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66295 (1999 JC29)
Classification: Main-belt Asteroid          SPK-ID: 2066295
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1419693256655314 3.0572e-08  
a 2.304978947218475 7.3637e-09 au
q 1.977742640408622 7.2504e-08 au
i 8.076085273574554 3.573e-06 deg
node 251.1048236650262 2.689e-05 deg
peri 34.1430133457515 3.0817e-05 deg
M 16.09986529927011 1.4636e-05 deg
tp 2459143.336526149893
(2020-Oct-20.83652615)
5.1943e-05 TDB
period 1278.200171461763
3.50
6.1252e-06
1.677e-08
d
yr
n .2816460269977121 1.3497e-09 deg/d
Q 2.632215254028329 8.4092e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1350  
   data-arc span      7792 days (21.33 yr)  
   first obs. used      1999-05-09  
   last obs. used      2020-09-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50142  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:20:57  

Additional Information
 Earth MOID = .965186 au 
 Jupiter MOID = 2.50126 au 
 T_jup = 3.562 
[ 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 15.20   n/a E2021B10  
rotation period rot_per 5.551 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

66295 (1999 JC29)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JC29 = 2000 UQ96 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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