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JPL Small-Body Database Browser
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24617 (1978 WU)
Classification:
Main-belt Asteroid
SPK-ID:
2024617
[
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 26
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.20283350419432
6.1704e-08
a
2.545220469950818
1.0243e-08
au
q
2.02896448308358
1.6077e-07
au
i
8.621694705659307
3.2003e-06
deg
node
239.9245338701428
3.8616e-05
deg
peri
107.6612304488681
3.9838e-05
deg
M
39.15990882003194
1.0386e-05
deg
t
p
2458439.166071478144
(2018-Nov-16.66607148)
4.2392e-05
TDB
period
1483.154992387463
4.06
8.9533e-06
2.451e-08
d
yr
n
.2427258121017421
1.4653e-09
deg/d
Q
3.061476456818057
1.2321e-08
au
Orbit Determination Parameters
# obs. used (total)
1260
data-arc span
14983 days (41.02 yr)
first obs. used
1978-11-29
last obs. used
2019-12-07
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.52512
source
ORB
producer
Otto Matic
solution date
2019-Dec-14 01:12:50
Additional Information
Earth MOID
= 1.04203 au
Jupiter MOID
= 2.4523 au
T_jup
= 3.399
[ show covariance matrix ]
[
Ephemeris
|
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
14.5
n/a
MPO449138
diameter
diameter
3.117
km
0.138
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.231
0.038
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)
24617 (1978 WU)
Discovered 1978-Nov-29 by Bus, S. J., Kowal, C. T. at Palomar
Reference:
20010606/Numbers.arc
Last Updated:
2004-04-19
[ show close-approach data ]
Alternate Designations
1978 WU
= 1982 XJ2
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-15 20:11 UT
(server date/time)
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Ryan S. Park
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