"Pseudo-MPEC" for P21Ddgn
Created 2023 Jan 29 13:22:24 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
P21Ddgn* C2023 01 23b@oNrc1fayaWonN2g/-hkBe2h)LeMX+B,#,imAstrometryqlTN;F52
P21Ddgn C2023 01 23#'je421VwwyIoFvMQ?4/K,x#DMQ9*-ANLU`]f7Z?q*4=;Iy)XJ50F52
P21Ddgn C2023 01 23C8/JCHTPC\WSv:s3O8^Y9u%m%7=:G:S0dv3r'VT^/*R\='tV:TX.F52
P21Ddgn C2023 01 23P7!Uredacted;NroO3H`QysJOX9cpuZRJ6F$HTT_//g(%=;'#lZvF52
P21Ddgn 3C2023 01 24p:%OXl)nL5=[ve6Q%E:l's/B!ficlick5b9PBhb`4E.aZ$#C,TH+T14
P21Ddgn 3C2023 01 24no3BX/ChereER2alb)4%jIJR0+Yh!\1-j4l8)%Z;5W`gjH3,QH1uT14
P21Ddgn 3C2023 01 24q\N[AaIBw4)gHuY+UnGjKa1o/forE;mgexplanationj#ryDYH@VT14
P21Ddgn KC2023 01 26.34260609 38 03.894+13 29 55.93 ~1Q8q 21.18GVNEOCPI52
P21Ddgn KC2023 01 26.34805809 38 02.915+13 29 56.04 ~1Q8q 21.27GVNEOCPI52
P21Ddgn KC2023 01 26.35278909 38 02.044+13 29 56.33 ~1Q8q 21.83GVNEOCPI52
P21Ddgn KC2023 01 26.35584409 38 01.482+13 29 56.65 ~1Q8q 22.20GVNEOCPI52
P21Ddgn 1C2023 01 29.08737 09 30 59.31 +13 32 03.1 ~1TAM 20.8 VXNEOCP033
P21Ddgn 1C2023 01 29.09096 09 30 58.74 +13 32 03.1 ~1TAM 20.9 VXNEOCP033
P21Ddgn 1C2023 01 29.09454 09 30 58.21 +13 32 03.4 ~1TAM 21.1 VXNEOCP033
P21Ddgn 1C2023 01 29.09828 09 30 57.62 +13 32 03.5 ~1TAM 20.6 VXNEOCP033
P21Ddgn KC2023 01 29.29116609 30 31.889+13 32 25.66 ~1T9M 21.75GVNEOCPI52
P21Ddgn KC2023 01 29.37309809 30 19.120+13 32 30.62 ~1T9M 21.44GVNEOCPI52
P21Ddgn KC2023 01 29.37696309 30 18.544+13 32 31.27 ~1T9M 21.13GVNEOCPI52
Station data:
(033) Karl Schwarzschild Observatory, Tautenburg (N50.980137 E11.711240)
Germany. Observers S. Melnikov, C. Hoegner, B. Stecklum. Measurer B.
Stecklum. 1.34-m f/3 Schmidt + 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 (N32.442544 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 reflector + CCD.
(T14) Mauna Kea-UH/Tholen NEO Follow-Up (CFHT) (N19.825252 W155.468876)
US/Hawaii. 3.6-m Canada-France-Hawaii Telescope.
Orbital elements: P21Ddgn
Perihelion 2022 Nov 25.72065 +/- 0.0222 TT = 17:17:44 (JD 2459909.22065)
Epoch 2023 Jan 29.0 TT = JDT 2459973.5 Earth MOID: 0.0179 Ma: 0.0585
M 23.74836149 +/- 0.21 (J2000 ecliptic) AutoNEOCP
n 0.36945555 +/- 0.00325 Peri. 106.60662 +/- 0.042
a 1.92351060 +/- 0.0113 Node 306.29376 +/- 0.014
e 0.5524560 +/- 0.00296 Incl. 2.58740 +/- 0.013
P 2.67/974.39d H 23.79 G 0.15 U 8.9
q 0.86085552 +/- 0.000633 Q 2.98616567 +/- 0.0232
From 18 observations 2023 Jan. 23-29; mean residual 0".13
Residuals in arcseconds: 230123 F52 .03- .03+ 230124 T14 .03- .00 230129 033 .02- .14- 230123 F52 .05- .13+ 230126 I52 .05- .05+ 230129 033 .23+ .04+ 230123 F52 .17+ .04+ 230126 I52 .15+ .12- 230129 033 .05- .01+ 230123 F52 .01- .02+ 230126 I52 .01+ .08- 230129 I52 .29- .19- 230124 T14 .02+ .00 230126 I52 .08- .09+ 230129 I52 .22- .06- 230124 T14 .01+ .00 230129 033 .29+ .01- 230129 I52 .14+ .41+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2023 01 29 13 09 29 55.824 +13 32 52.89 .21959 1.2009 168.5 21.6 .138 179 2023 01 29 14 09 29 50.005 +13 32 55.15 .21988 1.2013 168.6 21.6 .141 178 2023 01 29 15 09 29 44.198 +13 32 57.41 .22018 1.2016 168.6 21.6 .143 177 2023 01 29 16 09 29 38.405 +13 32 59.67 .22047 1.2019 168.7 21.6 .146 176 2023 01 29 17 09 29 32.625 +13 33 01.94 .22077 1.2023 