826869 (1989 AZ)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4683556606 ± 1.22e-08
Semi-major axis (a)1.6473875255 AU ± 6.28e-10
Inclination (i)11.78935892° ± 3.89e-06
Long. of Asc. Node (Ω)295.44492399° ± 7.44e-06
Arg. of Perihelion (ω)112.03758297° ± 8.05e-06
Mean Anomaly (M)180.12157384° ± 2.53e-06
Mean Motion (n)0.4661424094°/day ± 2.66e-10
Perihelion dist (q)0.87582425 AU ± 2.01e-08
Aphelion dist (Q)2.41895080 AU ± 2.01e-08
Orbital Period2.11443169 yr ± 1.21e-09
Physical Parameters
H (abs. magnitude)19.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.314″
Uncertainty0
Orbit TypeApollo
MOID0.054717 AU
Observations Used449
Radar Obs Used1
Oppositions10
Arc Total1989-2025
First Observation Used1989-01-08
Last Observation Used2025-03-31
Observations (470)
Date Type RA Dec Mag Band Observatory
1989-01-08 11:52:44 A 10 07 15.69 +20 27 04.5 17.0 675
1989-01-09 11:02:14 A 09 58 44.00 +18 57 01.1 675
1989-01-13 10:09:59 A 09 30 01.33 +13 42 53.5 675
1989-01-13 12:12:14 A 09 29 28.27 +13 37 04.2 675
1989-01-14 12:53:59 A 09 23 25.18 +12 29 51.6 675
1989-01-27 11:05:06 A 08 35 55.46 +04 09 21.8 568
1989-01-30 07:37:59 A 08 29 59.56 +03 15 45.5 18.2 675
1989-01-31 08:48:45 A 08 28 04.66 +02 59 22.4 675
1989-02-02 07:19:59 A 08 24 55.39 +02 33 14.1 18.5 675
1989-02-15 06:39:06 A 08 13 10.26 +01 10 21.7 675
1989-02-15 06:47:37 A 08 13 10.08 +01 10 21.0 675
1989-02-15 06:57:34 A 08 13 09.87 +01 10 19.9 675
1989-02-16 06:55:12 A 08 12 48.48 +01 08 18.2 675
1989-02-16 07:10:43 A 08 12 48.20 +01 08 17.0 675
2005-07-27 13:09:19 C 23 05 45.02 +10 10 18.5 o 608
2005-07-27 13:24:37 C 23 05 45.84 +10 10 56.0 o 608
2005-07-27 13:39:32 C 23 05 46.71 +10 11 30.1 o 608
2005-08-26 07:16:43 C 00 40 14.95 +58 29 07.8 18.6 c 704
2005-08-26 07:32:45 C 00 40 20.36 +58 30 35.0 19.3 c 704
2005-08-26 08:04:39 C 00 40 31.41 +58 33 25.1 18.6 c 704
2005-08-26 08:20:37 C 00 40 36.90 +58 34 50.7 18.6 c 704
2005-08-28 08:32:02 C 01 00 31.90 +62 46 04.6 18.5 c 704
2005-08-28 09:04:42 C 01 00 46.53 +62 48 52.3 19.1 c 704
2005-08-28 09:20:59 C 01 00 53.88 +62 50 16.2 19.7 c 704
2005-08-28 09:38:10 C 01 01 01.57 +62 51 44.7 19.5 c 704
2005-08-29 01:48:30 C 01 09 03.20 +64 13 05.7 d 557
2005-08-29 01:49:26 C 01 09 03.70 +64 13 10.0 d 557
2005-08-29 01:52:17 C 01 09 05.16 +64 13 23.0 d 557
2005-08-29 01:53:13 C 01 09 05.54 +64 13 29.1 d 557
2005-08-29 08:28:16 C 01 12 37.44 +64 46 17.7 18.8 c 704
2005-08-29 08:28:26 C 01 12 37.27 +64 46 18.0 18.6 c 704
2005-08-29 08:28:34 C 01 12 37.43 +64 46 18.4 18.3 c 704
2005-08-29 08:28:44 C 01 12 37.54 +64 46 20.6 19.2 c 704
2005-08-29 08:44:24 C 01 12 45.68 +64 47 38.3 18.8 c 704
2005-08-29 08:44:32 C 01 12 45.72 +64 47 38.7 18.9 c 704
2005-08-29 08:44:42 C 01 12 45.86 +64 47 39.3 18.9 c 704
2005-08-29 08:44:51 C 01 12 45.93 +64 47 40.8 19.2 c 704
2005-08-29 09:00:48 C 01 12 54.34 +64 49 01.1 19.3 c 704
2005-08-29 09:00:57 C 01 12 54.40 +64 49 01.1 19.4 c 704
2005-08-29 09:04:37 C 01 12 56.66 +64 49 19.3 c 651
2005-08-29 09:05:43 C 01 12 57.16 +64 49 25.1 c 651
2005-08-29 09:06:48 C 01 12 57.76 +64 49 30.4 c 651
2005-08-29 09:07:55 C 01 12 58.30 +64 49 35.4 c 651
2005-08-29 09:16:37 C 01 13 02.43 +64 50 18.0 18.8 c 704
2005-08-29 09:16:46 C 01 13 02.61 +64 50 18.2 19.0 c 704
2005-08-29 09:16:55 C 01 13 02.60 +64 50 19.6 18.5 c 704
2005-08-29 09:17:04 C 01 13 02.80 +64 50 19.8 19.3 c 704
2005-08-29 09:33:08 C 01 13 11.03 +64 51 39.2 19.9 c 704
2005-08-30 08:24:29 C 01 26 33.55 +66 41 56.9 19.0 c 704
2005-08-30 08:40:56 C 01 26 43.37 +66 43 15.0 19.8 c 704
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2008-01-04 21:55:00 90377.5486 2 Hz 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)