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JPL Small-Body Database Browser
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266889 (2009 WW46)
Classification:
Main-belt Asteroid
SPK-ID:
2266889
[
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 16
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.05433556879485837
5.4143e-08
a
2.980611865144169
3.782e-08
au
q
2.818658624094857
1.5402e-07
au
i
10.17213554396494
5.4581e-06
deg
node
90.79101921996403
3.0846e-05
deg
peri
165.5532950255868
5.9425e-05
deg
M
95.51718744623089
5.2775e-05
deg
t
p
2458101.804337392722
(2017-Dec-14.30433739)
0.000274
TDB
period
1879.561609157331
5.15
3.5773e-05
9.794e-08
d
yr
n
.1915340248737043
3.6454e-09
deg/d
Q
3.142565106193481
3.9875e-08
au
Orbit Determination Parameters
# obs. used (total)
305
data-arc span
6831 days (18.70 yr)
first obs. used
2001-02-16
last obs. used
2019-10-31
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.59394
source
ORB
producer
Otto Matic
solution date
2019-Nov-08 04:07:12
Additional Information
Earth MOID
= 1.80408 au
Jupiter MOID
= 1.91584 au
T_jup
= 3.233
[ show covariance matrix ]
[
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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Discovery Circumstances
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Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.2
n/a
MPO454983
266889 (2009 WW46)
Discovered 2009-Nov-18 by Mt. Lemmon Survey at Mount Lemmon
Reference:
20110218/Numbers.arc
Last Updated:
2011-02-22
[ show close-approach data ]
Alternate Designations
2009 WW46
= 2006 DJ64
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-14 19:59 UT
(server date/time)
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