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JPL Small-Body Database Browser
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74763 (1999 RU212)
Classification:
Main-belt Asteroid
SPK-ID:
2074763
[
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 16
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.2138778686052544
6.2558e-08
a
2.386866791355489
1.9191e-08
au
q
1.876368809375714
1.4275e-07
au
i
5.413910591492944
5.3835e-06
deg
node
273.1979069806974
4.9919e-05
deg
peri
75.64718907768304
5.2308e-05
deg
M
126.1928882545556
2.2251e-05
deg
t
p
2458128.357516899033
(2018-Jan-09.85751690)
7.8852e-05
TDB
period
1346.916583551706
3.69
1.6245e-05
4.448e-08
d
yr
n
.2672771308901032
3.2235e-09
deg/d
Q
2.897364773335263
2.3296e-08
au
Orbit Determination Parameters
# obs. used (total)
301
data-arc span
8100 days (22.18 yr)
first obs. used
1996-12-05
last obs. used
2019-02-08
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.56837
source
ORB
producer
Otto Matic
solution date
2019-Jul-13 07:22:42
Additional Information
Earth MOID
= .87784 au
Jupiter MOID
= 2.5545 au
T_jup
= 3.497
[ show covariance matrix ]
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
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Physical Parameters
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Discovery Circumstances
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
16.7
n/a
MPO366106
diameter
diameter
2.816
km
0.024
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.056
0.004
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
74763 (1999 RU212)
Discovered 1999-Sep-08 by LINEAR at Socorro
Reference:
20040415/Numbers.arc
Last Updated:
2004-04-19
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
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Physical Parameters
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Discovery Circumstances
]
2019-Dec-05 15:56 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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Alan B. Chamberlin