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JPL Small-Body Database Browser
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212999 (4330 T-3)
Classification:
Outer Main-belt Asteroid
SPK-ID:
2212999
[
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
.1645102544433259
4.8869e-08
a
3.218500914026039
2.7905e-08
au
q
2.689024509733538
1.5752e-07
au
i
5.473526129094992
5.6453e-06
deg
node
152.4446836953851
5.7667e-05
deg
peri
226.8369080259532
6.0821e-05
deg
M
57.37700063388873
1.785e-05
deg
t
p
2458264.364622665155
(2018-May-25.86462267)
0.00010349
TDB
period
2109.011180502044
5.77
2.7429e-05
7.51e-08
d
yr
n
.1706961078861152
2.22e-09
deg/d
Q
3.747977318318539
3.2496e-08
au
Orbit Determination Parameters
# obs. used (total)
359
data-arc span
15096 days (41.33 yr)
first obs. used
1977-10-11
last obs. used
2019-02-09
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.63295
source
ORB
producer
Otto Matic
solution date
2019-Jul-13 18:31:15
Additional Information
Earth MOID
= 1.69398 au
Jupiter MOID
= 1.72335 au
T_jup
= 3.161
[ hide covariance matrix ]
Orbital Elements at Epoch 2456936.5 (2014-Oct-06.0) TDB
Reference:
JPL 16
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1629830691875285
4.875e-08
q
2.694762018462878
1.5694e-07
au
t
p
2456158.327988176706
(2012-Aug-18.82798818)
0.00010281
TDB
node
152.4523919761515
5.765e-05
deg
peri
227.2229390318149
6.0866e-05
deg
i
5.472772875430548
5.6454e-06
deg
Orbit Determination Parameters
# obs. used (total)
359
data-arc span
15096 days (41.33 yr)
first obs. used
1977-10-11
last obs. used
2019-02-09
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.63295
source
ORB
producer
Otto Matic
solution date
2019-Jul-13 18:31:15
Additional Information
Jupiter MOID
= 1.72335 au
T_jup
= 3.161
Orbit Covariance (6×6)
e
q
tp
node
peri
i
e
2.376543608653219E-15
-7.566309253162734E-15
-3.50575254059155E-13
6.915245290515284E-15
-1.193591199166514E-13
-4.888860853763168E-15
q
-7.566309253162734E-15
2.463140108768098E-14
8.973081186434342E-13
-1.746597722611517E-14
3.753301678595246E-13
1.604393094619664E-14
tp
-3.50575254059155E-13
8.973081186434342E-13
1.056917103247055E-8
1.973146553122417E-11
2.039801062021115E-9
-4.107782177203391E-12
node
6.915245290515284E-15
-1.746597722611517E-14
1.973146553122417E-11
3.323575035709597E-9
-3.303228985521279E-9
-7.813848983343508E-13
peri
-1.193591199166514E-13
3.753301678595246E-13
2.039801062021115E-9
-3.303228985521279E-9
3.704703973192166E-9
1.342999714779414E-13
i
-4.888860853763168E-15
1.604393094619664E-14
-4.107782177203391E-12
-7.813848983343508E-13
1.342999714779414E-13
3.187076227080692E-11
[
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
15.3
n/a
MPO427253
212999 (4330 T-3)
Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference:
20090409/Numbers.arc
Last Updated:
2009-04-10
[ show close-approach data ]
Alternate Designations
4330 T-3
= 1997 CM15 = 2003 GZ11
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-15 08:31 UT
(server date/time)
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Ryan S. Park
Webmaster
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Alan B. Chamberlin