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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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1298719426656029 4.8185e-08  
a 2.76917503989327 2.1301e-08 au
q 2.409536897881233 1.3744e-07 au
i 10.26150936216804 5.4419e-06 deg
node 106.3814174395769 3.0109e-05 deg
peri 334.7553499659444 3.8066e-05 deg
M 277.1198643423685 2.6961e-05 deg
tp 2459388.000254419517
(2021-Jun-22.50025442)
0.0001287 TDB
period 1683.154720779963
4.61
1.942e-05
5.317e-08
d
yr
n .2138840806228309 2.4678e-09 deg/d
Q 3.128813181905307 2.4067e-08 au
  Orbit Determination Parameters
   # obs. used (total)      778  
   data-arc span      7846 days (21.48 yr)  
   first obs. used      1999-02-06  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57612  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 04:40:35  

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

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