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JPL Small-Body Database Browser
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344212 (2001 RL9)
Classification:
Inner Main-belt Asteroid
SPK-ID:
2344212
[
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 11
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.09153034942082255
5.7365e-08
a
1.937973523151802
1.6227e-08
au
q
1.760590129409415
1.1647e-07
au
i
17.65268611526254
9.6511e-06
deg
node
267.2605016000698
1.8275e-05
deg
peri
78.11858927170951
6.0405e-05
deg
M
204.5834359369925
6.377e-05
deg
t
p
2459025.917144848590
(2020-Jun-25.41714485)
0.00017761
TDB
period
985.4173077935477
2.70
1.2377e-05
3.389e-08
d
yr
n
.3653274578727236
4.5885e-09
deg/d
Q
2.115356916894189
1.7712e-08
au
Orbit Determination Parameters
# obs. used (total)
161
data-arc span
6438 days (17.63 yr)
first obs. used
2001-08-23
last obs. used
2019-04-09
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.57488
source
ORB
producer
Otto Matic
solution date
2019-Jul-13 09:41:54
Additional Information
Earth MOID
= .819878 au
Jupiter MOID
= 3.1596 au
T_jup
= 3.843
[ 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
17.1
n/a
MPO418776
344212 (2001 RL9)
Discovered 2001-Sep-08 by LINEAR at Socorro
Reference:
20121128/Numbers.arc
Last Updated:
2012-12-03
[ show close-approach data ]
[
Ephemeris
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Orbit Diagram
|
Orbital Elements
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Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-07 01:49 UT
(server date/time)
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