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JPL Small-Body Database Browser
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146492 (2001 SB20)
Classification:
Main-belt Asteroid
SPK-ID:
2146492
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference:
JPL 14
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1539452093486476
4.2205e-08
a
2.608306076633303
1.6519e-08
au
q
2.20676985162064
1.1098e-07
au
i
5.316289910561878
5.5783e-06
deg
node
90.52211167007746
5.6674e-05
deg
peri
246.3679692924416
6.0372e-05
deg
M
89.14261883968058
2.1973e-05
deg
t
p
2458219.505115547049
(2018-Apr-11.00511555)
9.2949e-05
TDB
period
1538.637300411108
4.21
1.4617e-05
4.002e-08
d
yr
n
.2339732696612852
2.2227e-09
deg/d
Q
3.009842301645967
1.9062e-08
au
Orbit Determination Parameters
# obs. used (total)
338
data-arc span
7752 days (21.22 yr)
first obs. used
1997-11-06
last obs. used
2019-01-27
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.61187
source
ORB
producer
Otto Matic
solution date
2019-Jul-13 15:12:17
Additional Information
Earth MOID
= 1.20277 au
Jupiter MOID
= 2.36288 au
T_jup
= 3.388
[ show covariance matrix ]
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
|
Physical Parameters
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Discovery Circumstances
|
Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
16.1
n/a
MPO417787
146492 (2001 SB20)
Discovered 2001-Sep-16 by LINEAR at Socorro
Reference:
20070106/Numbers.arc
Last Updated:
2007-01-09
[ show close-approach data ]
[
Ephemeris
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Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-08 05:42 UT
(server date/time)
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