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JPL Small-Body Database Browser
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85909 (1999 CJ85)
Classification: Main-belt Asteroid          SPK-ID: 2085909
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03835085592585344 2.9218e-08  
a 2.222457156866072 8.9292e-09 au
q 2.13722402264172 6.4882e-08 au
i 6.414215480316764 3.3956e-06 deg
node 105.6040620646619 4.2643e-05 deg
peri 352.8222763243784 8.1771e-05 deg
M 62.35319903778988 6.9491e-05 deg
tp 2458390.893492127948
(2018-Sep-29.39349213)
0.00023338 TDB
period 1210.175965281367
3.31
7.2932e-06
1.997e-08
d
yr
n .2974774002525325 1.7928e-09 deg/d
Q 2.307690291090425 9.2717e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1017  
   data-arc span      7497 days (20.53 yr)  
   first obs. used      1998-10-28  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55069  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:56:11  

Additional Information
 Earth MOID = 1.15437 au 
 Jupiter MOID = 2.73985 au 
 T_jup = 3.639 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456868.5 (2014-Jul-30.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03805282085726785 2.9301e-08  
q 2.138108360344163 6.5007e-08 au
tp 2457183.086372679032
(2015-Jun-09.58637268)
0.00023372 TDB
node 105.6389006251498 4.2623e-05 deg
peri 353.5953816892657 8.2107e-05 deg
i 6.4154177387499 3.3965e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1017  
   data-arc span      7497 days (20.53 yr)  
   first obs. used      1998-10-28  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55069  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:56:11  

Additional Information
 Jupiter MOID = 2.73985 au 
 T_jup = 3.639 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.585319704504322E-16 -1.888196668918718E-15 3.545841184216852E-13 -3.748890127095989E-15 1.110192813375428E-13 1.353648579081942E-16
q -1.888196668918718E-15 4.225856685961043E-15 -5.242510493706198E-13 8.612201898272385E-15 -1.726528395706987E-13 -1.303782257696812E-16
tp 3.545841184216852E-13 -5.242510493706198E-13 5.462354227706419E-8 -1.69573020454979E-11 1.642592118705954E-8 1.025920363408937E-12
node -3.748890127095989E-15 8.612201898272385E-15 -1.69573020454979E-11 1.816724381649771E-9 -1.810297496114395E-9 1.832128119483941E-11
peri 1.110192813375428E-13 -1.726528395706987E-13 1.642592118705954E-8 -1.810297496114395E-9 6.741606414391006E-9 -1.789828121142134E-11
i 1.353648579081942E-16 -1.303782257696812E-16 1.025920363408937E-12 1.832128119483941E-11 -1.789828121142134E-11 1.153611196639661E-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 15.7   n/a MPO320054  

85909 (1999 CJ85)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1999 CJ85 = 2001 WF36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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