2019 YB4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1924679826 ± 1.03e-04
Semi-major axis (a)0.9936007962 AU ± 1.19e-05
Inclination (i)0.53924532° ± 1.77e-04
Long. of Asc. Node (Ω)324.36381175° ± 1.28e-02
Arg. of Perihelion (ω)236.81456429° ± 9.93e-03
Mean Anomaly (M)259.06476644° ± 4.50e-02
Mean Motion (n)0.9951633649°/day ± 1.79e-05
Perihelion dist (q)0.80236446 AU ± 1.02e-04
Aphelion dist (Q)1.18483714 AU ± 1.03e-04
Orbital Period0.99041657 yr ± 1.78e-05
Physical Parameters
H (abs. magnitude)26.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.428″
Uncertainty2
Orbit TypeAten
MOID0.002554 AU
Observations Used37
Oppositions1
Arc Total2019-2020
First Observation Used2019-12-29
Last Observation Used2020-01-02
Observations (37)
Date Type RA Dec Mag Band Observatory
2019-12-29 12:00:19 C 08 46 41.12 +35 59 16.5 V T08
2019-12-29 12:04:59 C 08 46 43.45 +35 59 35.3 V T08
2019-12-29 12:14:21 C 08 46 48.11 +36 00 15.4 V T08
2019-12-29 12:29:39 C 08 46 55.74 +36 01 16.7 V T08
2019-12-29 20:22:04 C 08 52 32.72 +36 28 37.3 V 104
2019-12-29 20:26:22 C 08 52 35.68 +36 28 58.3 V 104
2019-12-29 20:27:59 C 08 52 35.87 +36 29 09.7 V L01
2019-12-29 20:29:54 C 08 52 37.14 +36 29 19.6 V L01
2019-12-29 20:32:34 C 08 52 38.97 +36 29 32.6 V L01
2019-12-29 20:36:53 C 08 52 41.87 +36 29 54.4 V L01
2019-12-29 20:42:50 C 08 52 45.90 +36 30 23.7 V L01
2019-12-29 20:45:42 C 08 52 47.87 +36 30 37.7 V L01
2019-12-29 20:48:46 C 08 52 50.81 +36 30 50.7 V 104
2019-12-29 21:24:21 C 08 53 12.86 +36 33 14.1 V A17
2019-12-29 21:32:52 C 08 53 18.59 +36 33 55.7 V A17
2019-12-29 21:42:38 C 08 53 25.20 +36 34 43.7 V A17
2019-12-29 21:51:19 C 08 53 31.01 +36 35 26.6 V A17
2019-12-29 22:40:56 C 08 54 01.03 +36 40 01.8 o K88
2019-12-29 22:51:30 C 08 54 07.84 +36 40 52.0 o K88
2019-12-29 23:09:25 C 08 54 22.08 +36 42 19.6 V 595
2019-12-29 23:25:58 C 08 54 32.83 +36 43 39.5 V 595
2019-12-29 23:43:49 C 08 54 44.24 +36 45 04.6 V 595
2019-12-29 23:59:53 C 08 54 54.60 +36 46 20.0 V 595
2019-12-30 19:37:50 C 09 12 05.38 +38 16 56.7 V 033
2019-12-30 19:38:39 C 09 12 06.25 +38 17 02.2 V 033
2019-12-30 19:39:27 C 09 12 07.04 +38 17 06.6 V 033
2019-12-31 01:41:37 C 09 18 05.28 +38 52 47.0 V K87
2019-12-31 01:45:18 C 09 18 08.91 +38 53 07.1 V K87
2019-12-31 01:47:28 C 09 18 11.04 +38 53 19.0 V K87
2020-01-02 00:00:44 C 10 40 00.42 +43 20 42.9 V 246
2020-01-02 00:00:54 C 10 40 00.91 +43 20 44.2 V 246
2020-01-02 00:01:03 C 10 40 01.24 +43 20 44.8 V 246
2020-01-02 00:01:35 C 10 40 02.62 +43 20 47.9 V 246
2020-01-02 00:01:43 C 10 40 03.01 +43 20 49.1 V 246
2020-01-02 00:01:53 C 10 40 03.36 +43 20 49.5 V 246
2020-01-02 00:46:06 C 10 41 55.96 +43 25 03.3 V C47
2020-01-02 00:48:23 C 10 42 01.81 +43 25 15.9 V C47