"Pseudo-MPEC" for P21ZRfD

Created 2024 Oct 3 10:22:20 UT using Find_Orb

Click here for an explanation of pseudo-MPECs

 
 Astrometry: 
     P21ZRfD* C2024 10 01.52980604 16 59.311+11 00 11.86   ~A1Eb 21.21wXNEOCPF52
     P21ZRfD  C2024 10 01.54183704 17 07.281+11 03 14.62   ~A1Eb 20.89wXNEOCPF52
     P21ZRfD  C2024 10 01.55384504 17 15.191+11 06 16.29   ~A1Eb 20.83wXNEOCPF52
     P21ZRfD  C2024 10 01.63085404 18 06.456+11 25 50.16   ~A1MM 20.74GVNEOCPF51
     P21ZRfD  C2024 10 01.63149504 18 06.923+11 26 01.00   ~A1MM 20.52GVNEOCPF51
     P21ZRfD  C2024 10 01.63278204 18 07.763+11 26 19.93   ~A1MM 20.90GVNEOCPF51
     P21ZRfD KC2024 10 02.38513404 27 57.175+14 52 53.04   ~A29q 21.31GVNEOCPI52
     P21ZRfD KC2024 10 02.38687904 27 58.568+14 53 24.00   ~A29q 21.06GVNEOCPI52
     P21ZRfD KC2024 10 02.38861604 27 59.947+14 53 54.35   ~A29q 20.89GVNEOCPI52
     P21ZRfD  C2024 10 02.52538204 29 57.506+15 35 08.75   ~A2Kq 20.70GVNEOCPF52
     P21ZRfD  C2024 10 02.52621604 29 58.174+15 35 23.05   ~A2Kq 21.21GVNEOCPF52
     P21ZRfD KC2024 10 03.32780904 42 52.02 +19 55 21.8    ~A38b       VNEOCPH21
     P21ZRfD KC2024 10 03.33060504 42 54.90 +19 56 20.7    ~A38b       VNEOCPH21
     P21ZRfD KC2024 10 03.33340204 42 57.78 +19 57 19.5    ~A38b       VNEOCPH21
     P21ZRfD KC2024 10 03.33619804 43 00.65 +19 58 17.9    ~A38b       VNEOCPH21

Station data:
(F51) Pan-STARRS 1, Haleakala  (N20.707234 W156.255910)  US/Hawaii.
   Observers J. Bulger, 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.
(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.
(H21) Astronomical Research Observatory, Westfield  (N39.483054 W87.968270)
   US/Illinois.  Observer R. Holmes. Measurers S. Foglia, L. Buzzi, T.
   Linder, R. Holmes. 0.76-m f/3.0 astrograph + CCD0.81-m f/4.0 astrograph +
   CCD0.61-m f/4.5 astrograph + CCD0.40-m f/5.32 astrograph + 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.

Orbital elements:  P21ZRfD
   Perihelion 2024 Dec 5.35144 +/- 0.119 TT =  8:26:04 (JD 2460649.85144)
Epoch 2024 Oct  3.0 TT = JDT 2460586.5   Earth MOID: 0.0220      AutoNEOCP
M 313.71511940 +/- 0.26             (J2000 ecliptic)
n   0.73060506 +/- 0.00289          Peri.   97.49122 +/- 0.10
a   1.22090234 +/- 0.00322          Node    14.06544 +/- 0.011
e   0.4514945 +/- 0.00165           Incl.   24.11326 +/- 0.08
P   1.349/492.733d         H 24.49  G  0.15   U  8.8
q 0.66967164 +/- 0.000267    Q 1.77213305 +/- 0.00668
From 15 observations 2024 Oct. 1-3 (43.4 hr); mean residual 0".28
Residuals in arcseconds: 
241001 F52  .33-  .47-    241001 F51  .06-  .13-    241002 F52  .24-  .47-    
241001 F52  .24+  .29+    241002 I52  .51+  .08+    241003 H21  .06-  .06-    
241001 F52  .00   .00     241002 I52  .23+  .06+    241003 H21  .01+  .14+    
241001 F51  .20-  .34-    241002 I52  .16-  .43-    241003 H21  .05+  .19+    
241001 F51  .33+  .67+    241002 F52  .13+  .42+    241003 H21  .05-  .16-    

