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JPL Small-Body Database Browser
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233926 (2009 UN4)
Classification:
Main-belt Asteroid
SPK-ID:
2233926
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
[ 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
.1598005036087219
7.0755e-08
a
2.367711953350724
2.615e-08
au
q
1.989350390804887
1.5895e-07
au
i
.755040843846422
7.6559e-06
deg
node
287.2288429566235
0.00056355
deg
peri
150.9133704464301
0.00056432
deg
M
187.9055098613091
3.0695e-05
deg
t
p
2459236.645108467473
(2021-Jan-22.14510847)
0.00011935
TDB
period
1330.735451575057
3.64
2.2046e-05
6.036e-08
d
yr
n
.2705270980598768
4.4818e-09
deg/d
Q
2.74607351589656
3.0329e-08
au
Orbit Determination Parameters
# obs. used (total)
178
data-arc span
5582 days (15.28 yr)
first obs. used
2002-12-06
last obs. used
2018-03-19
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.59146
source
ORB
producer
Otto Matic
solution date
2018-Apr-05 16:08:13
Additional Information
Earth MOID
= 1.00474 au
Jupiter MOID
= 2.49031 au
T_jup
= 3.529
[ show covariance matrix ]
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
|
Physical Parameters
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Discovery Circumstances
|
Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
17.5
n/a
MPO437099
233926 (2009 UN4)
Discovered 2009-Oct-18 by BATTeRS at Bisei SG Center
Reference:
20100228/Numbers.arc
Last Updated:
2010-03-03
[ show close-approach data ]
Alternate Designations
2009 UN4
= 2005 SH52 = 2009 UQ139
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-10 19:49 UT
(server date/time)
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