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117867 (2127 P-L)
Classification:
Main-belt Asteroid
SPK-ID:
2117867
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference:
JPL 20
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.168491996902065
4.3303e-08
a
3.055172602357211
2.1499e-08
au
q
2.540400469705566
1.3306e-07
au
i
2.53310949440459
5.0722e-06
deg
node
314.5218558773308
0.00011776
deg
peri
30.71068312926416
0.00011879
deg
M
125.8951745543256
1.5568e-05
deg
t
p
2458518.383371798689
(2019-Feb-03.88337180)
8.3306e-05
TDB
period
1950.527389328242
5.34
2.0588e-05
5.637e-08
d
yr
n
.1845654677650967
1.9481e-09
deg/d
Q
3.569944735008856
2.5121e-08
au
Orbit Determination Parameters
# obs. used (total)
434
data-arc span
22022 days (60.29 yr)
first obs. used
1960-09-24
last obs. used
2021-01-09
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.51566
source
ORB
producer
Otto Matic
solution date
2021-Feb-24 09:18:10
Additional Information
Earth MOID
= 1.53165 au
Jupiter MOID
= 1.84739 au
T_jup
= 3.212
[ hide covariance matrix ]
Orbital Elements at Epoch 2457159.5 (2015-May-17.0) TDB
Reference:
JPL 20
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1707789000191455
4.4184e-08
q
2.531184291949555
1.3602e-07
au
t
p
2456555.453018377528
(2013-Sep-19.95301838)
7.9188e-05
TDB
node
315.1535177497918
0.00011628
deg
peri
28.11829242414414
0.00011731
deg
i
2.556004265013267
5.0953e-06
deg
Orbit Determination Parameters
# obs. used (total)
434
data-arc span
22022 days (60.29 yr)
first obs. used
1960-09-24
last obs. used
2021-01-09
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.51566
source
ORB
producer
Otto Matic
solution date
2021-Feb-24 09:18:10
Additional Information
Jupiter MOID
= 1.84739 au
T_jup
= 3.212
Orbit Covariance (6×6)
e
q
tp
node
peri
i
e
1.95222403309845E-15
-5.959656417009002E-15
-1.718420635228589E-13
3.203843796658178E-15
-4.474600439062053E-14
-3.529622019768674E-16
q
-5.959656417009002E-15
1.850189088373748E-14
4.502000067414058E-13
-1.911138470010546E-14
1.53279534125274E-13
1.627062502875295E-15
tp
-1.718420635228589E-13
4.502000067414058E-13
6.270753231437641E-9
-1.660185900556967E-11
1.269314643097543E-9
5.145328380007859E-13
node
3.203843796658178E-15
-1.911138470010546E-14
-1.660185900556967E-11
1.352022215534469E-8
-1.350765394241386E-8
-2.928660974469862E-11
peri
-4.474600439062053E-14
1.53279534125274E-13
1.269314643097543E-9
-1.350765394241386E-8
1.376048843446383E-8
2.930559519947858E-11
i
-3.529622019768674E-16
1.627062502875295E-15
5.145328380007859E-13
-2.928660974469862E-11
2.930559519947858E-11
2.596223433449098E-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
15.60
n/a
E2021B55
117867 (2127 P-L)
Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference:
20051019/Numbers.arc
Last Updated:
2005-10-26
[ show close-approach data ]
Alternate Designations
2127 P-L
= 2003 WD79
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2021-Mar-02 18:40 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin
