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JPL Small-Body Database Browser
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249794 (2000 YO21)
Classification:
Main-belt Asteroid
SPK-ID:
2249794
[
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
.117627756612035
4.8886e-08
a
3.174814828612147
3.8049e-08
au
q
2.801368482663877
1.5606e-07
au
i
20.91217016051531
5.9098e-06
deg
node
160.8560881149132
1.5733e-05
deg
peri
276.5252254397072
3.1874e-05
deg
M
123.1353911235865
3.1088e-05
deg
t
p
2457893.765291585916
(2017-May-20.26529159)
0.00017465
TDB
period
2066.217459558104
5.66
3.7144e-05
1.017e-07
d
yr
n
.1742314190283689
3.1321e-09
deg/d
Q
3.548261174560416
4.2524e-08
au
Orbit Determination Parameters
# obs. used (total)
251
data-arc span
7231 days (19.80 yr)
first obs. used
1999-10-08
last obs. used
2019-07-26
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.68823
source
ORB
producer
Otto Matic
solution date
2019-Sep-24 04:19:07
Additional Information
Earth MOID
= 1.91153 au
Jupiter MOID
= 1.80253 au
T_jup
= 3.088
[ 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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Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.3
n/a
MPO437160
diameter
diameter
5.677
km
0.368
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.042
0.007
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
249794 (2000 YO21)
Discovered 2000-Dec-28 by NEAT at Haleakala
Reference:
20100923/Numbers.arc
Last Updated:
2010-09-27
[ show close-approach data ]
Alternate Designations
2000 YO21
= 2007 DU60
[
Ephemeris
|
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
]
2019-Dec-16 11:20 UT
(server date/time)
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Ryan S. Park
Webmaster
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