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JPL Small-Body Database Browser
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74656 (1999 RR87)
Classification:
Main-belt Asteroid
SPK-ID:
2074656
[
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 26
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1736179110066343
2.9674e-08
a
2.233840379771917
6.4589e-09
au
q
1.84600567951365
6.696e-08
au
i
3.015435245770063
3.4224e-06
deg
node
150.0817993060336
6.0992e-05
deg
peri
82.35496988563415
6.1733e-05
deg
M
60.88632437539116
9.927e-06
deg
t
p
2458394.250032443867
(2018-Oct-02.75003244)
3.3285e-05
TDB
period
1219.485476942636
3.34
5.289e-06
1.448e-08
d
yr
n
.2952064676510568
1.2803e-09
deg/d
Q
2.621675080030184
7.5803e-09
au
Orbit Determination Parameters
# obs. used (total)
1483
data-arc span
7962 days (21.80 yr)
first obs. used
1998-02-06
last obs. used
2019-11-25
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.49998
source
ORB
producer
Otto Matic
solution date
2019-Dec-04 06:49:14
Additional Information
Earth MOID
= .838152 au
Jupiter MOID
= 2.37325 au
T_jup
= 3.618
[ 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
15.1
n/a
MPO337820
74656 (1999 RR87)
Discovered 1999-Sep-07 by LINEAR at Socorro
Reference:
20040415/Numbers.arc
Last Updated:
2004-04-19
[ show close-approach data ]
Alternate Designations
1999 RR87
= 1998 CK4
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-12 14:25 UT
(server date/time)
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