+ 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
]
146867 (2002 AC176)
Classification:
Main-belt Asteroid
SPK-ID:
2146867
[
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 12
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.06527325542309703
5.68e-08
a
3.046885116422057
2.5384e-08
au
q
2.848005005973007
1.7141e-07
au
i
2.531237350662339
5.8719e-06
deg
node
316.6164125828578
0.00012035
deg
peri
234.5640313641886
0.00012691
deg
M
32.48180311392197
3.9803e-05
deg
t
p
2458425.224919718515
(2018-Nov-02.72491972)
0.00021496
TDB
period
1942.596249353222
5.32
2.4276e-05
6.646e-08
d
yr
n
.1853190029167719
2.3158e-09
deg/d
Q
3.245765226871107
2.7041e-08
au
Orbit Determination Parameters
# obs. used (total)
374
data-arc span
9005 days (24.65 yr)
first obs. used
1994-09-12
last obs. used
2019-05-09
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.58573
source
ORB
producer
Otto Matic
solution date
2019-May-30 07:22:30
Additional Information
Earth MOID
= 1.84917 au
Jupiter MOID
= 1.72639 au
T_jup
= 3.233
[ 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
15.4
n/a
MPO260126
diameter
diameter
6.250
km
1.652
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.029
0.011
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
146867 (2002 AC176)
Discovered 2002-Jan-14 by LINEAR at Socorro
Reference:
20070106/Numbers.arc
Last Updated:
2007-01-09
[ show close-approach data ]
Alternate Designations
2002 AC176
= 1994 RW9
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-11 01:44 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin