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JPL Small-Body Database Browser
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442772 (2012 XH104)
Classification:
Main-belt Asteroid
SPK-ID:
2442772
[
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 11
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1250343353580194
8.3536e-08
a
2.611494899012244
5.1326e-08
au
q
2.28496837002339
2.3625e-07
au
i
13.82499176972811
9.0481e-06
deg
node
84.44070134132478
2.4221e-05
deg
peri
14.21149921567743
3.7053e-05
deg
M
187.0283388836382
3.1912e-05
deg
t
p
2459341.135722247114
(2021-May-06.63572225)
0.00015071
TDB
period
1541.459787621476
4.22
4.5444e-05
1.244e-07
d
yr
n
.2335448533208201
6.8851e-09
deg/d
Q
2.938021428001098
5.7744e-08
au
Orbit Determination Parameters
# obs. used (total)
140
data-arc span
3819 days (10.46 yr)
first obs. used
2009-01-20
last obs. used
2019-07-06
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.58534
source
ORB
producer
Otto Matic
solution date
2019-Sep-24 07:43:58
Additional Information
Earth MOID
= 1.30397 au
Jupiter MOID
= 2.26613 au
T_jup
= 3.358
[ hide covariance matrix ]
Orbital Elements at Epoch 2457360.5 (2015-Dec-04.0) TDB
Reference:
JPL 11
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1241571090946139
8.3375e-08
q
2.287370394582539
2.358e-07
au
t
p
2457796.267686109836
(2017-Feb-11.76768611)
0.00012474
TDB
node
84.48732105466023
2.4266e-05
deg
peri
13.51228886188146
3.7184e-05
deg
i
13.81190571011678
9.04e-06
deg
Orbit Determination Parameters
# obs. used (total)
140
data-arc span
3819 days (10.46 yr)
first obs. used
2009-01-20
last obs. used
2019-07-06
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.58534
source
ORB
producer
Otto Matic
solution date
2019-Sep-24 07:43:58
Additional Information
Jupiter MOID
= 2.26613 au
T_jup
= 3.358
Orbit Covariance (6×6)
e
q
tp
node
peri
i
e
6.951372988231378E-15
-1.934061710648065E-14
-3.373694895225193E-12
3.843260519086415E-14
-9.264025274502821E-13
1.327313368231837E-14
q
-1.934061710648065E-14
5.560361339867036E-14
1.144064676609353E-11
-1.109871068747607E-13
2.917524699057486E-12
-3.24396408537221E-14
tp
-3.373694895225193E-12
1.144064676609353E-11
1.555947629851969E-8
-6.074413880414861E-11
3.509002100602664E-9
-8.521266039839536E-12
node
3.843260519086415E-14
-1.109871068747607E-13
-6.074413880414861E-11
5.888255143466092E-10
-5.859274445153377E-10
-3.484848010158044E-11
peri
-9.264025274502821E-13
2.917524699057486E-12
3.509002100602664E-9
-5.859274445153377E-10
1.382620341785691E-9
3.145691370038007E-11
i
1.327313368231837E-14
-3.24396408537221E-14
-8.521266039839536E-12
-3.484848010158044E-11
3.145691370038007E-11
8.172221601528228E-11
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
16.6
n/a
MPO450447
442772 (2012 XH104)
Discovered 2012-Dec-06 by Spacewatch at Kitt Peak
Reference:
Last Updated:
2015-09-02
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
2019-Dec-08 16:04 UT
(server date/time)
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Ryan S. Park
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