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66268 (1999 JJ3)
Classification: Main-belt Asteroid          SPK-ID: 2066268
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1380837756688336 3.7802e-08  
a 2.300826434062856 8.6701e-09 au
q 1.983119632888798 8.6827e-08 au
i 7.453340120839183 3.8076e-06 deg
node 94.36584910375564 2.9946e-05 deg
peri 265.4178051961336 3.3069e-05 deg
M 251.6146318313128 1.4985e-05 deg
tp 2459384.288865451075
(2021-Jun-18.78886545)
5.3692e-05 TDB
period 1274.747633346167
3.49
7.2054e-06
1.973e-08
d
yr
n .2824088396657877 1.5963e-09 deg/d
Q 2.618533235236913 9.8673e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1864  
   data-arc span      12115 days (33.17 yr)  
   first obs. used      1986-11-06  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47855  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 10:48:12  

Additional Information
 Earth MOID = .996201 au 
 Jupiter MOID = 2.83863 au 
 T_jup = 3.568 
[ 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 14.3   n/a MPO474541  
diameter diameter 3.022 km 0.285 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.486   0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66268 (1999 JJ3)          Discovered 1999-May-07 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JJ3 = 1986 VC6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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