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JPL Small-Body Database Browser
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117187 (2004 RH99)
Classification:
Main-belt Asteroid
SPK-ID:
2117187
[
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 14
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1727120989064947
4.9423e-08
a
2.398165608270631
9.9941e-09
au
q
1.983973392540839
1.1992e-07
au
i
2.114483404777279
4.8212e-06
deg
node
237.9199267109831
0.00012818
deg
peri
160.8429477610987
0.0001288
deg
M
301.011211695901
1.1767e-05
deg
t
p
2458822.771692909044
(2019-Dec-05.27169291)
4.4331e-05
TDB
period
1356.491830867044
3.71
8.4796e-06
2.322e-08
d
yr
n
.265390466649471
1.659e-09
deg/d
Q
2.812357824000422
1.172e-08
au
Orbit Determination Parameters
# obs. used (total)
571
data-arc span
9519 days (26.06 yr)
first obs. used
1993-10-12
last obs. used
2019-11-04
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.48659
source
ORB
producer
Otto Matic
solution date
2019-Dec-04 11:00:27
Additional Information
Earth MOID
= .991218 au
Jupiter MOID
= 2.59721 au
T_jup
= 3.506
[ show covariance matrix ]
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
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Physical Parameters
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Discovery Circumstances
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
16.7
n/a
MPO449685
117187 (2004 RH99)
Discovered 2004-Sep-08 by LINEAR at Socorro
Reference:
20051019/Numbers.arc
Last Updated:
2005-10-26
Alternate Designations
2004 RH99
= 1993 TM47
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
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Discovery Circumstances
]
2019-Dec-14 19:08 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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Alan B. Chamberlin