+ 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
]
2982 Muriel (1981 JA3)
Classification:
Main-belt Asteroid
SPK-ID:
2002982
[
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 31
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.06371172307178471
3.3593e-08
a
2.997868215160719
1.6572e-08
au
q
2.806868865630693
1.0691e-07
au
i
10.23542303737877
4.8444e-06
deg
node
42.81342434021002
2.2645e-05
deg
peri
40.85956863346051
4.7445e-05
deg
M
248.6292597692654
4.1498e-05
deg
t
p
2459187.024068790574
(2020-Dec-03.52406879)
0.00021939
TDB
period
1895.907886821574
5.19
1.5721e-05
4.304e-08
d
yr
n
.1898826427709671
1.5745e-09
deg/d
Q
3.188867564690745
1.7628e-08
au
Orbit Determination Parameters
# obs. used (total)
2125
data-arc span
16778 days (45.94 yr)
first obs. used
1973-12-20
last obs. used
2019-11-27
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.45035
source
ORB
producer
Otto Matic
solution date
2019-Dec-03 20:42:34
Additional Information
Earth MOID
= 1.83052 au
Jupiter MOID
= 2.02918 au
T_jup
= 3.227
[ 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
11.7
n/a
MPO416741
diameter
diameter
15.229
km
0.269
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)
geometric albedo
albedo
0.132
0.014
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)
2982 Muriel (1981 JA3)
Discovered 1981-May-06 by Shoemaker, C. at Palomar
Reference:
DISCOVERY.DB
Last Updated:
2003-08-29
[ show close-approach data ]
Alternate Designations
1981 JA3
= 1973 YP = 1978 SY5
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-08 18:33 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin