+ 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
]
249816 (2001 FD90)
Classification:
Amor
[
NEO
]
SPK-ID:
2249816
[
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 97
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.4778153202101905
3.433e-08
a
2.0464070278809
1.7286e-08
au
q
1.068602398573604
6.8253e-08
au
i
7.298738733239698
5.6287e-06
deg
node
202.2190980219595
2.7625e-05
deg
peri
47.73034438587023
3.1618e-05
deg
M
34.4555163740824
2.5534e-05
deg
t
p
2458498.160635224834
(2019-Jan-14.66063523)
7.4557e-05
TDB
period
1069.267716642686
2.93
1.3548e-05
3.709e-08
d
yr
n
.336679013493774
4.2658e-09
deg/d
Q
3.024211657188197
2.5545e-08
au
Orbit Determination Parameters
# obs. used (total)
400
data-arc span
6796 days (18.61 yr)
first obs. used
2001-03-19
last obs. used
2019-10-27
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.52924
source
ORB
producer
Otto Matic
solution date
2019-Oct-28 06:14:30
Additional Information
Earth MOID
= .0998162 au
Jupiter MOID
= 2.04779 au
T_jup
= 3.636
[ 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
19.1
n/a
MPO181967
249816 (2001 FD90)
Discovered 2001-Mar-26 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-12 01:29 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin