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JPL Small-Body Database Browser
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312904 (2011 UO309)
Classification:
Main-belt Asteroid
SPK-ID:
2312904
[
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 6
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.02239361358536104
9.8615e-08
a
2.854451974494554
5.454e-08
au
q
2.790530479979752
2.4674e-07
au
i
3.144298586412603
7.7435e-06
deg
node
114.3411673697104
0.00018712
deg
peri
1.904928166699234
0.00041978
deg
M
144.0599518384689
0.00037033
deg
t
p
2457895.606830699800
(2017-May-22.10683070)
0.0018142
TDB
period
1761.499554245368
4.82
5.0485e-05
1.382e-07
d
yr
n
.2043713261989585
5.8574e-09
deg/d
Q
2.918373469009357
5.5761e-08
au
Orbit Determination Parameters
# obs. used (total)
119
data-arc span
6017 days (16.47 yr)
first obs. used
2001-10-23
last obs. used
2018-04-14
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.58063
source
ORB
producer
Otto Matic
solution date
2019-Jul-14 09:23:11
Additional Information
Earth MOID
= 1.80704 au
Jupiter MOID
= 2.0825 au
T_jup
= 3.302
[ 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
16.3
n/a
MPO440463
312904 (2011 UO309)
Discovered 2006-Sep-30 by Mt. Lemmon Survey at Mount Lemmon
Reference:
20120109/Numbers.arc
Last Updated:
2012-01-11
Alternate Designations
2011 UO309
= 2008 CS139
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
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Discovery Circumstances
]
2019-Dec-13 05:41 UT
(server date/time)
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