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JPL Small-Body Database Browser
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312983 (1999 RA236)
Classification:
Main-belt Asteroid
SPK-ID:
2312983
[
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 12
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.267883399838403
6.7206e-08
a
3.06502030347324
3.7163e-08
au
q
2.243952244005095
2.0497e-07
au
i
17.04810258268902
8.1968e-06
deg
node
140.2889205682724
2.3784e-05
deg
peri
239.6145473311379
2.7494e-05
deg
M
230.0597720460816
1.5546e-05
deg
t
p
2459307.939954420691
(2021-Apr-03.43995442)
9.3102e-05
TDB
period
1959.965651913179
5.37
3.5647e-05
9.76e-08
d
yr
n
.1836766882361401
3.3406e-09
deg/d
Q
3.886088362941384
4.7119e-08
au
Orbit Determination Parameters
# obs. used (total)
162
data-arc span
7203 days (19.72 yr)
first obs. used
1999-09-08
last obs. used
2019-05-29
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.61793
source
ORB
producer
Otto Matic
solution date
2019-Sep-24 06:02:36
Additional Information
Earth MOID
= 1.29457 au
Jupiter MOID
= 1.80992 au
T_jup
= 3.112
[ 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
16.0
n/a
MPO418617
312983 (1999 RA236)
Discovered 1999-Sep-08 by CSS at Catalina
Reference:
20120207/Numbers.arc
Last Updated:
2012-02-09
[ show close-approach data ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-13 11:04 UT
(server date/time)
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