168.8 21.6 .148 175 2023 01 29 18 09 29 26.857 +13 33 04.21 .22106 1.2026 168.8 21.6 .151 174 2023 01 29 19 09 29 21.103 +13 33 06.49 .22136 1.2029 168.9 21.6 .154 173 2023 01 29 20 09 29 15.361 +13 33 08.76 .22165 1.2033 169.0 21.6 .157 172 2023 01 29 21 09 29 09.632 +13 33 11.04 .22195 1.2036 169.0 21.6 .160 171 2023 01 29 22 09 29 03.915 +13 33 13.32 .22225 1.2039 169.1 21.6 .163 170 2023 01 29 23 09 28 58.212 +13 33 15.61 .22254 1.2043 169.1 21.6 .166 169 2023 01 30 00 09 28 52.521 +13 33 17.89 .22284 1.2046 169.2 21.6 .169 169 2023 01 30 01 09 28 46.843 +13 33 20.18 .22314 1.2049 169.3 21.6 .172 168 2023 01 30 02 09 28 41.177 +13 33 22.47 .22343 1.2053 169.3 21.6 .175 167 2023 01 30 03 09 28 35.524 +13 33 24.77 .22373 1.2056 169.4 21.6 .178 166 2023 01 30 04 09 28 29.884 +13 33 27.06 .22403 1.2060 169.5 21.6 .182 166 2023 01 30 05 09 28 24.256 +13 33 29.36 .22432 1.2063 169.5 21.6 .185 165 2023 01 30 06 09 28 18.640 +13 33 31.66 .22462 1.2066 169.6 21.6 .188 164 2023 01 30 07 09 28 13.038 +13 33 33.97 .22492 1.2070 169.6 21.6 .192 164 2023 01 30 08 09 28 07.447 +13 33 36.27 .22522 1.2073 169.7 21.6 .195 163 2023 01 30 09 09 28 01.870 +13 33 38.58 .22552 1.2076 169.8 21.6 .199 162 2023 01 30 10 09 27 56.304 +13 33 40.89 .22582 1.2080 169.8 21.6 .202 162 2023 01 30 11 09 27 50.751 +13 33 43.21 .22611 1.2083 169.9 21.6 .206 161 2023 01 30 12 09 27 45.211 +13 33 45.52 .22641 1.2086 170.0 21.6 .209 161 2023 01 30 13 09 27 39.682 +13 33 47.84 .22671 1.2090 170.0 21.6 .213 160 2023 01 30 14 09 27 34.166 +13 33 50.16 .22701 1.2093 170.1 21.6 .217 160 2023 01 30 15 09 27 28.663 +13 33 52.48 .22731 1.2096 170.1 21.6 .220 159 2023 01 30 16 09 27 23.172 +13 33 54.81 .22761 1.2100 170.2 21.6 .224 159 2023 01 30 17 09 27 17.692 +13 33 57.13 .22791 1.2103 170.3 21.6 .228 158 2023 01 30 18 09 27 12.226 +13 33 59.46 .22821 1.2107 170.3 21.6 .232 158 2023 01 30 19 09 27 06.771 +13 34 01.79 .22851 1.2110 170.4 21.6 .236 157 2023 01 30 20 09 27 01.329 +13 34 04.12 .22881 1.2113 170.5 21.6 .239 157 2023 01 30 21 09 26 55.898 +13 34 06.46 .22911 1.2117 170.5 21.6 .243 157 2023 01 30 22 09 26 50.480 +13 34 08.79 .22941 1.2120 170.6 21.6 .247 156 2023 01 30 23 09 26 45.074 +13 34 11.13 .22971 1.2123 170.6 21.6 .251 156 2023 01 31 00 09 26 39.680 +13 34 13.47 .23002 1.2127 170.7 21.6 .255 155 2023 01 31 01 09 26 34.298 +13 34 15.81 .23032 1.2130 170.8 21.6 .259 155 2023 01 31 02 09 26 28.929 +13 34 18.16 .23062 1.2134 170.8 21.6 .263 155 2023 01 31 03 09 26 23.571 +13 34 20.50 .23092 1.2137 170.9 21.6 .267 154 2023 01 31 04 09 26 18.225 +13 34 22.85 .23122 1.2140 170.9 21.6 .271 154 2023 01 31 05 09 26 12.891 +13 34 25.20 .23153 1.2144 171.0 21.6 .276 154 2023 01 31 06 09 26 07.569 +13 34 27.55 .23183 1.2147 171.1 21.6 .280 154 2023 01 31 07 09 26 02.259 +13 34 29.90 .23213 1.2150 171.1 21.6 .284 153 2023 01 31 08 09 25 56.961 +13 34 32.26 .23243 1.2154 171.2 21.6 .288 153 2023 01 31 09 09 25 51.675 +13 34 34.61 .23274 1.2157 171.3 21.6 .292 153 2023 01 31 10 09 25 46.401 +13 34 36.97 .23304 1.2160 171.3 21.6 .296 152 2023 01 31 11 09 25 41.138 +13 34 39.33 .23335 1.2164 171.4 21.6 .301 152 2023 01 31 12 09 25 35.887 +13 34 41.69 .23365 1.2167 171.4 21.6 .305 152