+ 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
]
117017 (2004 JN8)
Classification:
Main-belt Asteroid
SPK-ID:
2117017
[
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
.1002781499397608
5.2875e-08
a
3.147558106835008
3.7296e-08
au
q
2.831926803053698
1.6436e-07
au
i
23.62342933813508
6.9552e-06
deg
node
78.9996551047344
1.4286e-05
deg
peri
231.1898949918524
3.6137e-05
deg
M
171.1985443815541
3.298e-05
deg
t
p
2457630.533738565878
(2016-Aug-30.03373857)
0.00018541
TDB
period
2039.666022732301
5.58
3.6253e-05
9.926e-08
d
yr
n
.1764994837330036
3.1371e-09
deg/d
Q
3.463189410616319
4.1036e-08
au
Orbit Determination Parameters
# obs. used (total)
404
data-arc span
8440 days (23.11 yr)
first obs. used
1995-12-20
last obs. used
2019-01-28
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.58407
source
ORB
producer
Otto Matic
solution date
2019-Jul-13 18:34:20
Additional Information
Earth MOID
= 1.8639 au
Jupiter MOID
= 1.76744 au
T_jup
= 3.071
[ 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
14.4
n/a
MPO338084
diameter
diameter
6.629
km
1.407
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.070
0.042
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
117017 (2004 JN8)
Discovered 2004-May-12 by CSS at Catalina
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-14 08:09 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin