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JPL Small-Body Database Browser
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173129 (1994 JH2)
Classification:
Main-belt Asteroid
SPK-ID:
2173129
[
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 22
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.225957381802474
4.4159e-08
a
2.459640543433999
1.5612e-08
au
q
1.903866606064439
1.0401e-07
au
i
16.14533876577442
5.8098e-06
deg
node
51.02475586792198
1.5129e-05
deg
peri
266.3389651676701
2.1446e-05
deg
M
107.2112539121299
1.8322e-05
deg
t
p
2458180.891993625363
(2018-Mar-03.39199363)
6.9246e-05
TDB
period
1408.983448870741
3.86
1.3415e-05
3.673e-08
d
yr
n
.2555033561881294
2.4327e-09
deg/d
Q
3.01541448080356
1.914e-08
au
Orbit Determination Parameters
# obs. used (total)
757
data-arc span
9049 days (24.77 yr)
first obs. used
1994-05-01
last obs. used
2019-02-08
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.54745
source
ORB
producer
Otto Matic
solution date
2019-Jul-13 13:22:14
Additional Information
Earth MOID
= .970378 au
Jupiter MOID
= 2.4652 au
T_jup
= 3.402
[ show covariance matrix ]
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
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Physical Parameters
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Discovery Circumstances
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Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.5
n/a
MPO266538
diameter
diameter
4.936
km
0.022
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.036
0.013
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)
173129 (1994 JH2)
Discovered 1994-May-01 by Spacewatch at Kitt Peak
Reference:
20080122/Numbers.arc
Last Updated:
2008-01-28
[ show close-approach data ]
Alternate Designations
1994 JH2
= 2003 YY10
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
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Physical Parameters
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Discovery Circumstances
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Close-Approach Data
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2019-Dec-15 23:48 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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