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
2005-04-02 00:08:36 C 09 20 42.51 +36 13 22.4 c A69
2005-04-02 00:09:48 C 09 20 44.42 +36 13 14.2 c A69
2005-04-02 02:29:26 C 09 24 30.49 +35 58 59.9 i 726
2005-04-02 02:34:24 C 09 24 37.96 +35 58 28.8 i 726
2005-04-02 02:38:23 C 09 24 44.01 +35 58 03.7 i 726
2005-04-02 02:42:22 C 09 24 50.00 +35 57 38.6 i 726
2005-04-02 02:46:20 C 09 24 56.02 +35 57 13.6 i 726
2005-04-02 02:50:20 C 09 25 02.03 +35 56 48.3 i 726
2005-04-02 02:53:05 C 09 25 06.18 +35 56 30.9 i 726
2005-04-02 02:57:03 C 09 25 12.17 +35 56 05.5 i 726
2005-04-02 03:01:03 C 09 25 18.21 +35 55 40.5 i 726
2005-04-02 03:05:01 C 09 25 24.15 +35 55 15.1 i 726
2005-04-02 03:09:00 C 09 25 30.05 +35 54 50.3 i 726
2005-04-02 03:12:59 C 09 25 36.10 +35 54 24.8 i 726
2005-04-02 03:21:29 C 09 25 48.91 +35 53 30.4 i 726
2005-04-02 18:49:40 C 09 47 39.75 +34 13 42.9 c 113
2005-04-02 18:50:19 C 09 47 40.56 +34 13 38.7 c 113
2005-04-02 18:50:58 C 09 47 41.41 +34 13 34.7 c 113
2005-04-02 18:51:38 C 09 47 42.21 +34 13 30.2 c 113
2005-04-02 18:52:17 C 09 47 43.06 +34 13 26.1 c 113
2005-04-02 18:52:56 C 09 47 43.89 +34 13 22.0 c 113
2005-04-02 18:53:35 C 09 47 44.71 +34 13 17.9 c 113
2005-04-02 18:54:14 C 09 47 45.55 +34 13 13.2 c 113
2005-04-02 18:54:53 C 09 47 46.37 +34 13 09.4 c 113
2005-04-02 18:55:32 C 09 47 47.17 +34 13 05.0 c 113
2005-04-02 18:56:11 C 09 47 48.01 +34 13 01.0 c 113
2005-04-02 18:56:51 C 09 47 48.84 +34 12 56.9 c 113
2005-04-02 18:57:30 C 09 47 49.67 +34 12 52.7 c 113
2005-04-02 18:58:09 C 09 47 50.48 +34 12 48.4 c 113
2005-04-02 18:58:48 C 09 47 51.31 +34 12 44.4 c 113
2005-04-02 18:59:27 C 09 47 52.13 +34 12 40.0 c 113
2005-04-02 19:00:06 C 09 47 52.97 +34 12 35.5 c 113
2005-04-02 19:00:46 C 09 47 53.80 +34 12 31.7 c 113
2005-04-02 19:01:25 C 09 47 54.63 +34 12 27.3 c 113
2005-04-02 19:02:04 C 09 47 55.45 +34 12 23.2 c 113
2005-04-02 19:08:34 C 09 48 04.22 +34 11 46.7 o 151
2005-04-02 19:09:48 C 09 48 05.76 +34 11 39.0 o 151
2005-04-02 19:11:02 C 09 48 07.34 +34 11 31.1 o 151
2005-04-02 19:12:17 C 09 48 08.90 +34 11 22.9 o 151
2005-04-02 19:13:30 C 09 48 10.44 +34 11 15.1 o 151
2005-04-02 19:20:09 C 09 48 18.85 +34 10 32.3 o 151
2005-04-02 19:21:25 C 09 48 20.43 +34 10 24.3 o 151
2005-04-02 19:22:40 C 09 48 21.99 +34 10 16.4 o 151
2005-04-02 19:23:53 C 09 48 23.56 +34 10 08.4 o 151
2005-04-02 19:25:02 C 09 48 25.13 +34 10 00.4 o 151
2005-04-02 19:26:22 C 09 48 26.79 +34 09 51.7 o 151
2005-04-02 19:27:42 C 09 48 28.36 +34 09 43.9 o 151
2005-04-02 19:28:14 C 09 48 29.14 +34 09 33.6 c 127
2005-04-02 19:28:56 C 09 48 29.91 +34 09 35.7 o 151
2005-04-02 19:30:01 C 09 48 31.46 +34 09 27.8 o 151
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)