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173112 (4327 T-2)
Classification:
Main-belt Asteroid
SPK-ID:
2173112
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference:
JPL 17
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1413189002698259
5.3321e-08
a
2.60866207260891
1.813e-08
au
q
2.240008817332214
1.4512e-07
au
i
10.73489011106061
5.5925e-06
deg
node
19.71632521797578
2.2485e-05
deg
peri
335.7566302328385
2.7965e-05
deg
M
36.64751055180113
1.6146e-05
deg
t
p
2458843.836746791989
(2019-Dec-26.33674679)
6.8407e-05
TDB
period
1538.952313695755
4.21
1.6044e-05
4.393e-08
d
yr
n
.2339253768919383
2.4387e-09
deg/d
Q
2.977315327885606
2.0693e-08
au
Orbit Determination Parameters
# obs. used (total)
578
data-arc span
17214 days (47.13 yr)
first obs. used
1973-09-29
last obs. used
2020-11-15
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.52042
source
ORB
producer
Otto Matic
solution date
2020-Dec-17 23:25:51
Additional Information
Earth MOID
= 1.24115 au
Jupiter MOID
= 2.48229 au
T_jup
= 3.372
[ hide covariance matrix ]
Orbital Elements at Epoch 2457333.5 (2015-Nov-07.0) TDB
Reference:
JPL 17
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1434522943043277
5.3503e-08
q
2.234220429624797
1.4595e-07
au
t
p
2457303.981380329627
(2015-Oct-08.48138033)
6.253e-05
TDB
node
19.77473196261407
2.2441e-05
deg
peri
335.5569526962663
2.772e-05
deg
i
10.74932935380809
5.5989e-06
deg
Orbit Determination Parameters
# obs. used (total)
578
data-arc span
17214 days (47.13 yr)
first obs. used
1973-09-29
last obs. used
2020-11-15
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.52042
source
ORB
producer
Otto Matic
solution date
2020-Dec-17 23:25:51
Additional Information
Jupiter MOID
= 2.48229 au
T_jup
= 3.372
Orbit Covariance (6×6)
e
q
tp
node
peri
i
e
2.862521621407813E-15
-7.769343853640444E-15
-2.167137885566249E-13
-1.205466461374131E-15
-6.110078833423237E-14
-5.498924466900228E-15
q
-7.769343853640444E-15
2.13019261203751E-14
7.021847518562551E-13
2.466664056056739E-15
1.90441500726692E-13
1.519611084880305E-14
tp
-2.167137885566249E-13
7.021847518562551E-13
3.910018671020805E-9
-1.262041202409043E-12
1.030946610601662E-9
1.368871380727205E-13
node
-1.205466461374131E-15
2.466664056056739E-15
-1.262041202409043E-12
5.036136387725576E-10
-4.94520768413659E-10
-2.452957165478101E-11
peri
-6.110078833423237E-14
1.90441500726692E-13
1.030946610601662E-9
-4.94520768413659E-10
7.683943158774006E-10
2.424983672181014E-11
i
-5.498924466900228E-15
1.519611084880305E-14
1.368871380727205E-13
-2.452957165478101E-11
2.424983672181014E-11
3.134816259739719E-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
15.5
n/a
MPO433111
173112 (4327 T-2)
Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference:
20071224/Numbers.arc
Last Updated:
2007-12-22
[ show close-approach data ]
Alternate Designations
4327 T-2
= 2005 ER182 = 2007 TM160
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2021-Jan-17 07:51 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin
