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JPL Small-Body Database Browser
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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1417352392140745 3.7319e-08  
a 2.304335166047063 8.9952e-09 au
q 1.977729670057979 8.5192e-08 au
i 8.077894789257373 3.6971e-06 deg
node 251.1123980283845 3.5491e-05 deg
peri 34.21814525651993 3.9202e-05 deg
M 319.6910339588553 1.845e-05 deg
tp 2459143.559286843432
(2020-Oct-21.05928684)
6.5811e-05 TDB
period 1277.664706434455
3.50
7.4812e-06
2.048e-08
d
yr
n .2817640639105095 1.6498e-09 deg/d
Q 2.630940662036148 1.027e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1091  
   data-arc span      7203 days (19.72 yr)  
   first obs. used      1999-05-09  
   last obs. used      2019-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52488  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:41:33  

Additional Information
 Earth MOID = .967071 au 
 Jupiter MOID = 2.5036 au 
 T_jup = 3.563 
[ 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 15.1   n/a MPO432215  
rotation period rot_per 5.551 h n/a LCDB (Rev. 2019-August); 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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