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JPL Small-Body Database Browser
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154590 (2003 MA3)
Classification:
Apollo
[
NEO, PHA
]
SPK-ID:
2154590
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
[ show orbit diagram ]
Orbital Elements at Epoch 2457209.5 (2015-Jul-06.0) TDB
Reference:
JPL 38
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.4022047894439031
6.4132e-08
a
1.105347040405682
4.399e-09
au
q
.660771166756873
7.0957e-08
au
i
1.412937837587411
4.0267e-06
deg
node
152.6498556533086
0.00027892
deg
peri
228.9122390452903
0.0002779
deg
M
60.61390673040963
8.0668e-06
deg
t
p
2457138.031250773164
(2015-Apr-25.53125077)
9.4411e-06
TDB
period
424.4694181500926
1.16
2.5339e-06
6.937e-09
d
yr
n
.8481176372350666
5.063e-09
deg/d
Q
1.549922914054491
6.1683e-09
au
Additional Model Parameters
Parameter
Value
Uncertainty (1-sigma)
A2
[EST]
-7.25259705838562E-14
1.583E-14
ALN
[SET]
1.
n/a
NK
[SET]
0.
n/a
NM
[SET]
2.
n/a
R0
[SET]
1.
n/a
Orbit Determination Parameters
# obs. used (total)
115
data-arc span
7418 days (20.31 yr)
first obs. used
1998-01-29
last obs. used
2018-05-22
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.461
source
ORB
producer
Otto Matic
solution date
2019-Jan-14 15:30:19
Additional Information
Earth MOID
= .0131168 au
Jupiter MOID
= 3.90538 au
T_jup
= 5.551
Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2
[ show covariance matrix ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
21.7
n/a
MPO224075
diameter
diameter
0.086
km
0.002
urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2014ApJ...784..110M)
geometric albedo
albedo
0.530
0.076
urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2014ApJ...784..110M)
154590 (2003 MA3)
Discovered 2003-Jun-26 by NEAT at Haleakala
Reference:
20070402/Numbers.arc
Last Updated:
2007-04-04
[ show close-approach data ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-14 16:43 UT
(server date/time)
Site Manager:
Ryan S. Park
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