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JPL Small-Body Database Browser
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442617 (2012 RR20)
Classification:
Main-belt Asteroid
SPK-ID:
2442617
[
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 14
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1047035628196308
6.6576e-08
a
2.283069168893412
1.9175e-08
au
q
2.044023692746619
1.4736e-07
au
i
4.927008875583977
6.3014e-06
deg
node
282.5476588866185
0.00010029
deg
peri
27.51567214514802
0.00011185
deg
M
2.012081489976224
4.5244e-05
deg
t
p
2458593.457609616348
(2019-Apr-19.95760962)
0.00015835
TDB
period
1260.018816705377
3.45
1.5874e-05
4.346e-08
d
yr
n
.2857100189513889
3.5994e-09
deg/d
Q
2.522114645040206
2.1182e-08
au
Orbit Determination Parameters
# obs. used (total)
134
data-arc span
7263 days (19.89 yr)
first obs. used
2000-01-08
last obs. used
2019-11-27
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.48501
source
ORB
producer
Otto Matic
solution date
2019-Dec-05 02:11:13
Additional Information
Earth MOID
= 1.02994 au
Jupiter MOID
= 2.67708 au
T_jup
= 3.592
[ 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
17.4
n/a
MPO450446
442617 (2012 RR20)
Discovered 2009-Nov-17 by Spacewatch at Kitt Peak
Reference:
Last Updated:
2015-09-02
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
2019-Dec-11 03:51 UT
(server date/time)
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