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20941 (1341 T-2)
Classification:
Main-belt Asteroid
SPK-ID:
2020941
[
Ephemeris
|
Orbit Diagram
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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 25
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.05822661908901512
4.2731e-08
a
2.67687309386279
1.342e-08
au
q
2.521007823876808
1.1518e-07
au
i
2.749309066415769
6.2835e-06
deg
node
.5743126513454864
9.084e-05
deg
peri
85.3978694210832
0.00011681
deg
M
212.2325181780067
6.971e-05
deg
t
p
2459857.123576343357
(2022-Oct-04.62357634)
0.00030993
TDB
period
1599.705730712572
4.38
1.203e-05
3.294e-08
d
yr
n
.2250413892307817
1.6924e-09
deg/d
Q
2.832738363848772
1.4202e-08
au
Orbit Determination Parameters
# obs. used (total)
914
data-arc span
17107 days (46.84 yr)
first obs. used
1973-09-19
last obs. used
2020-07-21
planetary ephem.
DE441
SB-pert. ephem.
SB441-N16
condition code
0
norm. resid. RMS
.55676
source
ORB
producer
Otto Matic
solution date
2021-Apr-13 03:35:06
Additional Information
Earth MOID
= 1.53872 au
Jupiter MOID
= 2.27631 au
T_jup
= 3.374
[ show covariance matrix ]
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Orbit Diagram
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Orbital Elements
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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
14.92
n/a
E2021B10
diameter
diameter
2.553
km
0.262
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.357
0.197
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
20941 (1341 T-2)
Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference:
20010109/Numbers.arc
Last Updated:
2004-04-19
[ show close-approach data ]
Alternate Designations
1341 T-2
= 1995 UH46
[
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
]
2021-Apr-21 11:33 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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