sep 9 10:22:22 UT using Find_Orb

Click here for an explanation of pseudo-MPECs

 
 Astrometry: 
     P21Yd4B* C2024 09 07.39128923 12 52.738+10 20 45.95   ~97BM 20.68wXNEOCPF52
     P21Yd4B  C2024 09 07.40261123 12 43.108+10 18 37.87   ~97BM 20.79wXNEOCPF52
     P21Yd4B  C2024 09 07.41398323 12 33.487+10 16 29.87   ~97BM 20.70wXNEOCPF52
     P21Yd4B  C2024 09 07.50737423 11 16.070+09 59 14.30   ~97H7 20.85GVNEOCPF52
     P21Yd4B  C2024 09 07.50803123 11 15.527+09 59 07.07   ~97H7 20.39GVNEOCPF52
     P21Yd4B 1C2024 09 07.83555 23 07 18.21 +09 01 37.5    ~97KM 21.4 VXNEOCP033
     P21Yd4B 1C2024 09 07.83673 23 07 17.39 +09 01 25.8    ~97KM 20.8 VXNEOCP033
     P21Yd4B 1C2024 09 07.83792 23 07 16.55 +09 01 14.1    ~97KM 21.3 VXNEOCP033
     P21Yd4B KB2024 09 07.88417 23 06 43.53 +08 53 46.7    ~97MM 20.3 RZNEOCP106
     P21Yd4B KB2024 09 07.88939 23 06 39.72 +08 52 55.1    ~97MM 19.9 RZNEOCP106
     P21Yd4B KB2024 09 07.89451 23 06 36.19 +08 52 06.3    ~97MM 20.3 RZNEOCP106
     P21Yd4B KB2024 09 07.89892 23 06 33.02 +08 51 23.9    ~97MM 20.1 RZNEOCP106
     P21Yd4B KB2024 09 07.91109623 06 25.28 +08 49 25.9    ~97MM 20.6 GXNEOCPI93
     P21Yd4B KB2024 09 07.91488523 06 22.56 +08 48 49.3    ~97MM 20.5 GXNEOCPI93
     P21Yd4B KB2024 09 07.91866323 06 19.93 +08 48 12.6    ~97MM 20.3 GXNEOCPI93
     P21Yd4B |C2024 09 08.14373023 03 50.730+08 14 44.50   ~984q 21.2 GVNEOCP807
     P21Yd4B |C2024 09 08.15034023 03 46.370+08 13 44.60   ~984q 21.0 GVNEOCP807
     P21Yd4B |C2024 09 08.15688023 03 42.020+08 12 45.60   ~984q 20.9 GVNEOCP807
     P21Yd4B KC2024 09 08.40444823 01 06.640+07 35 15.32   ~98A7 21.72GVNEOCPI52
     P21Yd4B KC2024 09 08.40534623 01 06.110+07 35 08.59   ~98A7 21.29GVNEOCPI52
     P21Yd4B KC2024 09 08.40623923 01 05.567+07 35 00.67   ~98A7 21.17GVNEOCPI52
     P21Yd4B !C2024 09 09.27533 22 53 35.22 +05 45 49.2    ~997M 21.3 GVNEOCP673
     P21Yd4B !C2024 09 09.28202 22 53 31.96 +05 45 04.8    ~997M       VNEOCP673

Station data:
(033) Karl Schwarzschild Observatory, Tautenburg  (N50.980139 E11.711240)
   Germany.  Observer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
(106) Črni Vrh  (N45.945905 E14.071100)  Slovenia.  Observer J. Skvarč. 0.6-m
   f/3.3 Deltagraph + CCD.
(673) Table Mountain Observatory, Wrightwood  (N34.381485 W117.682170)
   US/California.  Observers J. Chesley, J. Pittichova. Measurer W. M. Owen
   Jr. 0.61-m f/16 reflector + CCD.
(807) Cerro Tololo Observatory, La Serena  (S30.169133 W70.805900)  Chile.
   Observer R. Holmes. 0.61-m f/6.5 astrograph + CCD.
(F52) Pan-STARRS 2, Haleakala  (N20.707382 W156.255910)  US/Hawaii.
   Observers J. Bulger, T. Dukes, T. Lowe, A. Schultz, M. Willman. Measurers
   K. Chambers, S. Chastel, T. de Boer, L. Denneau, J. Fairlamb, H.
   Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat,
   R. Weryk. 1.8-m Ritchey-Chrétien + CCD.
(I52) Steward Observatory, Mt. Lemmon Station  (N32.442570 W110.788920)
   US/Arizona.  Observers T. A. Pruyne, B. M. Africano, E. J. Christensen, G.
   A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Gröller, J. A.
   Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, D. Rankin, R. L.
   Seaman, F. C. Shelly, K. W. Wierzchoś. 1.0-m prime focus + CCD.
(I93) St Pardon de Conques  (N44.558670 W0.202960)  France.  Observers F.
   Losse, W. D'Anna. Measurer F. Losse. 0.40-m f/3.7 reflector + CCD.

