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
2005-04-03 20:18:55 C 10 16 28.30 +31 32 11.9 r 240
2005-04-03 20:19:41 C 10 16 29.06 +31 32 07.0 r 240
2005-04-04 00:29:07 C 10 20 24.36 +31 06 30.7 o A32
2005-04-04 00:30:15 C 10 20 25.40 +31 06 23.8 o A32
2005-04-04 00:31:21 C 10 20 26.43 +31 06 17.1 o A32
2005-04-04 00:32:29 C 10 20 27.48 +31 06 10.2 o A32
2005-04-04 00:33:34 C 10 20 28.54 +31 06 03.1 o A32
2005-04-04 10:40:49 C 10 29 37.33 +30 07 09.4 r 379
2005-04-04 10:41:58 C 10 29 38.24 +30 07 03.2 r 379
2005-04-04 10:48:52 C 10 29 43.95 +30 06 23.7 r 379
2005-04-04 10:50:01 C 10 29 44.90 +30 06 17.2 r 379
2005-04-04 10:51:10 C 10 29 45.81 +30 06 11.1 r 379
2005-04-04 10:53:11 C 10 29 47.47 +30 05 59.1 r 379
2005-04-04 10:54:20 C 10 29 48.41 +30 05 52.9 r 379
2005-04-04 10:57:46 C 10 29 51.23 +30 05 33.1 r 379
2005-04-04 11:01:14 C 10 29 54.04 +30 05 14.1 r 379
2005-04-04 11:03:32 C 10 29 55.91 +30 05 00.6 r 379
2005-04-04 19:14:04 C 10 36 33.04 +29 18 32.7 r 151
2005-04-04 19:15:17 C 10 36 33.99 +29 18 26.0 r 151
2005-04-04 19:16:32 C 10 36 34.94 +29 18 19.4 r 151
2005-04-04 19:17:45 C 10 36 35.86 +29 18 12.6 r 151
2005-04-04 19:20:02 C 10 36 37.58 +29 18 00.0 r 151
2005-04-04 19:21:18 C 10 36 38.54 +29 17 53.3 r 151
2005-04-04 19:22:31 C 10 36 39.47 +29 17 46.8 r 151
2005-04-04 19:23:45 C 10 36 40.40 +29 17 40.0 r 151
2005-04-04 19:25:05 C 10 36 41.40 +29 17 32.7 r 151
2005-04-04 19:26:18 C 10 36 42.32 +29 17 26.1 r 151
2005-04-04 19:27:33 C 10 36 43.27 +29 17 19.2 r 151
2005-04-04 19:28:48 C 10 36 44.19 +29 17 12.4 r 151
2005-04-04 20:29:17 C 10 37 27.95 +29 11 38.2 A50
2005-04-04 20:31:24 C 10 37 29.53 +29 11 26.5 A50
2005-04-04 20:45:20 C 10 37 41.41 +29 10 17.9 c 560
2005-04-04 20:47:11 C 10 37 42.79 +29 10 07.7 c 560
2005-04-04 20:49:04 C 10 37 44.18 +29 09 57.6 c 560
2005-04-04 22:10:31 C 10 38 43.09 +29 02 20.0 A50
2005-04-04 22:11:34 C 10 38 43.88 +29 02 14.1 A50
2005-04-04 22:13:41 C 10 38 45.36 +29 02 02.7 A50
2005-04-05 11:39:38 C 10 48 18.87 +27 51 57.5 r 379
2005-04-05 11:40:47 C 10 48 19.63 +27 51 51.6 r 379
2005-04-05 11:44:13 C 10 48 21.81 +27 51 34.1 r 379
2005-04-05 11:46:32 C 10 48 23.31 +27 51 22.0 r 379
2005-04-05 11:47:41 C 10 48 24.02 +27 51 16.7 r 379
2005-04-05 11:53:23 C 10 48 27.63 +27 50 47.5 r 379
2005-04-05 11:56:41 C 10 48 29.74 +27 50 31.3 r 379
2005-04-05 11:58:19 C 10 48 30.82 +27 50 23.1 r 379
2005-04-05 12:03:16 C 10 48 33.96 +27 49 58.1 r 379
2005-04-05 12:04:56 C 10 48 34.96 +27 49 49.5 r 379
2005-04-05 20:13:42 C 10 53 43.91 +27 09 12.6 A50
2005-04-05 20:14:45 C 10 53 44.52 +27 09 07.6 A50
2005-04-05 20:15:49 C 10 53 45.15 +27 09 02.5 A50
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)