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JPL Small-Body Database Browser
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359974 (2012 HS2)
Classification:
Jupiter Trojan
SPK-ID:
2359974
[
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 9
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1200013297557762
1.014e-07
a
5.255758543171739
3.4254e-07
au
q
4.625060529115849
7.8653e-07
au
i
19.18895105473247
1.2276e-05
deg
node
323.87570745168
2.3006e-05
deg
peri
77.73800549092427
6.9504e-05
deg
M
274.7988845897847
7.5298e-05
deg
t
p
2459642.084033262410
(2022-Mar-03.58403326)
0.00099432
TDB
period
4401.001679016867
12.05
0.00043025
1.178e-06
d
yr
n
.08179955979485558
7.9968e-09
deg/d
Q
5.886456557227629
3.8364e-07
au
Orbit Determination Parameters
# obs. used (total)
106
data-arc span
6770 days (18.54 yr)
first obs. used
2001-02-13
last obs. used
2019-08-28
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.52784
source
ORB
producer
Otto Matic
solution date
2019-Sep-24 06:45:19
Additional Information
Earth MOID
= 3.69672 au
Jupiter MOID
= .032563 au
T_jup
= 2.875
[ hide covariance matrix ]
Orbital Elements at Epoch 2457090.5 (2015-Mar-09.0) TDB
Reference:
JPL 9
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1191242414056817
1.0025e-07
q
4.630872633113956
7.7787e-07
au
t
p
2455248.672172133528
(2010-Feb-21.17217213)
0.0007433
TDB
node
323.9377599968232
2.3021e-05
deg
peri
78.16555067824936
7.028e-05
deg
i
19.17722955873356
1.2274e-05
deg
Orbit Determination Parameters
# obs. used (total)
106
data-arc span
6770 days (18.54 yr)
first obs. used
2001-02-13
last obs. used
2019-08-28
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.52784
source
ORB
producer
Otto Matic
solution date
2019-Sep-24 06:45:19
Additional Information
Jupiter MOID
= .032563 au
T_jup
= 2.875
Orbit Covariance (6×6)
e
q
tp
node
peri
i
e
1.004976408793354E-14
-7.543832861770577E-14
-2.816069115630988E-11
-2.61860516866102E-14
-3.356620251470806E-12
-1.730985546091349E-14
q
-7.543832861770577E-14
6.050847983167378E-13
2.425557156165113E-10
2.390496676834424E-13
2.945186139035491E-11
1.667003003251411E-13
tp
-2.816069115630988E-11
2.425557156165113E-10
5.525003550625052E-7
2.554573801871243E-10
4.850179778521701E-8
1.499826905037476E-10
node
-2.61860516866102E-14
2.390496676834424E-13
2.554573801871243E-10
5.299439109521415E-10
-4.749540738392E-10
-2.616248406018243E-11
peri
-3.356620251470806E-12
2.945186139035491E-11
4.850179778521701E-8
-4.749540738392E-10
4.939242976831985E-9
4.032651608293111E-11
i
-1.730985546091349E-14
1.667003003251411E-13
1.499826905037476E-10
-2.616248406018243E-11
4.032651608293111E-11
1.506487703418064E-10
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
13.4
n/a
MPO434270
359974 (2012 HS2)
Discovered 2011-Dec-28 by Mt. Lemmon Survey at Mount Lemmon
Reference:
20130327/Numbers.arc
Last Updated:
2013-03-29
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
2019-Dec-10 03:22 UT
(server date/time)
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Ryan S. Park
Webmaster
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