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JPL Small-Body Database Browser
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312611 (2009 RY68)
Classification:
Jupiter Trojan
SPK-ID:
2312611
[
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 10
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.07885745294795124
1.2675e-07
a
5.168493381630402
2.8724e-07
au
q
4.760919157976685
7.9091e-07
au
i
3.790785217705943
1.0358e-05
deg
node
147.0183277035867
0.00018836
deg
peri
228.9927852339281
0.00020935
deg
M
304.9405266404219
0.00010933
deg
t
p
2459256.908091463154
(2021-Feb-11.40809146)
0.0013415
TDB
period
4291.848405150571
11.75
0.00035778
9.795e-07
d
yr
n
.08387994309583964
6.9924e-09
deg/d
Q
5.576067605284119
3.0989e-07
au
Orbit Determination Parameters
# obs. used (total)
94
data-arc span
7591 days (20.78 yr)
first obs. used
1996-09-07
last obs. used
2017-06-20
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.58831
source
ORB
producer
Otto Matic
solution date
2019-Jul-14 12:40:30
Additional Information
Earth MOID
= 3.76284 au
Jupiter MOID
= .0756472 au
T_jup
= 2.989
[ show covariance matrix ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
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Discovery Circumstances
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
13.9
n/a
MPO413278
312611 (2009 RY68)
Discovered 2009-Sep-15 by Spacewatch at Kitt Peak
Reference:
20120109/Numbers.arc
Last Updated:
2012-01-11
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
2019-Dec-05 20:08 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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