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 19:30:17 C 09 48 31.69 +34 09 20.4 c 127
2005-04-02 19:32:57 C 09 48 35.09 +34 09 03.1 c 127
2005-04-02 19:33:17 C 09 48 35.40 +34 09 07.9 o 151
2005-04-02 19:34:32 C 09 48 36.95 +34 09 00.0 o 151
2005-04-02 19:35:12 C 09 48 37.91 +34 08 48.6 c 127
2005-04-02 19:35:45 C 09 48 38.48 +34 08 52.1 o 151
2005-04-02 19:36:59 C 09 48 40.07 +34 08 43.9 o 151
2005-04-02 19:37:24 C 09 48 40.68 +34 08 34.4 c 127
2005-04-02 19:38:15 C 09 48 41.61 +34 08 36.2 o 151
2005-04-02 19:39:23 C 09 48 43.02 +34 08 28.6 o 151
2005-04-02 22:25:35 C 09 52 08.41 +33 50 33.7 d A56
2005-04-02 22:34:00 C 09 52 18.67 +33 49 38.7 d A56
2005-04-02 22:49:40 C 09 52 37.77 +33 47 55.6 d A56
2005-04-03 00:07:31 C 09 54 13.01 +33 39 06.2 o A32
2005-04-03 00:09:31 C 09 54 15.43 +33 38 53.2 o A32
2005-04-03 00:10:31 C 09 54 16.63 +33 38 46.6 o A32
2005-04-03 00:11:32 C 09 54 17.85 +33 38 40.0 o A32
2005-04-03 00:12:31 C 09 54 19.06 +33 38 33.5 o A32
2005-04-03 00:50:57 C 09 55 04.53 +33 34 33.7 o 204
2005-04-03 00:52:22 C 09 55 06.21 +33 34 24.5 o 204
2005-04-03 00:53:46 C 09 55 07.89 +33 34 15.3 o 204
2005-04-03 00:55:09 C 09 55 09.56 +33 34 05.9 o 204
2005-04-03 00:56:32 C 09 55 11.23 +33 33 56.8 o 204
2005-04-03 19:10:07 C 10 15 21.86 +31 39 12.4 r 151
2005-04-03 19:11:22 C 10 15 23.06 +31 39 04.8 r 151
2005-04-03 19:12:37 C 10 15 24.27 +31 38 57.4 r 151
2005-04-03 19:13:50 C 10 15 25.46 +31 38 49.7 r 151
2005-04-03 19:15:58 C 10 15 27.54 +31 38 36.9 r 151
2005-04-03 19:18:06 C 10 15 29.61 +31 38 24.0 r 151
2005-04-03 19:19:19 C 10 15 30.81 +31 38 16.4 r 151
2005-04-03 19:20:34 C 10 15 32.01 +31 38 09.0 r 151
2005-04-03 19:21:49 C 10 15 33.22 +31 38 01.4 r 151
2005-04-03 19:22:27 C 10 15 33.83 +31 37 57.5 r 151
2005-04-03 19:23:06 C 10 15 34.47 +31 37 53.5 r 151
2005-04-03 19:24:19 C 10 15 35.67 +31 37 46.1 r 151
2005-04-03 19:25:34 C 10 15 36.87 +31 37 38.5 r 151
2005-04-03 19:26:49 C 10 15 38.06 +31 37 31.0 r 151
2005-04-03 19:58:47 C 10 16 08.49 +31 34 14.8 c 046
2005-04-03 20:01:13 C 10 16 10.82 +31 33 59.9 c 046
2005-04-03 20:02:40 C 10 16 12.20 +31 33 51.1 c 046
2005-04-03 20:04:09 C 10 16 13.66 +31 33 42.0 c 046
2005-04-03 20:04:53 C 10 16 14.35 +31 33 37.7 c 046
2005-04-03 20:10:59 C 10 16 20.68 +31 33 00.2 r 240
2005-04-03 20:11:47 C 10 16 21.46 +31 32 55.3 r 240
2005-04-03 20:13:22 C 10 16 22.98 +31 32 45.8 r 240
2005-04-03 20:14:09 C 10 16 23.74 +31 32 40.8 r 240
2005-04-03 20:14:57 C 10 16 24.50 +31 32 36.0 r 240
2005-04-03 20:15:44 C 10 16 25.26 +31 32 31.2 r 240
2005-04-03 20:17:19 C 10 16 26.80 +31 32 21.5 r 240
2005-04-03 20:18:06 C 10 16 27.53 +31 32 16.7 r 240
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)