+ 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
]
344202 (2001 QJ111)
Classification:
Mars-crossing Asteroid
SPK-ID:
2344202
[
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 9
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.2971918347317571
6.7011e-08
a
2.337994255784015
1.0754e-08
au
q
1.643161453315255
1.5367e-07
au
i
10.81952245085144
5.0863e-06
deg
node
114.7628274378918
4.5139e-05
deg
peri
214.5831333113683
4.6912e-05
deg
M
336.5493627108535
1.574e-05
deg
t
p
2458685.558111351121
(2019-Jul-21.05811135)
5.726e-05
TDB
period
1305.760679714047
3.57
9.0094e-06
2.467e-08
d
yr
n
.2757013636517509
1.9023e-09
deg/d
Q
3.032827058252775
1.3951e-08
au
Orbit Determination Parameters
# obs. used (total)
249
data-arc span
6668 days (18.26 yr)
first obs. used
2001-07-30
last obs. used
2019-11-01
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.58293
source
ORB
producer
Otto Matic
solution date
2019-Nov-08 10:23:10
Additional Information
Earth MOID
= .642609 au
Jupiter MOID
= 2.34283 au
T_jup
= 3.483
[ 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
17.0
n/a
MPO440550
344202 (2001 QJ111)
Discovered 2001-Jul-30 by LINEAR at Socorro
Reference:
20121128/Numbers.arc
Last Updated:
2012-12-03
[ show close-approach data ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-09 00:10 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin