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JPL Small-Body Database Browser
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3271 Ul (1982 RB)
Classification:
Amor
[
NEO
]
SPK-ID:
2003271
[
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 53
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.3957754450837961
1.4319e-07
a
2.101435378558774
4.5601e-08
au
q
1.26973885629484
3.0235e-07
au
i
25.06877299156526
1.9069e-05
deg
node
158.8271838683163
1.7035e-05
deg
peri
159.0469830401131
0.00010382
deg
M
17.54091919790381
0.00018042
deg
t
p
2458546.284641566824
(2019-Mar-03.78464157)
0.0005559
TDB
period
1112.685647527278
3.05
3.6218e-05
9.916e-08
d
yr
n
.3235415148923941
1.0531e-08
deg/d
Q
2.933131900822709
6.3649e-08
au
Orbit Determination Parameters
# obs. used (total)
179
data-arc span
12993 days (35.57 yr)
first obs. used
1982-09-14
last obs. used
2018-04-11
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
1
norm. resid. RMS
.60404
source
ORB
producer
Otto Matic
solution date
2018-Apr-12 06:36:11
Additional Information
Earth MOID
= .275729 au
Jupiter MOID
= 2.49283 au
T_jup
= 3.533
[ show covariance matrix ]
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
|
Physical Parameters
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Discovery Circumstances
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Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
16.4
n/a
MPO435729
3271 Ul (1982 RB)
Discovered 1982-Sep-14 by Schuster, H.-E. at La Silla
Reference:
DISCOVERY.DB
Last Updated:
2003-08-29
[ show close-approach data ]
[
Ephemeris
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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
]
2019-Dec-06 03:33 UT
(server date/time)
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