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JPL Small-Body Database Browser
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146459 (2001 RJ39)
Classification:
Main-belt Asteroid
SPK-ID:
2146459
[
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 13
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.2351274720730126
3.7917e-08
a
2.623015933818852
2.1153e-08
au
q
2.006272828092793
9.96e-08
au
i
4.544309489809915
8.2866e-06
deg
node
351.3399077259227
7.1592e-05
deg
peri
117.0845934593026
7.7278e-05
deg
M
320.9271972045028
3.0108e-05
deg
t
p
2458768.911554547469
(2019-Oct-12.41155455)
0.00013141
TDB
period
1551.671630888885
4.25
1.877e-05
5.139e-08
d
yr
n
.2320078506518622
2.8065e-09
deg/d
Q
3.239759039544911
2.6126e-08
au
Orbit Determination Parameters
# obs. used (total)
404
data-arc span
6258 days (17.13 yr)
first obs. used
2001-08-27
last obs. used
2018-10-15
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.51878
source
ORB
producer
Otto Matic
solution date
2019-Jul-13 11:43:32
Additional Information
Earth MOID
= 1.028 au
Jupiter MOID
= 1.91068 au
T_jup
= 3.360
[ 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
16.2
n/a
MPO453929
146459 (2001 RJ39)
Discovered 2001-Sep-10 by LINEAR at Socorro
Reference:
20070106/Numbers.arc
Last Updated:
2007-01-09
[ show close-approach data ]
[
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
]
2019-Dec-15 23:57 UT
(server date/time)
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