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JPL Small-Body Database Browser
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441814 (2009 KP23)
Classification:
Main-belt Asteroid
SPK-ID:
2441814
[
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 9
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.09284620022240593
6.1181e-08
a
3.012029499101147
6.4867e-08
au
q
2.732374005151809
1.7936e-07
au
i
11.31548694235233
6.1125e-06
deg
node
93.89045643436704
3.8274e-05
deg
peri
223.403841899852
5.6845e-05
deg
M
250.4367833238759
4.4163e-05
deg
t
p
2459181.598202105687
(2020-Nov-28.09820211)
0.00024359
TDB
period
1909.357529876492
5.23
6.168e-05
1.689e-07
d
yr
n
.1885450966447791
6.0908e-09
deg/d
Q
3.291684993050485
7.089e-08
au
Orbit Determination Parameters
# obs. used (total)
120
data-arc span
4530 days (12.40 yr)
first obs. used
2006-12-10
last obs. used
2019-05-06
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.57183
source
ORB
producer
Otto Matic
solution date
2019-May-30 10:13:04
Additional Information
Earth MOID
= 1.72966 au
Jupiter MOID
= 1.94972 au
T_jup
= 3.213
[ hide covariance matrix ]
Orbital Elements at Epoch 2457370.5 (2015-Dec-14.0) TDB
Reference:
JPL 9
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.09226564257703004
6.135e-08
q
2.735672380152086
1.7978e-07
au
t
p
2457274.345730143152
(2015-Sep-08.84573014)
0.00021884
TDB
node
93.90119392963732
3.8283e-05
deg
peri
223.8723715458594
5.6991e-05
deg
i
11.31247808689688
6.1106e-06
deg
Orbit Determination Parameters
# obs. used (total)
120
data-arc span
4530 days (12.40 yr)
first obs. used
2006-12-10
last obs. used
2019-05-06
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.57183
source
ORB
producer
Otto Matic
solution date
2019-May-30 10:13:04
Additional Information
Jupiter MOID
= 1.94972 au
T_jup
= 3.213
Orbit Covariance (6×6)
e
q
tp
node
peri
i
e
3.763770734652489E-15
-1.045073382064063E-14
3.713112027094044E-12
5.252188849369247E-14
8.025280349040421E-13
2.958734575084705E-15
q
-1.045073382064063E-14
3.231926936143216E-14
-7.290509939614767E-12
-1.499153707547189E-13
-1.619242998759338E-12
7.611115259193361E-16
tp
3.713112027094044E-12
-7.290509939614767E-12
4.789149246576365E-8
1.622228919299209E-11
9.326917737682418E-9
3.800678093076194E-11
node
5.252188849369247E-14
-1.499153707547189E-13
1.622228919299209E-11
1.465564044082698E-9
-1.431571475535552E-9
-4.776015833074843E-11
peri
8.025280349040421E-13
-1.619242998759338E-12
9.326917737682418E-9
-1.431571475535552E-9
3.247944386089788E-9
5.420862149397857E-11
i
2.958734575084705E-15
7.611115259193361E-16
3.800678093076194E-11
-4.776015833074843E-11
5.420862149397857E-11
3.733950231806082E-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
16.1
n/a
MPO434639
441814 (2009 KP23)
Discovered 2009-Mar-31 by Mt. Lemmon Survey at Mount Lemmon
Reference:
Last Updated:
2015-09-02
[ show close-approach data ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-05 20:09 UT
(server date/time)
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