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JPL Small-Body Database Browser
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277853 (2006 HX121)
Classification:
Inner Main-belt Asteroid
SPK-ID:
2277853
[
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 12
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.05340903697207246
5.888e-08
a
1.876739750023455
1.5719e-08
au
q
1.776504887327495
1.0436e-07
au
i
26.50112902704037
6.7607e-06
deg
node
99.77854906214039
1.2846e-05
deg
peri
239.978380888607
6.3402e-05
deg
M
277.4556006683638
6.2757e-05
deg
t
p
2458815.822600659418
(2019-Nov-28.32260066)
0.000164
TDB
period
939.0841397483081
2.57
1.1798e-05
3.23e-08
d
yr
n
.3833522309262796
4.8162e-09
deg/d
Q
1.976974612719417
1.6558e-08
au
Orbit Determination Parameters
# obs. used (total)
246
data-arc span
6648 days (18.20 yr)
first obs. used
1999-12-16
last obs. used
2018-02-27
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.61586
source
ORB
producer
Otto Matic
solution date
2018-Mar-06 01:44:27
Additional Information
Earth MOID
= .799148 au
Jupiter MOID
= 3.23454 au
T_jup
= 3.846
[ show covariance matrix ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
17.1
n/a
MPO437264
277853 (2006 HX121)
Discovered 2006-Apr-27 by CSS at Catalina
Reference:
20110517/Numbers.arc
Last Updated:
2011-05-20
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
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Discovery Circumstances
]
2019-Dec-12 19:34 UT
(server date/time)
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