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JPL Small-Body Database Browser
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74977 (1999 TC233)
Classification:
Main-belt Asteroid
SPK-ID:
2074977
[
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 25
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.07359386159507658
4.0849e-08
a
2.442647884034824
1.2164e-08
au
q
2.262883993731659
9.9969e-08
au
i
14.88660307838572
4.1871e-06
deg
node
113.4851057883795
1.8291e-05
deg
peri
295.884291006967
3.8244e-05
deg
M
36.19470194653733
3.2153e-05
deg
t
p
2458460.305095061477
(2018-Dec-07.80509506)
0.00012464
TDB
period
1394.407553139047
3.82
1.0416e-05
2.852e-08
d
yr
n
.2581741609112624
1.9285e-09
deg/d
Q
2.62241177433799
1.3059e-08
au
Orbit Determination Parameters
# obs. used (total)
984
data-arc span
7108 days (19.46 yr)
first obs. used
1999-09-14
last obs. used
2019-03-01
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.51163
source
ORB
producer
Otto Matic
solution date
2019-Jul-13 07:24:16
Additional Information
Earth MOID
= 1.31428 au
Jupiter MOID
= 2.62908 au
T_jup
= 3.451
[ 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
14.9
n/a
MPO453162
diameter
diameter
2.641
km
0.955
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.278
0.159
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
74977 (1999 TC233)
Discovered 1999-Oct-07 by CSS at Catalina
Reference:
20040415/Numbers.arc
Last Updated:
2004-04-19
[ show close-approach data ]
[
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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Close-Approach Data
]
2019-Dec-06 18:44 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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Alan B. Chamberlin