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JPL Small-Body Database Browser
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312871 (2011 UL161)
Classification:
Main-belt Asteroid
SPK-ID:
2312871
[
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
.1195163069033477
1.0058e-07
a
3.067163541015524
4.9846e-08
au
q
2.700587481924754
3.0952e-07
au
i
3.201790897980544
8.8532e-06
deg
node
348.6374666808055
0.00013683
deg
peri
35.01540611472094
0.00014028
deg
M
166.0056428647004
3.0922e-05
deg
t
p
2457695.759197780984
(2016-Nov-03.25919778)
0.00016285
TDB
period
1962.021791417697
5.37
4.7828e-05
1.309e-07
d
yr
n
.1834842006213779
4.4728e-09
deg/d
Q
3.433739600106294
5.5803e-08
au
Orbit Determination Parameters
# obs. used (total)
135
data-arc span
4965 days (13.59 yr)
first obs. used
2005-08-29
last obs. used
2019-04-03
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.52463
source
ORB
producer
Otto Matic
solution date
2019-Jul-14 14:24:08
Additional Information
Earth MOID
= 1.70396 au
Jupiter MOID
= 2.03178 au
T_jup
= 3.219
[ show covariance matrix ]
[
Ephemeris
|
Orbit Diagram
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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
MPO434005
312871 (2011 UL161)
Discovered 2005-Aug-29 by Spacewatch at Kitt Peak
Reference:
20120109/Numbers.arc
Last Updated:
2012-01-11
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
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Discovery Circumstances
]
2019-Dec-09 00:30 UT
(server date/time)
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