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JPL Small-Body Database Browser
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146291 (2001 HT12)
Classification:
Main-belt Asteroid
SPK-ID:
2146291
[
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 20
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1466702506240869
4.7014e-08
a
2.22841844738021
1.0556e-08
au
q
1.901575755207616
1.0623e-07
au
i
1.990799737077072
4.3752e-06
deg
node
115.137729838203
0.00014707
deg
peri
62.55228522925044
0.0001482
deg
M
178.5261188613345
2.2285e-05
deg
t
p
2457997.950393499939
(2017-Sep-01.45039350)
7.2175e-05
TDB
period
1215.048306228555
3.33
8.6337e-06
2.364e-08
d
yr
n
.2962845165534371
2.1053e-09
deg/d
Q
2.555261139552804
1.2105e-08
au
Orbit Determination Parameters
# obs. used (total)
488
data-arc span
6780 days (18.56 yr)
first obs. used
2001-04-16
last obs. used
2019-11-08
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.54459
source
ORB
producer
Otto Matic
solution date
2019-Dec-04 12:58:06
Additional Information
Earth MOID
= .906915 au
Jupiter MOID
= 2.40619 au
T_jup
= 3.629
[ 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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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
16.4
n/a
MPO251282
146291 (2001 HT12)
Discovered 2001-Apr-18 by LINEAR at Socorro
Reference:
20070106/Numbers.arc
Last Updated:
2007-01-09
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
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Discovery Circumstances
]
2019-Dec-14 16:07 UT
(server date/time)
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