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5436 Eumelos (1990 DK)
Classification:
Jupiter Trojan
SPK-ID:
2005436
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
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[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference:
JPL 27
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.07718349632920808
4.6798e-08
a
5.202232596872518
7.8259e-08
au
q
4.800706096328121
2.7392e-07
au
i
7.432258839216947
3.7598e-06
deg
node
253.9705842188329
4.825e-05
deg
peri
220.8412573732907
6.1349e-05
deg
M
241.1014272660632
4.0927e-05
deg
t
p
2460431.887487452854
(2024-May-01.38748745)
0.00051011
TDB
period
4333.941809681182
11.87
9.7795e-05
2.677e-07
d
yr
n
.0830652592510195
1.8744e-09
deg/d
Q
5.603759097416916
8.4299e-08
au
Orbit Determination Parameters
# obs. used (total)
1835
data-arc span
12402 days (33.95 yr)
first obs. used
1986-12-01
last obs. used
2020-11-14
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.4965
source
ORB
producer
Otto Matic
solution date
2020-Dec-18 02:22:20
Additional Information
Earth MOID
= 3.82153 au
Jupiter MOID
= .172369 au
T_jup
= 2.977
[ hide covariance matrix ]
Orbital Elements at Epoch 2457284.5 (2015-Sep-19.0) TDB
Reference:
JPL 27
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.07759207348296487
4.7067e-08
q
4.795564204478101
2.7615e-07
au
t
p
2456109.654205108815
(2012-Jul-01.15420511)
0.00045932
TDB
node
253.9805169544035
4.823e-05
deg
peri
221.4783231629154
6.1179e-05
deg
i
7.434668629355964
3.7612e-06
deg
Orbit Determination Parameters
# obs. used (total)
1835
data-arc span
12402 days (33.95 yr)
first obs. used
1986-12-01
last obs. used
2020-11-14
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.4965
source
ORB
producer
Otto Matic
solution date
2020-Dec-18 02:22:20
Additional Information
Jupiter MOID
= .172369 au
T_jup
= 2.977
Orbit Covariance (6×6)
e
q
tp
node
peri
i
e
2.215278903317965E-15
-1.258597736269036E-14
4.561236208436324E-12
-2.189412321672728E-15
3.957344442921715E-13
4.309672977149495E-16
q
-1.258597736269036E-14
7.625977246330253E-14
-1.054462600003209E-11
3.653434671021357E-14
-8.932821653239456E-13
3.763044276229663E-16
tp
4.561236208436324E-12
-1.054462600003209E-11
2.109730615631166E-7
3.364302375710195E-11
1.745264027393023E-8
1.525776952049713E-11
node
-2.189412321672728E-15
3.653434671021357E-14
3.364302375710195E-11
2.326156624873533E-9
-2.302659475135559E-9
6.712868151587463E-12
peri
3.957344442921715E-13
-8.932821653239456E-13
1.745264027393023E-8
-2.302659475135559E-9
3.742916754897663E-9
-5.326277970039491E-12
i
4.309672977149495E-16
3.763044276229663E-16
1.525776952049713E-11
6.712868151587463E-12
-5.326277970039491E-12
1.41469699680907E-11
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
10.4
n/a
MPO263396
diameter
diameter
37.696
km
0.329
urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)
rotation period
rot_per
38.41
h
n/a
LCDB (Rev. 2020-October); Warner et al., 2009
Published Reference List:
[French, L.M.; Stephens, R.D.; Coley, D.R.; Wasserman, L.H.; et al. (2013) Minor Planet Bull. 40, 198-203.]
geometric albedo
albedo
0.086
0.013
urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)
5436 Eumelos (1990 DK)
Discovered 1990-Feb-20 by Shoemaker, C. S. at Palomar
Reference:
DISCOVERY.DB
Last Updated:
2003-08-29
Alternate Designations
1990 DK
= 1986 XF2
[
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2021-Jan-27 11:58 UT
(server date/time)
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Ryan S. Park
Webmaster
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