Orbital elements:  P21Yd4B
   Perihelion 2024 Jul 21.43803 +/- 0.0692 TT = 10:30:45 (JD 2460512.93803)
Epoch 2024 Sep  9.0 TT = JDT 2460562.5   Earth MOID: 0.0164   Ve: 0.0046
M  15.02999853 +/- 0.19             Me: 0.0266   Ma: 0.0748      AutoNEOCP
n   0.30325667 +/- 0.00354          Peri.  253.70987 +/- 0.020
a   2.19413059 +/- 0.0171           Node   329.47447 +/- 0.011
e   0.8536157 +/- 0.0015            Incl.    4.35323 +/- 0.011
P   3.25008                H 24.94  G  0.15   U  9.0
q 0.32118625 +/- 0.000782    Q 4.06707493 +/- 0.035       (J2000 ecliptic)
From 23 observations 2024 Sept. 7-9 (45.4 hr); mean residual 0".36
Residuals in arcseconds: 
240907 F52  .64+  .50+    240907 106  .31+  .06+    240908 807  .15+  .02+    
240907 F52  .00   .03-    240907 106  .92-  .71-    240908 807  .21+  .19+    
240907 F52  .33-  .28-    240907 106  .88+  .27+    240908 I52  .08+  .48-    
240907 F52  .09-  .13-    240907 106  .46+  .69+    240908 I52  .37+  .40+    
240907 F52  .22-  .16-    240907 I93  .17-  .02+    240908 I52  .42+  .05+    
240907 033  .42-  .12+    240907 I93  .74-  .02+    240909 673  .02-  .30-    
240907 033  .02-  .06+    240907 I93  .11-  .23-    240909 673  .11-  .20+    
240907 033  .20+  .09+    240908 807  .55-  .03+    

Ephemerides (geocentric):
Date (UTC) HH   RA             Dec           delta  r     elong  mag " sig PA
---- --------  ------------   ------------  ------ ------ -----  --- --------
2024 09 09 10  22 52 30.147   +05 30 48.86  .12656 1.1314 168.3 21.4 .072 174
2024 09 09 11  22 52 11.680   +05 26 19.57  .12723 1.1320 168.3 21.4 .072 175
2024 09 09 12  22 51 53.413   +05 21 53.02  .12789 1.1327 168.3 21.4 .072 176
2024 09 09 13  22 51 35.341   +05 17 29.17  .12856 1.1333 168.4 21.4 .072 176
2024 09 09 14  22 51 17.463   +05 13 07.97  .12923 1.1340 168.4 21.4 .072 177
2024 09 09 15  22 50 59.774   +05 08 49.39  .12990 1.1347 168.4 21.4 .073 178
2024 09 09 16  22 50 42.273   +05 04 33.39  .13057 1.1353 168.5 21.4 .073 178
2024 09 09 17  22 50 24.955   +05 00 19.94  .13124 1.1360 168.5 21.5 .073 179
2024 09 09 18  22 50 07.820   +04 56 09.00  .13191 1.1366 168.5 21.5 .073   0
2024 09 09 19  22 49 50.863   +04 52 00.53  .13259 1.1373 168.5 21.5 .073   0
2024 09 09 20  22 49 34.083   +04 47 54.50  .13326 1.1379 168.5 21.5 .073   1
2024 09 09 21  22 49 17.476   +04 43 50.88  .13393 1.1386 168.6 21.5 .074   2
2024 09 09 22  22 49 01.041   +04 39 49.63  .13460 1.1393 168.6 21.5 .074   3
2024 09 09 23  22 48 44.774   +04 35 50.71  .13528 1.1399 168.6 21.5 .074   4
2024 09 10 00  22 48 28.673   +04 31 54.11  .13595 1.1406 168.6 21.5 .074   4
2024 09 10 01  22 48 12.736   +04 27 59.78  .13662 1.1412 168.6 21.6 .075   5
2024 09 10 02  22 47 56.961   +04 24 07.70  .13730 1.1419 168.6 21.6 .075   6
2024 09 10 03  22 47 41.345   +04 20 17.83  .13798 1.1425 168.6 21.6 .075   7
2024 09 10 04  22 47 25.885   +04 16 30.15  .13865 1.1432 168.6 21.6 .075   8
2024 09 10 05  22 47 10.580   +04 12 44.61  .13933 1.1439 168.6 21.6 .076   9
2024 09 10 06  22 46 55.428   +04 09 01.21  .14000 1.1445 168.6 21.6 .076   9
2024 09 10 07  22 46 40.426   +04 05 19.90  .14068 1.1452 168.6 21.6 .076  10
2024 09 10 08  22 46 25.572   +04 01 40.66  .14136 1.1458 168.6 21.6 .077  11
2024 09 10 09  22 46 10.864   +03 58 03.46  .14204 1.1465 168.6 21.6 .077  12
2024 09 10 10  22 45 56.301   +03 54 28.28  .14272 1.1471 168.6 21.7 .077  13
2024 09 10 11  22 45 41.879   +03 50 55.08  .14339 1.1478 168.6 21.7 .078  14
2024 09 10 12  22 45 27.598   +03 47 23.85  .14407 1.1484 168.6 21.7 .078  15
2024 09 10 13  22 45 13.455   +03 43 54.55  .14475 1.1491 168.6 21.7 .079  16
2024 09 10 14  22 44 59.449   +03 40 27.16  .14543 1.1498 168.6 21.7 .079  17
2024 09 10 15  22 44 45.577   +03 37 01.66  .14611 1.1504 168.6 21.7 .080  18
2024 09 10 16  22 44 31.838   +03 33 38.02  .14680 1.1511 168.6 21.7 .080  19
2024 09 10 17  22 44 18.229   +03 30 16.21  .14748 1.1517 168.5 21.7 .081  20
2024 09 10 18  22 44 04.750   +03 26 56.22  .14816 1.1524 168.5 21.7 .081  21
2024 09 10 19  22 43 51.399   +03 23 38.01  .14884 1.1530 168.5 21.8 .082  22
2024 09 10 20  22 43 38.173   +03 20 21.58  .14952 1.1537 168.5 21.8 .082  23
2024 09 10 21  22 43 25.072   +03 17 06.88  .15021 1.1543 168.5 21.8 .083  24
2024 09 10 22  22 43 12.092   +03 13 53.91  .15089 1.1550 168.5 21.8 .084  25
2024 09 10 23  22 42 59.234   +03 10 42.65  .15157 1.1556 168.4 21.8 .084  25
2024 09 11 00  22 42 46.496   +03 07 33.05  .15226 1.1563 168.4 21.8 .085  26
2024 09 11 01  22 42 33.875   +03 04 25.12  .15294 1.1569 168.4 21.8 .086  27
2024 09 11 02  22 42 21.370   +03 01 18.82  .15363 1.1576 168.4 21.8 .087  28
2024 09 11 03  22 42 08.980   +02 58 14.14  .15431 1.1582 168.3 21.9 .088  29
2024 09 11 04  22 41 56.703   +02 55 11.06  .15500 1.1589 168.3 21.9 .089  30
2024 09 11 05  22 41 44.539   +02 52 09.55  .15568 1.1595 168.3 21.9 .089  31
2024 09 11 06  22 41 32.484   +02 49 09.60  .15637 1.1602 168.3 21.9 .090  32
2024 09 11 07  22 41 20.539   +02 46 11.19  .15706 1.1609 168.2 21.9 .091  33
2024 09 11 08  22 41 08.701   +02 43 14.30  .15774 1.1615 168.2 21.9 .092  34
2024 09 11 09  22 40 56.970   +02 40 18.91  .15843 1.1622 168.2 21.9 .093  35