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19864 (2775 P-L)
Classification:
Main-belt Asteroid
SPK-ID:
2019864
[
Ephemeris
|
Orbit Diagram
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Orbital Elements
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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 28
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1982102330385453
3.6191e-08
a
2.371930186363919
1.1037e-08
au
q
1.901789351373566
8.6276e-08
au
i
3.05690751599977
4.9517e-06
deg
node
61.94580065311813
8.7663e-05
deg
peri
218.9172080222113
8.894e-05
deg
M
241.9660898847811
1.7819e-05
deg
t
p
2459637.977350903449
(2022-Feb-27.47735090)
6.7607e-05
TDB
period
1334.293222782384
3.65
9.313e-06
2.55e-08
d
yr
n
.2698057622216627
1.8832e-09
deg/d
Q
2.842071021354272
1.3225e-08
au
Orbit Determination Parameters
# obs. used (total)
855
data-arc span
22002 days (60.24 yr)
first obs. used
1960-09-24
last obs. used
2020-12-20
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.56014
source
ORB
producer
Otto Matic
solution date
2021-Feb-24 02:45:05
Additional Information
Earth MOID
= .88465 au
Jupiter MOID
= 2.30014 au
T_jup
= 3.515
[ show covariance matrix ]
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Orbit Diagram
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Orbital Elements
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Close-Approach Data
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.4
n/a
MPO302187
diameter
diameter
2.086
km
0.347
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.338
0.144
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
19864 (2775 P-L)
Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference:
20001211/Numbers.arc
Last Updated:
2004-04-19
[ show close-approach data ]
Alternate Designations
2775 P-L
= 2000 SW241
[
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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Close-Approach Data
]
2021-Apr-12 20:48 UT
(server date/time)
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Ryan S. Park
Webmaster
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