+ View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Small-Body Database Browser
Search:
[
help
]
56213 (1999 GW50)
Classification:
Main-belt Asteroid
SPK-ID:
2056213
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference:
JPL 34
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.04613059689407951
4.1037e-08
a
2.640347089348114
1.1851e-08
au
q
2.51854630210894
1.0402e-07
au
i
11.5503945722235
4.5978e-06
deg
node
187.1107989164004
1.5496e-05
deg
peri
249.7208527467853
5.8283e-05
deg
M
97.25652703488979
5.3455e-05
deg
t
p
2458577.143516590646
(2019-Apr-03.64351659)
0.0002333
TDB
period
1567.075636709631
4.29
1.0551e-05
2.889e-08
d
yr
n
.22972726495569
1.5467e-09
deg/d
Q
2.762147876587288
1.2398e-08
au
Orbit Determination Parameters
# obs. used (total)
1552
data-arc span
7767 days (21.26 yr)
first obs. used
1999-02-18
last obs. used
2020-05-25
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.51732
source
ORB
producer
Otto Matic
solution date
2020-Nov-12 23:00:21
Additional Information
Earth MOID
= 1.55607 au
Jupiter MOID
= 2.35849 au
T_jup
= 3.365
[ show covariance matrix ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
14.3
n/a
MPO452934
rotation period
rot_per
2.417
h
n/a
LCDB (Rev. 2020-October); Warner et al., 2009
Published Reference List:
[Warner, B.D. (2019) Minor Planet Bull. 46, 46-51.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
56213 (1999 GW50)
Discovered 1999-Apr-10 by LONEOS at Anderson Mesa
Reference:
20030318/Numbers.arc
Last Updated:
2004-04-19
[ show close-approach data ]
Alternate Designations
1999 GW50
= 2000 OX39
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2021-Jan-22 04:25 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin