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
2005-03-31 19:28:09 C 08 28 17.09 +38 50 38.6 d 639
2005-03-31 19:38:24 C 08 28 38.11 +38 49 53.9 d 639
2005-03-31 19:43:09 C 08 28 47.86 +38 49 33.2 d 639
2005-03-31 19:53:13 C 08 29 08.44 +38 48 49.1 d 639
2005-03-31 19:59:09 C 08 29 20.59 +38 48 22.8 d 639
2005-03-31 20:04:16 C 08 29 30.99 +38 48 00.2 d 639
2005-03-31 20:11:30 C 08 29 45.81 +38 47 28.1 d 639
2005-03-31 22:07:45 C 08 33 42.14 +38 38 27.2 o A32
2005-03-31 22:08:44 C 08 33 44.17 +38 38 22.5 o A32
2005-03-31 22:09:44 C 08 33 46.16 +38 38 17.7 o A32
2005-03-31 22:10:43 C 08 33 48.18 +38 38 12.8 o A32
2005-03-31 22:11:43 C 08 33 50.17 +38 38 08.3 o A32
2005-04-01 18:59:02 C 09 12 27.80 +36 45 31.3 o 151
2005-04-01 19:00:14 C 09 12 29.79 +36 45 23.9 o 151
2005-04-01 19:01:14 C 09 12 30.73 +36 45 10.6 d 639
2005-04-01 19:01:28 C 09 12 31.78 +36 45 16.5 o 151
2005-04-01 19:02:40 C 09 12 33.79 +36 45 09.0 o 151
2005-04-01 19:03:55 C 09 12 35.78 +36 45 01.8 o 151
2005-04-01 19:11:27 C 09 12 47.44 +36 44 08.9 d 639
2005-04-01 19:21:26 C 09 13 03.85 +36 43 09.0 d 639
2005-04-01 19:26:34 C 09 13 12.95 +36 42 37.8 c 127
2005-04-01 19:28:39 C 09 13 16.38 +36 42 25.0 c 127
2005-04-01 19:30:42 C 09 13 19.70 +36 42 12.8 c 127
2005-04-01 19:32:20 C 09 13 21.66 +36 42 02.5 d 639
2005-04-01 19:32:51 C 09 13 23.24 +36 41 59.5 c 127
2005-04-01 19:42:15 C 09 13 37.78 +36 41 02.1 d 639
2005-04-01 19:48:02 C 09 13 47.24 +36 40 26.2 d 639
2005-04-01 19:51:41 C 09 13 53.15 +36 40 04.0 d 639
2005-04-01 20:01:33 C 09 14 09.17 +36 39 03.6 d 639
2005-04-01 20:13:03 C 09 14 27.79 +36 37 53.0 d 639
2005-04-01 23:15:21 C 09 19 19.99 +36 18 45.1 o A32
2005-04-01 23:16:22 C 09 19 21.56 +36 18 38.7 o A32
2005-04-01 23:17:21 C 09 19 23.16 +36 18 32.4 o A32
2005-04-01 23:18:22 C 09 19 24.70 +36 18 26.2 o A32
2005-04-01 23:19:21 C 09 19 26.30 +36 18 19.9 o A32
2005-04-01 23:26:25 C 09 19 36.23 +36 17 54.7 c A69
2005-04-01 23:27:47 C 09 19 38.22 +36 17 45.7 c A69
2005-04-01 23:29:07 C 09 19 40.64 +36 17 35.6 c A69
2005-04-01 23:30:51 C 09 19 43.45 +36 17 26.8 c A69
2005-04-01 23:32:53 C 09 19 47.00 +36 17 11.3 c A69
2005-04-01 23:49:35 C 09 20 12.57 +36 15 24.6 c A69
2005-04-01 23:51:37 C 09 20 15.79 +36 15 11.2 c A69
2005-04-01 23:53:52 C 09 20 19.37 +36 14 57.2 c A69
2005-04-01 23:55:58 C 09 20 22.72 +36 14 44.0 c A69
2005-04-01 23:58:24 C 09 20 26.55 +36 14 28.2 c A69
2005-04-02 00:00:39 C 09 20 30.05 +36 14 12.9 c A69
2005-04-02 00:02:16 C 09 20 32.62 +36 14 02.8 c A69
2005-04-02 00:03:50 C 09 20 35.06 +36 13 53.0 c A69
2005-04-02 00:05:01 C 09 20 37.09 +36 13 43.1 c A69
2005-04-02 00:07:29 C 09 20 40.72 +36 13 28.2 c A69
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)