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JPL Small-Body Database Browser
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249893 (2001 RS72)
Classification:
Main-belt Asteroid
SPK-ID:
2249893
[
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 17
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.2136313127856078
6.0912e-08
a
2.723393977505616
1.1972e-08
au
q
2.141591746858673
1.6678e-07
au
i
9.457620691448279
7.8897e-06
deg
node
199.5289145318183
2.6191e-05
deg
peri
216.392270199067
3.0827e-05
deg
M
301.8460064537949
1.3577e-05
deg
t
p
2458865.680252085544
(2020-Jan-17.18025209)
6.2121e-05
TDB
period
1641.587876075026
4.49
1.0825e-05
2.964e-08
d
yr
n
.2192998652382511
1.4461e-09
deg/d
Q
3.305196208152558
1.453e-08
au
Orbit Determination Parameters
# obs. used (total)
604
data-arc span
6666 days (18.25 yr)
first obs. used
2001-08-28
last obs. used
2019-11-28
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.498
source
ORB
producer
Otto Matic
solution date
2019-Dec-04 18:49:17
Additional Information
Earth MOID
= 1.16016 au
Jupiter MOID
= 2.10523 au
T_jup
= 3.305
[ 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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Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.6
n/a
MPO418334
diameter
diameter
2.110
km
0.453
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.362
0.261
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
249893 (2001 RS72)
Discovered 2001-Sep-10 by LINEAR at Socorro
Reference:
20100923/Numbers.arc
Last Updated:
2010-09-27
[ show close-approach data ]
[
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
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Close-Approach Data
]
2019-Dec-07 14:15 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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Alan B. Chamberlin