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15662 (4064 T-2)
Classification:
Main-belt Asteroid
SPK-ID:
2015662
[
Ephemeris
|
Orbit Diagram
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Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
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Close-Approach Data
]
[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference:
JPL 31
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.0309833070846481
1.6357e-08
a
2.292521055717716
6.4299e-09
au
q
2.221491171850393
3.8474e-08
au
i
8.516693374065445
6.3985e-07
deg
node
176.7188161160443
6.1552e-06
deg
peri
321.820340151216
3.5813e-05
deg
M
85.49069771106974
3.1818e-05
deg
t
p
2458899.418003435283
(2020-Feb-19.91800344)
0.00011231
TDB
period
1267.851610354365
3.47
5.334e-06
1.46e-08
d
yr
n
.2839449010120196
1.1946e-09
deg/d
Q
2.36355093958504
6.6291e-09
au
Orbit Determination Parameters
# obs. used (total)
2246
data-arc span
17069 days (46.73 yr)
first obs. used
1973-09-19
last obs. used
2020-06-13
planetary ephem.
DE441
SB-pert. ephem.
SB441-N16
condition code
0
norm. resid. RMS
.49529
source
ORB
producer
Otto Matic
solution date
2021-Apr-13 01:05:22
Additional Information
Earth MOID
= 1.23654 au
Jupiter MOID
= 2.61477 au
T_jup
= 3.582
[ hide covariance matrix ]
Orbital Elements at Epoch 2457265.5 (2015-Aug-31.0) TDB
Reference:
JPL 31
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.0307538232916827
1.6436e-08
q
2.222384641828388
3.8711e-08
au
t
p
2457635.796884978140
(2016-Sep-04.29688498)
0.00011413
TDB
node
176.7393064383191
6.1532e-06
deg
peri
323.1404164978305
3.5896e-05
deg
i
8.517421227455719
6.3995e-07
deg
Orbit Determination Parameters
# obs. used (total)
2246
data-arc span
17069 days (46.73 yr)
first obs. used
1973-09-19
last obs. used
2020-06-13
planetary ephem.
DE441
SB-pert. ephem.
SB441-N16
condition code
0
norm. resid. RMS
.49529
source
ORB
producer
Otto Matic
solution date
2021-Apr-13 01:05:22
Additional Information
Jupiter MOID
= 2.61477 au
T_jup
= 3.582
Orbit Covariance (6×6)
e
q
tp
node
peri
i
e
2.701330220579473E-16
-6.279623830391368E-16
3.332634794218213E-14
-3.367814013337205E-14
7.098811025278838E-14
-1.970524949238427E-15
q
-6.279623830391368E-16
1.498515497779258E-15
-2.571011656905873E-13
7.95918370380514E-14
-2.199957407586719E-13
4.57581300276719E-15
tp
3.332634794218213E-14
-2.571011656905873E-13
1.302675727186028E-8
-2.879856287528421E-10
4.029824729182114E-9
-1.08288667778287E-11
node
-3.367814013337205E-14
7.95918370380514E-14
-2.879856287528421E-10
3.786218820470219E-11
-1.240541713917683E-10
4.0988997645929E-13
peri
7.098811025278838E-14
-2.199957407586719E-13
4.029824729182114E-9
-1.240541713917683E-10
1.288542666703148E-9
-3.826807623281529E-12
i
-1.970524949238427E-15
4.57581300276719E-15
-1.08288667778287E-11
4.0988997645929E-13
-3.826807623281529E-12
4.0953139329529E-13
[
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
14.29
n/a
E2021B10
diameter
diameter
2.423
km
0.410
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.756
0.115
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
15662 (4064 T-2)
Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference:
20000621/Numbers.arc
Last Updated:
2004-04-19
[ hide close-approach data ]
Close-Approach Data
...sorted by
Date/Time (TDB)
Date/Time (TDB)
Time Uncertainty
(days_HH:MM)
Body
Nominal Distance (au)
Minimum Distance (au)
Maximum Distance (au)
V-relative (km/s)
V-infinity (km/s)
JD (TDB)
Time Uncertainty (minutes)
Semi-major axis (km)
Semi-minor axis (km)
range-LOV angle (deg)
N-sigma
BP
Orbit Ref.
Reference
Modified
2087-Dec-11 08:57
00:02
Thisb
0.0445404894845606
0.0445396197127782
0.0445413600942291
4.29318063083836
4.2931805951817
2483665.872591988
2.22750569103412
377.608953648239
25.331729829247
-84.6390595428904
261761.428143084
T
31
CATAB v2.0f-lin.ifort 2021-Apr-13 01:06:16
2021-Apr-13 01:06
2088-Jan-30 12:19
< 00:01
Juno
0.0316647758670347
0.0316583792515921
0.0316711732431457
4.7112695382881
4.71126945673667
2483716.013290416
0.80593245544735
402.544026076881
33.2730519988043
37.7966992722518
87680.4000062549
T
31
CATAB v2.0f-lin.ifort 2021-Apr-13 01:06:16
2021-Apr-13 01:06
2108-May-05 12:43
< 00:01
Hebe
0.0449789154820287
0.0449689548343936
0.0449888762612147
5.67021060764028
5.67021058326501
2491116.029684634
0.38005745947053
511.258265903204
38.8779432389772
-13.8114085550467
43233.113619132
T
31
CATAB v2.0f-lin.ifort 2021-Apr-13 01:06:16
2021-Apr-13 01:06
Alternate Designations
4064 T-2
= 1989 EM12 = 1991 XZ2
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2021-Apr-16 14:47 UT
(server date/time)
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Ryan S. Park
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