137099 (1998 YW3)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4627875716 ± 4.43e-08
Semi-major axis (a)1.1000660951 AU ± 1.31e-09
Inclination (i)28.79394917° ± 6.31e-06
Long. of Asc. Node (Ω)94.26335985° ± 5.45e-06
Arg. of Perihelion (ω)194.85565384° ± 8.23e-06
Mean Anomaly (M)270.76791849° ± 1.27e-05
Mean Motion (n)0.8542482676°/day ± 1.52e-09
Perihelion dist (q)0.59096918 AU ± 4.87e-08
Aphelion dist (Q)1.60916301 AU ± 4.88e-08
Orbital Period1.15379372 yr ± 2.06e-09
Physical Parameters
H (abs. magnitude)18.29
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.445″
Uncertainty0
Orbit TypeApollo
MOID0.387599 AU
Observations Used601
Oppositions3
Arc Total1998-2023
First Observation Used1998-12-17
Last Observation Used2023-02-03
Observations (714)
Date Type RA Dec Mag Band Observatory
1999-10-05 18:32:16 C 09 25 40.11 -45 39 41.9 413
1999-10-05 18:35:09 C 09 25 39.62 -45 39 42.9 413
1999-10-06 18:31:30 C 09 21 12.60 -45 50 09.7 413
1999-10-06 18:34:19 C 09 21 12.18 -45 50 11.6 413
1999-10-07 18:04:44 C 09 16 51.97 -45 59 27.4 413
1999-10-07 18:07:38 C 09 16 51.43 -45 59 28.4 413
1999-11-30 06:42:57 C 04 46 20.86 -29 10 36.2 18.2 a 704
1999-11-30 07:03:43 C 04 46 16.44 -29 09 43.8 18.2 a 704
1999-11-30 07:24:31 C 04 46 12.30 -29 08 51.8 18.0 a 704
1999-11-30 08:05:58 C 04 46 03.80 -29 07 06.6 18.5 a 704
1999-12-07 14:35:00 C 04 15 19.05 -21 27 50.6 360
1999-12-07 14:38:44 C 04 15 18.46 -21 27 40.0 360
1999-12-07 14:42:30 C 04 15 17.88 -21 27 30.4 360
2004-01-12 12:53:49 C 15 28 51.36 +12 40 11.5 c 673
2004-01-12 13:00:59 C 15 28 52.74 +12 40 08.1 c 673
2004-01-12 13:19:19 C 15 28 56.23 +12 40 00.0 c 673
2004-01-12 13:38:00 C 15 28 59.75 +12 39 52.0 c 673
2004-01-13 12:14:30 C 15 33 20.81 +12 29 32.2 c 673
2004-01-13 13:20:40 C 15 33 33.40 +12 29 02.0 c 673
2004-01-13 13:34:09 C 15 33 36.12 +12 28 57.2 c 673
2004-01-13 13:39:50 C 15 33 37.08 +12 28 54.1 c 673
2005-02-18 09:40:53 C 15 05 16.12 +64 56 50.2 o H36
2005-02-18 09:49:52 C 15 05 18.52 +64 57 04.4 o H36
2005-02-18 09:58:51 C 15 05 20.81 +64 57 19.6 o H36
2005-10-30 10:36:57 C 08 45 27.849 +14 24 25.65 n 645
2005-10-30 10:37:33 C 08 45 27.851 +14 24 25.65 n 645
2005-10-30 10:38:09 C 08 45 27.912 +14 24 26.10 n 645
2005-10-30 10:38:44 C 08 45 27.908 +14 24 26.10 n 645
2005-10-30 10:41:43 C 08 45 28.088 +14 24 27.16 n 645
2005-10-30 10:42:19 C 08 45 28.092 +14 24 27.14 n 645
2005-11-03 11:30:14 C 08 50 22.084 +14 58 01.70 e 645
2005-11-03 11:35:14 C 08 50 22.323 +14 58 03.50 22.05 e 645
2006-01-11 02:42:54 C 08 17 02.46 +44 59 33.7 o 461
2006-01-11 02:43:54 C 08 17 02.31 +44 59 35.2 o 461
2006-01-11 02:44:56 C 08 17 02.16 +44 59 36.5 o 461
2006-01-11 02:45:55 C 08 17 02.02 +44 59 38.3 o 461
2006-01-11 02:46:57 C 08 17 01.87 +44 59 39.6 o 461
2006-01-11 02:47:57 C 08 17 01.72 +44 59 41.3 o 461
2006-01-11 02:48:59 C 08 17 01.58 +44 59 43.1 o 461
2006-01-11 02:50:29 C 08 17 01.41 +44 59 44.5 o 461
2006-01-28 20:15:07 C 07 06 32.86 +52 58 36.8 o A74
2006-01-28 20:26:57 C 07 06 30.86 +52 58 44.1 o A74
2006-01-28 20:33:14 C 07 06 29.78 +52 58 48.5 o A74
2006-01-30 19:21:35 C 06 58 41.70 +53 26 40.4 o 240
2006-01-30 19:38:48 C 06 58 38.69 +53 26 49.7 o 240
2006-01-30 19:47:25 C 06 58 37.25 +53 26 54.8 o 240
2006-01-30 19:49:53 C 06 58 36.83 +53 26 56.4 o 240
2006-02-02 18:33:30 C 06 47 20.87 +54 00 13.6 o 240
2006-02-02 18:41:19 C 06 47 19.77 +54 00 17.7 o 240
2006-02-02 18:46:13 C 06 47 19.03 +54 00 20.4 o 240