+ View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Small-Body Database Browser
Search:
[
help
]
32640 (2531 P-L)
Classification:
Main-belt Asteroid
SPK-ID:
2032640
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference:
JPL 33
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.2228695875793344
4.4331e-08
a
2.554636635350314
8.583e-09
au
q
1.985285822014731
1.1678e-07
au
i
6.791226335465661
4.4801e-06
deg
node
182.6780166189065
2.3565e-05
deg
peri
184.6596028952748
2.456e-05
deg
M
215.8977667277005
8.8943e-06
deg
t
p
2459597.480769651917
(2022-Jan-17.98076965)
3.9135e-05
TDB
period
1491.393104703551
4.08
7.5161e-06
2.058e-08
d
yr
n
.2413850505709279
1.2165e-09
deg/d
Q
3.123987448685897
1.0496e-08
au
Orbit Determination Parameters
# obs. used (total)
1857
data-arc span
21797 days (59.68 yr)
first obs. used
1960-09-24
last obs. used
2020-05-29
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.49834
source
ORB
producer
Otto Matic
solution date
2020-Jun-23 20:07:34
Additional Information
Earth MOID
= .984138 au
Jupiter MOID
= 2.33815 au
T_jup
= 3.393
[ hide covariance matrix ]
Orbital Elements at Epoch 2456641.5 (2013-Dec-15.0) TDB
Reference:
JPL 33
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.2200449127849364
4.4044e-08
q
1.99389733599835
1.1576e-07
au
t
p
2456611.345439651766
(2013-Nov-14.84543965)
2.9814e-05
TDB
node
182.7800491455973
2.3643e-05
deg
peri
184.348172598857
2.4667e-05
deg
i
6.774462434089666
4.4717e-06
deg
Orbit Determination Parameters
# obs. used (total)
1857
data-arc span
21797 days (59.68 yr)
first obs. used
1960-09-24
last obs. used
2020-05-29
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.49834
source
ORB
producer
Otto Matic
solution date
2020-Jun-23 20:07:34
Additional Information
Jupiter MOID
= 2.33815 au
T_jup
= 3.393
Orbit Covariance (6×6)
e
q
tp
node
peri
i
e
1.939842219319242E-15
-5.092148160035819E-15
-4.55327686502072E-13
4.971804628092986E-15
-9.077735372553751E-14
-6.490253571772558E-16
q
-5.092148160035819E-15
1.340079522959851E-14
1.266028473429148E-12
-1.261240078372457E-14
2.528104717034223E-13
1.765355303367125E-15
tp
-4.55327686502072E-13
1.266028473429148E-12
8.88895921702857E-10
-1.861455117074222E-12
2.140270223973344E-10
4.345615014661049E-13
node
4.971804628092986E-15
-1.261240078372457E-14
-1.861455117074222E-12
5.589847173453128E-10
-5.552048163726489E-10
2.694973727205914E-12
peri
-9.077735372553751E-14
2.528104717034223E-13
2.140270223973344E-10
-5.552048163726489E-10
6.084715925269006E-10
-2.617823110939629E-12
i
-6.490253571772558E-16
1.765355303367125E-15
4.345615014661049E-13
2.694973727205914E-12
-2.617823110939629E-12
1.999627022552685E-11
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
14.5
n/a
MPO365639
32640 (2531 P-L)
Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference:
20011130/Numbers.arc
Last Updated:
2004-04-19
Alternate Designations
2531 P-L
= 1968 QQ1 = 2000 LZ30
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
2020-Aug-04 09:27 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin
