+ 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
]
249898 (2001 SG11)
Classification:
Main-belt Asteroid
SPK-ID:
2249898
[
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 10
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1771105272039514
8.1671e-08
a
2.760634933549744
1.851e-08
au
q
2.271697425051103
2.2922e-07
au
i
6.257492855424823
7.8121e-06
deg
node
213.5724606064041
6.1752e-05
deg
peri
174.9455494768305
7.7077e-05
deg
M
278.4195451734562
3.7132e-05
deg
t
p
2458980.160589161586
(2020-May-10.66058916)
0.00017358
TDB
period
1675.374480183704
4.59
1.685e-05
4.613e-08
d
yr
n
.2148773329533623
2.1611e-09
deg/d
Q
3.249572442048385
2.1788e-08
au
Orbit Determination Parameters
# obs. used (total)
216
data-arc span
6592 days (18.05 yr)
first obs. used
2001-09-16
last obs. used
2019-10-04
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.60136
source
ORB
producer
Otto Matic
solution date
2019-Nov-08 02:48:26
Additional Information
Earth MOID
= 1.27611 au
Jupiter MOID
= 2.19355 au
T_jup
= 3.310
[ 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
16.7
n/a
MPO360274
249898 (2001 SG11)
Discovered 2001-Sep-16 by LINEAR at Socorro
Reference:
20100923/Numbers.arc
Last Updated:
2010-09-27
[ show close-approach data ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-05 22:21 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin