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43920 (1996 CJ2)
Classification: Main-belt Asteroid          SPK-ID: 2043920
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1010501591401022 2.0818e-08  
a 2.760590633632002 1.2394e-08 au
q 2.481632510782812 5.7151e-08 au
i 10.26113043524773 1.0348e-06 deg
node 71.88122247038451 2.392e-06 deg
peri 80.9205445868601 8.2798e-06 deg
M 185.07278952329 9.8982e-06 deg
tp 2460210.559805671992
(2023-Sep-23.05980567)
4.9319e-05 TDB
period 1675.334153235901
4.59
1.1282e-05
3.089e-08
d
yr
n .2148825052630017 1.4471e-09 deg/d
Q 3.03954875648119 1.3646e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1802  
   data-arc span      9309 days (25.49 yr)  
   first obs. used      1996-02-12  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45723  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 00:47:19  

Additional Information
 Earth MOID = 1.5185 au 
 Jupiter MOID = 2.03607 au 
 T_jup = 3.311 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.46   n/a MPO636692  

43920 (1996 CJ2)          Discovered 1996-Feb-12 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1996 CJ2 = 1999 WO2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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