152770 (1999 RR28)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6543120088 ± 9.28e-09
Semi-major axis (a)1.8784194769 AU ± 3.83e-10
Inclination (i)7.14320299° ± 4.53e-06
Long. of Asc. Node (Ω)178.13518430° ± 8.20e-06
Arg. of Perihelion (ω)284.60698754° ± 7.23e-06
Mean Anomaly (M)25.02608632° ± 1.23e-06
Mean Motion (n)0.3828453725°/day ± 1.17e-10
Perihelion dist (q)0.64934706 AU ± 1.74e-08
Aphelion dist (Q)3.10749190 AU ± 1.74e-08
Orbital Period2.57447616 yr ± 7.87e-10
Physical Parameters
H (abs. magnitude)18.41
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.465″
Uncertainty0
Orbit TypeApollo
MOID0.016634 AU
Observations Used687
Radar Obs Used7
Oppositions11
Arc Total1987-2023
First Observation Used1987-04-20
Last Observation Used2023-06-08
Observations (722)
Date Type RA Dec Mag Band Observatory
1999-10-15 02:52:33 C 21 00 35.18 -18 20 19.6 19.4 a 704
1999-10-15 03:15:36 C 21 00 32.73 -18 20 43.0 19.2 a 704
1999-10-15 03:38:40 C 21 00 30.41 -18 21 07.5 19.1 a 704
1999-10-15 12:11:57 C 20 59 40.04 -18 29 36.3 413
1999-10-15 12:14:24 C 20 59 39.79 -18 29 38.7 413
1999-10-16 11:07:35 C 20 57 28.10 -18 53 14.0 413
1999-10-16 11:10:20 C 20 57 27.83 -18 53 16.8 413
1999-11-02 10:48:05 C 20 22 04.22 -25 36 12.0 413
1999-11-02 10:50:08 C 20 22 04.06 -25 36 14.0 413
1999-11-04 10:36:54 C 20 17 56.02 -26 23 44.9 413
1999-11-04 10:39:12 C 20 17 55.80 -26 23 47.3 413
2000-02-07 17:29:23 C 16 39 16.14 -20 52 22.7 413
2000-02-07 17:33:45 C 16 39 16.37 -20 52 21.3 413
2000-02-07 17:38:10 C 16 39 16.68 -20 52 19.7 413
2000-02-08 17:52:33 C 16 40 48.97 -20 45 46.1 413
2004-08-08 21:46:07 C 21 31 50.08 -06 05 21.8 c 246
2004-08-08 21:47:57 C 21 31 49.95 -06 05 22.4 c 246
2004-08-08 21:50:28 C 21 31 49.78 -06 05 22.7 c 246
2005-03-28 21:17:01 C 05 40 20.66 +36 52 22.1 c A69
2005-03-28 21:32:49 C 05 40 56.71 +36 54 23.1 c A69
2005-03-29 21:39:39 C 06 39 26.08 +39 20 24.9 c A69
2005-03-29 21:41:09 C 06 39 29.89 +39 20 34.5 c A69
2005-03-29 21:42:52 C 06 39 34.09 +39 20 39.5 c A69
2005-03-29 21:44:34 C 06 39 38.30 +39 20 45.5 c A69
2005-03-29 21:54:21 C 06 40 02.76 +39 21 20.4 c A69
2005-03-29 21:57:11 C 06 40 09.87 +39 21 29.4 c A69
2005-03-29 22:03:45 C 06 40 26.23 +39 21 52.1 c A69
2005-03-29 22:06:18 C 06 40 32.61 +39 22 01.0 c A69
2005-03-31 11:28:26 C 08 11 03.66 +39 21 48.1 r 379
2005-03-31 11:29:35 C 08 11 06.22 +39 21 44.0 r 379
2005-03-31 11:30:44 C 08 11 08.70 +39 21 40.6 r 379
2005-03-31 11:33:01 C 08 11 13.69 +39 21 32.9 r 379
2005-03-31 11:34:10 C 08 11 16.11 +39 21 28.5 r 379
2005-03-31 11:38:47 C 08 11 26.16 +39 21 13.6 r 379
2005-03-31 11:48:01 C 08 11 46.27 +39 20 42.1 r 379
2005-03-31 18:50:52 C 08 27 00.47 +38 53 19.2 c 113
2005-03-31 18:52:50 C 08 27 04.51 +38 53 11.0 c 113
2005-03-31 18:54:08 C 08 27 07.21 +38 53 05.5 c 113
2005-03-31 18:54:12 C 08 27 07.27 +38 53 04.1 d 639
2005-03-31 18:54:47 C 08 27 08.54 +38 53 02.7 c 113
2005-03-31 18:55:26 C 08 27 09.90 +38 52 59.8 c 113
2005-03-31 18:59:06 C 08 27 17.41 +38 52 43.3 d 639
2005-03-31 19:00:20 C 08 27 19.96 +38 52 39.1 c 113
2005-03-31 19:00:59 C 08 27 21.30 +38 52 36.4 c 113
2005-03-31 19:01:38 C 08 27 22.65 +38 52 33.5 c 113
2005-03-31 19:02:17 C 08 27 23.98 +38 52 30.7 c 113
2005-03-31 19:02:56 C 08 27 25.32 +38 52 27.9 c 113
2005-03-31 19:05:28 C 08 27 30.47 +38 52 15.9 d 639
2005-03-31 19:12:10 C 08 27 44.29 +38 51 47.3 d 639
2005-03-31 19:20:15 C 08 28 00.93 +38 51 12.5 d 639
Radar Observations (7)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2005-03-25 19:10:00 200773.9519 0.5 Hz 2380 -1 -1
2005-03-25 21:05:00 71800794.96 0.5 us 2380 -1 -1
2005-03-26 20:09:00 65526582.83 0.5 us 2380 -1 -1
2005-03-27 20:22:00 60493814.96 0.5 us 2380 -1 -1
2005-03-30 00:20:00 56796660.51 0.5 us 8560 -14 -14
2005-04-01 07:00:00 64281421.8 1 us 8560 -14 -14
2005-04-03 08:00:00 78333960 1 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)