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JPL Small-Body Database Browser
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74631 (1999 RS46)
Classification:
Main-belt Asteroid
SPK-ID:
2074631
[
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 18
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.2330101779309372
3.9941e-08
a
2.226463829204614
8.2756e-09
au
q
1.707675096204851
9.0417e-08
au
i
6.655758857704865
3.9632e-06
deg
node
134.7981885876275
3.9379e-05
deg
peri
224.2889203497461
4.051e-05
deg
M
306.9567987668107
8.0005e-06
deg
t
p
2458779.292426563643
(2019-Oct-22.79242656)
2.6863e-05
TDB
period
1213.450019352114
3.32
6.7655e-06
1.852e-08
d
yr
n
.2966747655517046
1.6541e-09
deg/d
Q
2.745252562204377
1.0204e-08
au
Orbit Determination Parameters
# obs. used (total)
587
data-arc span
7441 days (20.37 yr)
first obs. used
1999-07-13
last obs. used
2019-11-26
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.52606
source
ORB
producer
Otto Matic
solution date
2019-Dec-04 06:49:14
Additional Information
Earth MOID
= .709931 au
Jupiter MOID
= 2.70706 au
T_jup
= 3.601
[ 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
16.5
n/a
MPO436304
74631 (1999 RS46)
Discovered 1999-Sep-07 by LINEAR at Socorro
Reference:
20040415/Numbers.arc
Last Updated:
2004-04-19
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
2019-Dec-13 05:39 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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