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2691 Sersic (1974 KB)
Classification:
Main-belt Asteroid
SPK-ID:
2002691
[
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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[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference:
JPL 40
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.11222384646725
2.8616e-08
a
2.244789088008946
6.5924e-09
au
q
1.992870222044872
6.364e-08
au
i
3.593635809014914
3.5123e-06
deg
node
319.8357479594012
5.0808e-05
deg
peri
277.1221428944003
5.3854e-05
deg
M
245.7965268402657
1.9718e-05
deg
t
p
2459390.207309664367
(2021-Jun-24.70730966)
6.7818e-05
TDB
period
1228.462038829105
3.36
5.4115e-06
1.482e-08
d
yr
n
.2930493483894139
1.2909e-09
deg/d
Q
2.49670795397302
7.3322e-09
au
Orbit Determination Parameters
# obs. used (total)
2801
data-arc span
25796 days (70.63 yr)
first obs. used
1950-03-21
last obs. used
2020-11-04
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.45525
source
ORB
producer
Otto Matic
solution date
2020-Dec-18 02:07:49
Additional Information
Earth MOID
= .984854 au
Jupiter MOID
= 2.51249 au
T_jup
= 3.621
[ show covariance matrix ]
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
13.2
n/a
MPO439090
diameter
diameter
5.438
km
0.119
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
rotation period
rot_per
3.8811
h
n/a
LCDB (Rev. 2020-October); Warner et al., 2009
Published Reference List:
[Oey, J.; Pravec, P.; Kusnirak, P.; Morales, N.; et al. (2011) CBET 2766.]
[Oey, J. (2016) Minor Planet Bull. 43, 45-51.]
geometric albedo
albedo
0.261
0.062
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
2691 Sersic (1974 KB)
Discovered 1974-May-18 by Felix Aguilar Observatory at El Leoncito
Reference:
DISCOVERY.DB
Last Updated:
2003-08-29
Alternate Designations
1974 KB
= 1938 UU = 1978 QR1
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Physical Parameters
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2021-Jan-26 00:56 UT
(server date/time)
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Ryan S. Park
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