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JPL Small-Body Database Browser
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217P/LINEAR
Classification:
Jupiter-family Comet
[
NEO
]
SPK-ID:
1000345
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Close-Approach Data
]
[ show orbit diagram ]
Orbital Elements at Epoch 2455413.5 (2010-Aug-05.0) TDB
Reference:
JPL 128
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.6896124377441168
6.6756e-08
a
3.944212683566493
4.456e-08
au
q
1.224234559870939
2.6141e-07
au
i
12.88038541924797
4.9927e-06
deg
node
125.6209072877638
1.9564e-05
deg
peri
246.764171333605
2.992e-05
deg
M
41.52383981229764
2.0806e-06
deg
t
p
2455083.484816862273
(2009-Sep-08.98481686)
1.635e-05
TDB
period
2861.138720952209
7.83
4.8486e-05
1.327e-07
d
yr
n
.1258240285113436
2.1323e-09
deg/d
Q
6.664190807262048
7.529e-08
au
Additional Model Parameters
Parameter
Value
Uncertainty (1-sigma)
A1
[EST]
1.584372802014197E-9
3.258E-11
A2
[EST]
-1.224085867174653E-10
1.263E-11
A3
[EST]
-2.204927992313826E-12
2.272E-11
DT
[EST]
22.37552737625511
1.943
Orbit Determination Parameters
# obs. used (total)
3268
data-arc span
6117 days (16.75 yr)
first obs. used
2001-06-21
last obs. used
2018-03-21
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.59383
source
ORB
producer
Otto Matic
solution date
2018-Sep-20 18:19:41
Additional Information
Earth MOID
= .307519 au
Jupiter MOID
= .655396 au
T_jup
= 2.549
[ show covariance matrix ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
comet total magnitude
M1
13.9
1.
128
2 parameter fit from 546 observations, autocmod 2.6n
comet total magnitude slope
K1
7.
n/a
128
autocmod 2.6n
[ show close-approach data ]
Alternate Designations
Perihelion
Year
(est.)
New-Style
Desig
Roman
Numeral
Year/
Letter
2009.7
217P/2009 F3
2001.9
217P/2001 MD7
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Close-Approach Data
]
2019-Dec-14 02:44 UT
(server date/time)
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