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JPL Small-Body Database Browser
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146876 (2002 BK21)
Classification:
Inner Main-belt Asteroid
SPK-ID:
2146876
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference:
JPL 13
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.06157214989898485
8.9107e-08
a
1.894921657016869
1.1077e-08
au
q
1.778247256704194
1.6819e-07
au
i
22.00129970738509
9.8808e-06
deg
node
34.58331103741914
1.7886e-05
deg
peri
120.90525817286
6.0155e-05
deg
M
202.9563426184868
6.1375e-05
deg
t
p
2459016.126486681505
(2020-Jun-15.62648668)
0.0001642
TDB
period
952.7639492109497
2.61
8.3545e-06
2.287e-08
d
yr
n
.3778480496644957
3.3132e-09
deg/d
Q
2.011596057329544
1.1759e-08
au
Orbit Determination Parameters
# obs. used (total)
307
data-arc span
7142 days (19.55 yr)
first obs. used
1998-10-29
last obs. used
2018-05-19
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.65863
source
ORB
producer
Otto Matic
solution date
2018-May-31 16:18:43
Additional Information
Earth MOID
= .81584 au
Jupiter MOID
= 2.99134 au
T_jup
= 3.863
[ show covariance matrix ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
16.5
n/a
MPO345205
146876 (2002 BK21)
Discovered 2002-Jan-25 by LINEAR at Socorro
Reference:
20070106/Numbers.arc
Last Updated:
2007-01-09
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
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Discovery Circumstances
]
2019-Dec-07 20:25 UT
(server date/time)
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