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JPL Small-Body Database Browser
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226131 (2002 RA44)
Classification:
Mars-crossing Asteroid
SPK-ID:
2226131
[
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 13
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.2561045760271488
3.8965e-08
a
2.23631920919996
8.2927e-09
au
q
1.663587626266435
8.7072e-08
au
i
4.823454657774041
5.1252e-06
deg
node
5.252740288102472
6.3884e-05
deg
peri
327.8162536263293
6.5203e-05
deg
M
357.2037207539142
1.3386e-05
deg
t
p
2458609.988054198908
(2019-May-06.48805420)
4.5453e-05
TDB
period
1221.515882717369
3.34
6.7944e-06
1.86e-08
d
yr
n
.2947157749591831
1.6393e-09
deg/d
Q
2.809050792133484
1.0417e-08
au
Orbit Determination Parameters
# obs. used (total)
367
data-arc span
6854 days (18.77 yr)
first obs. used
2001-02-20
last obs. used
2019-11-27
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.60345
source
ORB
producer
Otto Matic
solution date
2019-Dec-04 17:26:08
Additional Information
Earth MOID
= .655239 au
Jupiter MOID
= 2.56923 au
T_jup
= 3.590
[ show covariance matrix ]
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
|
Physical Parameters
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Discovery Circumstances
|
Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
16.8
n/a
MPO450048
226131 (2002 RA44)
Discovered 2002-Sep-05 by LINEAR at Socorro
Reference:
20091202/Numbers.arc
Last Updated:
2009-12-04
[ show close-approach data ]
[
Ephemeris
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Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-12 06:44 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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