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120414 (4880 P-L)
Classification:
Mars-crossing Asteroid
SPK-ID:
2120414
[
Ephemeris
|
Orbit Diagram
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Orbital Elements
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Mission Design
|
Physical Parameters
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Discovery Circumstances
|
Close-Approach Data
]
[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference:
JPL 13
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.3220129227707048
4.9573e-08
a
2.409793413985022
8.1049e-09
au
q
1.63380879347411
1.1749e-07
au
i
11.01649852529671
7.2922e-06
deg
node
10.06558153432184
2.0442e-05
deg
peri
286.2561959941801
2.3229e-05
deg
M
75.80196275046579
1.0888e-05
deg
t
p
2458912.795869637819
(2020-Mar-04.29586964)
4.0554e-05
TDB
period
1366.369460265046
3.74
6.8933e-06
1.887e-08
d
yr
n
.2634719308862243
1.3292e-09
deg/d
Q
3.185778034495934
1.0715e-08
au
Orbit Determination Parameters
# obs. used (total)
398
data-arc span
22022 days (60.29 yr)
first obs. used
1960-09-24
last obs. used
2021-01-09
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.62104
source
ORB
producer
Otto Matic
solution date
2021-Feb-24 09:24:58
Additional Information
Earth MOID
= .659493 au
Jupiter MOID
= 2.18351 au
T_jup
= 3.424
[ show covariance matrix ]
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Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
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Physical Parameters
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Close-Approach Data
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
16.54
n/a
E2021B55
120414 (4880 P-L)
Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference:
20051116/Numbers.arc
Last Updated:
2005-11-21
[ show close-approach data ]
Alternate Designations
4880 P-L
= 2001 PJ48
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2021-Mar-07 07:10 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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