+ 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
]
487463 (2014 ST122)
Classification:
Main-belt Asteroid
SPK-ID:
2487463
[
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 12
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.05376644645283589
4.2246e-07
a
2.90943355047864
4.1903e-08
au
q
2.753003647278746
1.2311e-06
au
i
3.104764873337654
1.2853e-05
deg
node
68.94389174686441
0.00047065
deg
peri
257.5149349381863
0.00060187
deg
M
8.339255081115043
0.00034247
deg
t
p
2458558.510969389749
(2019-Mar-16.01096939)
0.0017245
TDB
period
1812.638044124839
4.96
3.9159e-05
1.072e-07
d
yr
n
.1986055634034824
4.2906e-09
deg/d
Q
3.065863453678534
4.4156e-08
au
Orbit Determination Parameters
# obs. used (total)
138
data-arc span
5078 days (13.90 yr)
first obs. used
2005-12-07
last obs. used
2019-11-02
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.55131
source
ORB
producer
Otto Matic
solution date
2019-Dec-05 03:43:54
Additional Information
Earth MOID
= 1.74231 au
Jupiter MOID
= 2.11639 au
T_jup
= 3.280
[ 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
16.6
n/a
MPO399040
487463 (2014 ST122)
Discovered 2009-Aug-16 by Spacewatch at Kitt Peak
Reference:
Last Updated:
2017-03-14
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
2019-Dec-15 03:15 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin