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JPL Small-Body Database Browser
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437851 (1999 TT278)
Classification:
Main-belt Asteroid
SPK-ID:
2437851
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference:
JPL 7
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.2876087612369351
6.8016e-08
a
2.645929932857808
2.014e-08
au
q
1.884937302548847
1.8675e-07
au
i
12.86619971371338
7.5368e-06
deg
node
219.2292444441985
2.4149e-05
deg
peri
179.276930318555
2.8043e-05
deg
M
195.2015863979699
1.1508e-05
deg
t
p
2459320.141933863029
(2021-Apr-15.64193386)
5.4839e-05
TDB
period
1572.048483526781
4.30
1.7949e-05
4.914e-08
d
yr
n
.229000570766345
2.6147e-09
deg/d
Q
3.406922563166769
2.5933e-08
au
Orbit Determination Parameters
# obs. used (total)
164
data-arc span
7157 days (19.59 yr)
first obs. used
1999-10-06
last obs. used
2019-05-11
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.69372
source
ORB
producer
Otto Matic
solution date
2019-May-30 10:10:44
Additional Information
Earth MOID
= .892164 au
Jupiter MOID
= 2.01919 au
T_jup
= 3.298
[ 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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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
16.9
n/a
MPO450438
diameter
diameter
2.090
km
0.611
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)
geometric albedo
albedo
0.064
0.057
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)
437851 (1999 TT278)
Discovered 1999-Oct-06 by LINEAR at Socorro
Reference:
Last Updated:
2015-07-06
[
Ephemeris
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Orbit Diagram
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Orbital Elements
|
Mission Design
|
Physical Parameters
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Discovery Circumstances
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2019-Dec-08 09:02 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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Alan B. Chamberlin