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164P/Christensen
Classification: Jupiter-family Comet          SPK-ID: 1000535
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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:
Orbital Elements at Epoch 2456968.5 (2014-Nov-07.0) TDB
Reference: JPL K182/7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .540332492804741 1.7052e-07  
a 3.657489779642913 6.2282e-08 au
q 1.681229209600595 6.2488e-07 au
i 16.26213070048014 1.8338e-05 deg
node 88.30717883567652 0.00010365 deg
peri 326.0034128042065 0.00012158 deg
M 176.7038905320413 3.5627e-05 deg
tp 2455714.444608926531
(2011-Jun-01.94460893)
0.00025279 TDB
period 2554.895307778108
6.99
6.526e-05
1.787e-07
d
yr
n .1409059693773041 3.5992e-09 deg/d
Q 5.633750349685232 9.5935e-08 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
ALN [SET] .0408373333128795 n/a
NK [SET] 2.6 n/a
NM [SET] 2. n/a
NN [SET] 3. n/a
R0 [SET] 5. n/a
  Orbit Determination Parameters
   # obs. used (total)      1208  
   data-arc span      3406 days (9.33 yr)  
   first obs. used      2010-10-07  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69746  
   source      ORB  
   producer      Javier Roa  
   solution date      2020-Feb-05 17:54:21  

Additional Information
 Earth MOID = .717461 au 
 Jupiter MOID = .284224 au 
 T_jup = 2.777 
[ 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 14.3   0.7 K182/7 2 parameter fit from 427 observations, autocmod 2.8
comet total magnitude slope K1 4.5   n/a K182/7 autocmod 2.8

[ 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
1934-Nov-24 11:07 00:04 Jupiter 1.52380839704963 1.52379191336075 1.52382488082678 7.45559332479381 7.38066080718157 2427765.963270033 3.79665841118897 1039.21965796787 328.375057047645 -41.149668444173 370330.527346855 T K182/7 CATAB v2.0f-lin.ifort 2020-Feb-05 18:02:02 2020-Feb-05 18:02
1959-Nov-01 18:21 00:06 Jupiter 1.63505296516249 1.63502615415241 1.63507977620037 9.61655228933537 9.56253095826178 2436874.264504526 5.99449748018686 1382.5093661061 350.021587367259 -16.4211513041479 173202.724742067 T K182/7 CATAB v2.0f-lin.ifort 2020-Feb-05 18:02:02 2020-Feb-05 18:02
1995-Aug-02 21:31 00:02 Jupiter 0.897800055296913 0.897791849234461 0.897808261361457 7.70663517457692 7.58322762339416 2449932.396489989 1.88583838882124 456.469279623532 368.42767141645 -50.9733917538103 265533.416082004 T K182/7 CATAB v2.0f-lin.ifort 2020-Feb-05 18:02:02 2020-Feb-05 18:02
2041-Dec-10 20:08 00:04 Jupiter 1.11705667001443 1.11704604524726 1.11706729478261 5.82820471996383 5.69661694889017 2466864.338923144 3.98987355213822 533.528385829286 253.35975076593 -9.53782534921884 319247.09181115 T K182/7 CATAB v2.0f-lin.ifort 2020-Feb-05 18:02:02 2020-Feb-05 18:02
2077-Jul-11 02:45 00:05 Jupiter 1.12207370389372 1.12206939862126 1.12207800920637 5.82595405842764 5.69490964010535 2479860.614607030 4.62871580288641 934.495671040988 201.203724151639 -86.1938610601182 991712.26360248 T K182/7 CATAB v2.0f-lin.ifort 2020-Feb-05 18:02:02 2020-Feb-05 18:02
2137-Dec-27 14:17 00:02 Jupiter 0.448417306583951 0.448390351093029 0.448444262056112 6.67734930614423 6.38820493124964 2501944.094802971 2.25494025770977 1335.31308426754 129.805767449838 7.93953986453481 70688.7555326262 T K182/7 CATAB v2.0f-lin.ifort 2020-Feb-05 18:02:02 2020-Feb-05 18:02
2148-Dec-14 06:22 00:03 Jupiter 1.8423036648459 1.84218733483779 1.84241999595591 9.0612953571437 9.01041331682486 2505948.765554881 2.89032049425397 6223.14999017623 89.8785575783036 -22.1378120984208 954893.302621483 T K182/7 CATAB v2.0f-lin.ifort 2020-Feb-05 18:02:02 2020-Feb-05 18:02
2185-May-15 22:26 00:34 Jupiter 1.0879444423051 1.08751742861406 1.08837145353383 8.08953403093225 7.99271259598252 2519250.434519824 34.3435174588951 21133.0497010717 130.133033735098 -2.41318795756196 35897.6885059283 T K182/7 CATAB v2.0f-lin.ifort 2020-Feb-05 18:02:02 2020-Feb-05 18:02
2196-Jun-23 06:23 00:05 Jupiter 0.975551736382041 0.975502635813805 0.975600841034884 6.40479992542293 6.26777174578861 2523306.765831677 5.30511246481412 4020.38987706221 160.871222638493 -53.8046885502727 815223.604553493 T K182/7 CATAB v2.0f-lin.ifort 2020-Feb-05 18:02:02 2020-Feb-05 18:02

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2004.4   164P/2004 Y1       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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