+ 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
]
277265 (2005 SW31)
Classification:
Main-belt Asteroid
SPK-ID:
2277265
[
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 11
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.07071775432464809
5.525e-08
a
2.39867787286551
1.7043e-08
au
q
2.229048760348237
1.3342e-07
au
i
3.453105262718071
6.0144e-06
deg
node
72.44474885590687
0.00010046
deg
peri
342.5253246579334
0.00010905
deg
M
203.7812971124511
4.4399e-05
deg
t
p
2459189.325821854960
(2020-Dec-05.82582186)
0.00016939
TDB
period
1356.926487991477
3.72
1.4462e-05
3.959e-08
d
yr
n
.2653054555172493
2.8276e-09
deg/d
Q
2.568306985382783
1.8249e-08
au
Orbit Determination Parameters
# obs. used (total)
193
data-arc span
8490 days (23.24 yr)
first obs. used
1994-11-28
last obs. used
2018-02-25
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.57643
source
ORB
producer
Otto Matic
solution date
2018-Mar-06 01:44:20
Additional Information
Earth MOID
= 1.24035 au
Jupiter MOID
= 2.64703 au
T_jup
= 3.521
[ show covariance matrix ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
17.0
n/a
MPO437262
277265 (2005 SW31)
Discovered 2005-Sep-23 by Spacewatch at Kitt Peak
Reference:
20110517/Numbers.arc
Last Updated:
2011-05-20
Alternate Designations
2005 SW31
= 1994 WG6
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
2019-Dec-11 17:20 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin