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
2021-01-19 16:19:27 C 07 45 42.12 +49 52 40.7 q D29
2021-01-23 08:30:34 C 07 30 26.702 +51 26 05.60 U F52
2021-01-23 09:09:21 C 07 30 19.697 +51 26 43.20 U F52
2021-01-23 09:28:50 C 07 30 16.188 +51 27 01.80 U F52
2021-02-12 04:09:20 C 06 18 13.37 +55 02 49.6 V G96
2021-02-12 04:24:24 C 06 18 11.65 +55 02 51.0 V G96
2021-02-12 04:31:56 C 06 18 10.79 +55 02 51.4 V G96
2021-02-12 04:43:06 C 06 18 09.49 +55 02 52.0 V G96
2021-02-12 04:51:50 C 06 18 08.51 +55 02 52.6 V G96
2021-02-12 04:59:23 C 06 18 07.67 +55 02 53.0 V G96
2021-02-12 05:06:56 C 06 18 06.78 +55 02 53.4 V G96
2021-02-12 06:54:26 C 06 17 55.410 +55 03 02.86 U F51
2021-02-12 07:12:48 C 06 17 53.311 +55 03 04.14 U F51
2021-02-12 07:12:48 C 06 17 53.311 +55 03 04.17 U F51
2021-02-12 07:31:13 C 06 17 51.198 +55 03 05.25 U F51
2021-02-12 07:31:13 C 06 17 51.198 +55 03 05.28 U F51
2021-02-12 07:49:39 C 06 17 49.092 +55 03 06.44 U F51
2021-02-17 06:39:08 C 06 06 28.743 +55 04 24.43 U F52
2021-02-17 06:56:45 C 06 06 27.208 +55 04 23.67 U F52
2021-02-17 07:14:23 C 06 06 25.676 +55 04 23.19 U F52
2021-02-17 07:31:58 C 06 06 24.133 +55 04 22.36 U F52
2021-05-11 03:17:59 C 07 40 42.43 +49 26 40.7 V G96
2021-05-11 03:24:11 C 07 40 43.15 +49 26 38.9 V G96
2021-05-11 03:30:21 C 07 40 43.80 +49 26 36.5 V G96
2021-05-11 03:36:33 C 07 40 44.55 +49 26 34.2 V G96
2021-05-24 03:29:01 C 08 17 02.63 +47 11 24.4 V G96
2021-05-24 03:35:16 C 08 17 03.38 +47 11 20.9 V G96
2021-05-24 03:41:30 C 08 17 04.08 +47 11 18.0 V G96
2021-11-28 12:14:43 C 06 58 29.28 +00 54 44.5 V T05
2021-11-28 12:19:20 C 06 58 28.73 +00 54 49.4 V T05
2021-11-28 12:23:21 C 06 58 28.25 +00 54 54.9 V T05
2021-11-28 12:30:38 C 06 58 27.37 +00 55 02.6 V T05
2021-12-12 11:37:47 C 06 12 31.24 +08 16 29.8 V T08
2021-12-12 11:42:41 C 06 12 30.50 +08 16 36.6 V T08
2021-12-12 12:34:23 C 06 12 22.37 +08 17 51.8 V T08
2021-12-12 12:43:57 C 06 12 20.86 +08 18 05.6 V T08
2021-12-23 13:13:14 C 05 32 11.46 +14 37 45.4 V D29
2021-12-23 13:43:47 C 05 32 06.90 +14 38 27.4 V D29
2021-12-23 14:14:20 C 05 32 02.32 +14 39 09.3 V D29
2021-12-25 16:39:46 C 05 24 48.44 +15 46 53.3 V D29
2021-12-25 17:10:19 C 05 24 44.09 +15 47 34.8 V D29
2021-12-25 20:44:27 C 05 24 14.73 +15 52 10.7 V G33
2021-12-25 20:51:17 C 05 24 13.75 +15 52 19.0 V G33
2021-12-25 20:57:41 C 05 24 12.88 +15 52 28.4 V G33
2021-12-26 14:39:29 C 05 21 44.90 +16 15 39.3 V D29
2021-12-26 16:13:40 C 05 21 31.52 +16 17 41.5 V D29
2021-12-27 13:43:57 C 05 18 35.70 +16 45 17.2 V D29
2021-12-27 14:04:19 C 05 18 32.90 +16 45 43.3 V D29
2021-12-27 14:24:41 C 05 18 30.06 +16 46 09.2 V D29
2021-12-28 13:30:11 C 05 15 24.84 +17 15 12.4 V D29