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129749 (1999 CJ137)
Classification: Outer Main-belt Asteroid          SPK-ID: 2129749
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04944781381192485 5.4194e-08  
a 3.473795534156988 3.5753e-08 au
q 3.302023939363297 1.9322e-07 au
i 5.861827098884424 5.6559e-06 deg
node 152.3721979342031 5.5187e-05 deg
peri 316.9301930230499 8.355e-05 deg
M 203.1747431834446 6.4e-05 deg
tp 2460426.692330320934
(2024-Apr-26.19233032)
0.00042822 TDB
period 2364.856569942408
6.47
3.6509e-05
9.996e-08
d
yr
n .15222910538239 2.3501e-09 deg/d
Q 3.645567128950678 3.7521e-08 au
  Orbit Determination Parameters
   # obs. used (total)      301  
   data-arc span      8166 days (22.36 yr)  
   first obs. used      1999-02-09  
   last obs. used      2021-06-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57944  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:58:54  

Additional Information
 Earth MOID = 2.3222 au 
 Jupiter MOID = 1.41274 au 
 T_jup = 3.121 
[ 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 15.17   n/a E2021B55  

129749 (1999 CJ137)          Discovered 1999-Feb-09 by Spacewatch at Kitt Peak
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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