+ 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
]
117117 (2004 PJ16)
Classification:
Main-belt Asteroid
SPK-ID:
2117117
[
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 17
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.04647542790277503
4.2665e-08
a
2.293149564054793
1.2776e-08
au
q
2.186574456820284
9.8315e-08
au
i
7.092904698019562
6.1961e-06
deg
node
1.751685241450897
3.7359e-05
deg
peri
104.3407210733635
7.7913e-05
deg
M
321.4893123562301
6.9839e-05
deg
t
p
2458736.183104342865
(2019-Sep-09.68310434)
0.00024623
TDB
period
1268.373029722659
3.47
1.06e-05
2.902e-08
d
yr
n
.2838281732296981
2.372e-09
deg/d
Q
2.399724671289301
1.337e-08
au
Orbit Determination Parameters
# obs. used (total)
499
data-arc span
7239 days (19.82 yr)
first obs. used
1999-02-18
last obs. used
2018-12-14
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.5712
source
ORB
producer
Otto Matic
solution date
2019-Jul-13 18:40:44
Additional Information
Earth MOID
= 1.21591 au
Jupiter MOID
= 2.63714 au
T_jup
= 3.585
[ 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
16.0
n/a
MPO264141
117117 (2004 PJ16)
Discovered 2004-Aug-07 by NEAT at Palomar
Reference:
20051019/Numbers.arc
Last Updated:
2005-10-26
[ show close-approach data ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-11 22:35 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin