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JPL Small-Body Database Browser
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85874 (1999 CJ4)
Classification: Main-belt Asteroid          SPK-ID: 2085874
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1214398166253161 3.0432e-08  
a 2.245275441641787 8.8077e-09 au
q 1.972609603735483 6.8211e-08 au
i 7.011694226461384 3.6379e-06 deg
node 108.5286080430777 3.5241e-05 deg
peri 316.2655425455122 4.0337e-05 deg
M 78.33253727013985 1.9592e-05 deg
tp 2458333.111601947566
(2018-Aug-02.61160195)
6.6531e-05 TDB
period 1228.861296384562
3.36
7.2308e-06
1.98e-08
d
yr
n .2929541365320541 1.7238e-09 deg/d
Q 2.517941279548091 9.8773e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1097  
   data-arc span      7393 days (20.24 yr)  
   first obs. used      1999-02-09  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5415  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:56:07  

Additional Information
 Earth MOID = .992996 au 
 Jupiter MOID = 2.73948 au 
 T_jup = 3.612 
[ show covariance matrix ]

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 15.3   n/a MPO417415  

85874 (1999 CJ4)          Discovered 1999-Feb-09 by Kobayashi, T. at Oizumi
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1999 CJ4 = 2001 XQ62 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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