Ephemerides (geocentric):
Date (UTC) HH   RA             Dec           delta  r     elong  mag " sig PA
---- --------  ------------   ------------  ------ ------ -----  --- --------
2024 10 03 10  04 44 24.479   +20 27 16.94  .07039 1.0355 118.0 20.9 .270 134
2024 10 03 11  04 45 10.118   +20 42 03.53  .07012 1.0351 117.8 20.9 .278 136
2024 10 03 12  04 45 56.252   +20 56 56.24  .06984 1.0348 117.7 20.9 .286 137
2024 10 03 13  04 46 42.890   +21 11 55.07  .06958 1.0345 117.5 20.9 .294 138
2024 10 03 14  04 47 30.038   +21 27 00.03  .06931 1.0342 117.3 20.9 .303 140
2024 10 03 15  04 48 17.704   +21 42 11.09  .06904 1.0338 117.2 20.9 .312 141
2024 10 03 16  04 49 05.896   +21 57 28.27  .06878 1.0335 117.0 20.9 .322 142
2024 10 03 17  04 49 54.621   +22 12 51.54  .06852 1.0332 116.8 20.9 .331 144
2024 10 03 18  04 50 43.887   +22 28 20.89  .06826 1.0329 116.6 20.9 .341 145
2024 10 03 19  04 51 33.703   +22 43 56.31  .06801 1.0325 116.5 20.9 .352 146
2024 10 03 20  04 52 24.076   +22 59 37.79  .06775 1.0322 116.3 20.9 .363 148
2024 10 03 21  04 53 15.015   +23 15 25.30  .06750 1.0319 116.1 20.9 .374 149
2024 10 03 22  04 54 06.528   +23 31 18.82  .06725 1.0316 115.9 20.9 .386 150
2024 10 03 23  04 54 58.624   +23 47 18.33  .06700 1.0312 115.7 20.9 .398 152
2024 10 04 00  04 55 51.311   +24 03 23.79  .06676 1.0309 115.5 20.9 .411 153
2024 10 04 01  04 56 44.599   +24 19 35.18  .06651 1.0306 115.3 20.9 .424 154
2024 10 04 02  04 57 38.495   +24 35 52.47  .06627 1.0302 115.1 20.9 .438 156
2024 10 04 03  04 58 33.010   +24 52 15.60  .06604 1.0299 114.9 20.9 .453 157
2024 10 04 04  04 59 28.153   +25 08 44.56  .06580 1.0296 114.7 20.9 .467 158
2024 10 04 05  05 00 23.932   +25 25 19.28  .06557 1.0293 114.5 20.9 .483 159
2024 10 04 06  05 01 20.357   +25 41 59.73  .06533 1.0289 114.3 20.9 .499 161
2024 10 04 07  05 02 17.438   +25 58 45.85  .06511 1.0286 114.1 20.8 .515 162
2024 10 04 08  05 03 15.185   +26 15 37.59  .06488 1.0283 113.9 20.8 .533 163
2024 10 04 09  05 04 13.608   +26 32 34.89  .06466 1.0280 113.7 20.8 .550 164
2024 10 04 10  05 05 12.716   +26 49 37.69  .06443 1.0276 113.5 20.8 .569 165
2024 10 04 11  05 06 12.520   +27 06 45.93  .06422 1.0273 113.3 20.8 .588 167
2024 10 04 12  05 07 13.029   +27 23 59.53  .06400 1.0270 113.1 20.8 .608 168
2024 10 04 13  05 08 14.256   +27 41 18.42  .06379 1.0267 112.8 20.8 .628 169
2024 10 04 14  05 09 16.210   +27 58 42.52  .06358 1.0263 112.6 20.8 .649 170
2024 10 04 15  05 10 18.901   +28 16 11.76  .06337 1.0260 112.4 20.8 .671 171
2024 10 04 16  05 11 22.342   +28 33 46.04  .06316 1.0257 112.2 20.8 .694 172
2024 10 04 17  05 12 26.542   +28 51 25.28  .06296 1.0254 111.9 20.8 .717 173
2024 10 04 18  05 13 31.513   +29 09 09.37  .06276 1.0250 111.7 20.8 .741 174
2024 10 04 19  05 14 37.267   +29 26 58.23  .06256 1.0247 111.5 20.8 .765 175
2024 10 04 20  05 15 43.814   +29 44 51.75  .06237 1.0244 111.3 20.8 .791 176
2024 10 04 21  05 16 51.166   +30 02 49.81  .06217 1.0241 111.0 20.8 .817 177
2024 10 04 22  05 17 59.336   +30 20 52.31  .06199 1.0237 110.8 20.8 .844 178
2024 10 04 23  05 19 08.334   +30 38 59.13  .06180 1.0234 110.5 20.8 .871 179
2024 10 05 00  05 20 18.173   +30 57 10.14  .06162 1.0231 110.3 20.8 .900   0
2024 10 05 01  05 21 28.865   +31 15 25.22  .06144 1.0228 110.0 20.8 .929   1
2024 10 05 02  05 22 40.422   +31 33 44.23  .06126 1.0224 109.8 20.8 .959   2
2024 10 05 03  05 23 52.857   +31 52 07.03  .06108 1.0221 109.5 20.8 .989   3
2024 10 05 04  05 25 06.181   +32 10 33.48  .06091 1.0218 109.3 20.8 1.02   4
2024 10 05 05  05 26 20.407   +32 29 03.44  .06074 1.0214 109.0 20.8 1.05   4
2024 10 05 06  05 27 35.549   +32 47 36.74  .06058 1.0211 108.8 20.8 1.09   5
2024 10 05 07  05 28 51.618   +33 06 13.23  .06041 1.0208 108.5 20.8 1.12   6
2024 10 05 08  05 30 08.628   +33 24 52.75  .06025 1.0205 108.3 20.8 1.15   7
2024 10 05 09  05 31 26.592   +33 43 35.12  .06010 1.0201 108.0 20.9 1.19   8