+ View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Small-Body Database Browser
Search:
[
help
]
17321 (3188 T-1)
Classification:
Main-belt Asteroid
SPK-ID:
2017321
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference:
JPL 23
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.2073253993837716
4.3315e-08
a
3.158293744989201
1.9177e-08
au
q
2.503499232938047
1.3924e-07
au
i
27.04348097312464
5.4816e-06
deg
node
187.7009892024535
9.5559e-06
deg
peri
57.23454157843782
1.5735e-05
deg
M
284.2772976349447
1.2257e-05
deg
t
p
2459631.721902110193
(2022-Feb-21.22190211)
7.1555e-05
TDB
period
2050.11020355911
5.61
1.8673e-05
5.112e-08
d
yr
n
.1756003162049626
1.5994e-09
deg/d
Q
3.813088257040355
2.3153e-08
au
Orbit Determination Parameters
# obs. used (total)
806
data-arc span
18191 days (49.80 yr)
first obs. used
1971-03-25
last obs. used
2021-01-12
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.56925
source
ORB
producer
Otto Matic
solution date
2021-Feb-24 02:33:33
Additional Information
Earth MOID
= 1.58394 au
Jupiter MOID
= 1.44245 au
T_jup
= 3.005
[ 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
14.2
n/a
MPO425975
diameter
diameter
7.954
km
0.065
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.049
0.013
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
17321 (3188 T-1)
Discovered 1971-Mar-26 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference:
20000913/Numbers.arc
Last Updated:
2004-04-19
[ show close-approach data ]
Alternate Designations
3188 T-1
= 1999 FE30
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2021-Apr-12 20:40 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin