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JPL Small-Body Database Browser
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249151 (2008 AW77)
Classification:
Main-belt Asteroid
SPK-ID:
2249151
[
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 12
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.004556043921406258
6.1228e-08
a
2.950963102945978
4.1021e-08
au
q
2.937518385438507
1.7041e-07
au
i
2.385454299558366
6.3234e-06
deg
node
21.69908971901792
0.00015832
deg
peri
144.2424904594211
0.00085075
deg
M
37.12887041423019
0.00083185
deg
t
p
2458409.535195806403
(2018-Oct-18.03519581)
0.0042798
TDB
period
1851.586884888009
5.07
3.8608e-05
1.057e-07
d
yr
n
.1944278191524208
4.0541e-09
deg/d
Q
2.96440782045345
4.1208e-08
au
Orbit Determination Parameters
# obs. used (total)
180
data-arc span
6406 days (17.54 yr)
first obs. used
2001-10-17
last obs. used
2019-05-02
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.59402
source
ORB
producer
Otto Matic
solution date
2019-May-30 08:40:47
Additional Information
Earth MOID
= 1.93529 au
Jupiter MOID
= 1.99377 au
T_jup
= 3.268
[ 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
16.4
n/a
MPO433632
diameter
diameter
3.719
km
0.843
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.027
0.007
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
249151 (2008 AW77)
Discovered 2008-Jan-12 by Spacewatch at Kitt Peak
Reference:
20100824/Numbers.arc
Last Updated:
2010-08-27
[ show close-approach data ]
[
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
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2019-Dec-12 21:48 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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Alan B. Chamberlin