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JPL Small-Body Database Browser
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266858 (2009 UK99)
Classification:
Main-belt Asteroid
SPK-ID:
2266858
[
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
.07189856194614329
6.2421e-08
a
3.166262819997594
4.1269e-08
au
q
2.938613076496226
2.103e-07
au
i
2.824913761144874
5.2007e-06
deg
node
83.1545645474085
0.0001366
deg
peri
270.7712469997673
0.00014189
deg
M
292.6938305127781
3.8204e-05
deg
t
p
2458985.243456869494
(2020-May-15.74345687)
0.00021975
TDB
period
2057.874419659457
5.63
4.0233e-05
1.102e-07
d
yr
n
.1749377885068292
3.4202e-09
deg/d
Q
3.393912563498961
4.4236e-08
au
Orbit Determination Parameters
# obs. used (total)
218
data-arc span
6767 days (18.53 yr)
first obs. used
2001-03-20
last obs. used
2019-09-29
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.60164
source
ORB
producer
Otto Matic
solution date
2019-Nov-08 04:06:53
Additional Information
Earth MOID
= 1.93428 au
Jupiter MOID
= 1.96155 au
T_jup
= 3.198
[ 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
15.7
n/a
MPO450147
266858 (2009 UK99)
Discovered 2009-Oct-23 by Mt. Lemmon Survey at Mount Lemmon
Reference:
20110218/Numbers.arc
Last Updated:
2011-02-22
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
2019-Dec-12 08:34 UT
(server date/time)
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Ryan S. Park
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