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JPL Small-Body Database Browser
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243765 (2000 RJ21)
Classification:
Main-belt Asteroid
SPK-ID:
2243765
[
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
.1717117237009048
4.2512e-08
a
2.246105043782384
8.8843e-09
au
q
1.860422475101214
9.4662e-08
au
i
4.713590093745561
5.9392e-06
deg
node
232.4971030296679
5.1952e-05
deg
peri
98.98605199312239
5.5165e-05
deg
M
207.0428750480542
1.9298e-05
deg
t
p
2459122.909098937958
(2020-Sep-30.40909894)
6.7438e-05
TDB
period
1229.542433389419
3.37
7.2951e-06
1.997e-08
d
yr
n
.2927918469699379
1.7372e-09
deg/d
Q
2.631787612463552
1.041e-08
au
Orbit Determination Parameters
# obs. used (total)
530
data-arc span
10402 days (28.48 yr)
first obs. used
1990-10-12
last obs. used
2019-04-05
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.57513
source
ORB
producer
Otto Matic
solution date
2019-Jul-13 08:06:14
Additional Information
Earth MOID
= .856207 au
Jupiter MOID
= 2.72612 au
T_jup
= 3.607
[ 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
16.5
n/a
MPO386055
diameter
diameter
1.351
km
0.215
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.321
0.137
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
243765 (2000 RJ21)
Discovered 2000-Sep-01 by LINEAR at Socorro
Reference:
20100726/Numbers.arc
Last Updated:
2010-07-28
[
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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2019-Dec-11 06:59 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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Alan B. Chamberlin