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49494 (1999 CJ1)
Classification: Main-belt Asteroid          SPK-ID: 2049494
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1298719334629386 4.6603e-08  
a 2.769175028759876 1.4571e-08 au
q 2.409536913677542 1.3589e-07 au
i 10.26150750204982 3.7124e-06 deg
node 106.3814187353651 2.9917e-05 deg
peri 334.7553416170865 3.6466e-05 deg
M 277.1198759405042 2.1309e-05 deg
tp 2459388.000197856347
(2021-Jun-22.50019786)		 0.00010043 TDB
period 1683.154710629346
4.61		 1.3285e-05
3.637e-08		 d
yr
n .2138840819127037 1.6882e-09 deg/d
Q 3.12881314384221 1.6463e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1035  
   data-arc span      7948 days (21.76 yr)  
   first obs. used      1999-02-06  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5245  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:50:44  

Additional Information
 Earth MOID = 1.42987 au 
 Jupiter MOID = 2.08914 au 
 T_jup = 3.303 
[ 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 14.4   n/a MPO436130  

49494 (1999 CJ1)          Discovered 1999-Feb-06 by Kobayashi, T. at Oizumi
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1999 CJ1 = 2000 KM76 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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