+ View the NASA Portal
+ Center for Near-Earth Object Studies
IMPORTANT:
The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.
Please visit
this page
for more details.
Don't show this message again
JPL Small-Body Database Browser
Search:
[
help
]
312282 (2008 AN137)
Classification:
Main-belt Asteroid
SPK-ID:
2312282
[
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 11
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.2738765605278706
6.0364e-08
a
2.637495006505464
2.7925e-08
au
q
1.915146945714314
1.7437e-07
au
i
7.807777525736437
4.7525e-06
deg
node
108.7714924706831
4.3142e-05
deg
peri
310.3280317221936
4.5517e-05
deg
M
277.707287203444
1.4733e-05
deg
t
p
2458958.138919711668
(2020-Apr-18.63891971)
6.8366e-05
TDB
period
1564.537207741546
4.28
2.4847e-05
6.803e-08
d
yr
n
.2300999926487337
3.6543e-09
deg/d
Q
3.359843067296614
3.5573e-08
au
Orbit Determination Parameters
# obs. used (total)
227
data-arc span
6253 days (17.12 yr)
first obs. used
2002-09-10
last obs. used
2019-10-24
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.57979
source
ORB
producer
Otto Matic
solution date
2019-Nov-08 08:09:30
Additional Information
Earth MOID
= .938318 au
Jupiter MOID
= 2.01893 au
T_jup
= 3.330
[ show covariance matrix ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
16.8
n/a
MPO455301
312282 (2008 AN137)
Discovered 2008-Jan-01 by Mt. Lemmon Survey at Mount Lemmon
Reference:
20120109/Numbers.arc
Last Updated:
2012-01-11
[ show close-approach data ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-10 19:57 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin