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66273 (1999 JU7)
Classification: Main-belt Asteroid          SPK-ID: 2066273
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2365812424911341 4.0754e-08  
a 2.328395433553603 7.513e-09 au
q 1.777540748872809 9.5338e-08 au
i 1.09982089387532 3.5452e-06 deg
node 262.0424587203005 0.00022151 deg
peri 52.13230755463515 0.00022161 deg
M 284.2926395497267 6.2007e-06 deg
tp 2459273.409804998424
(2021-Feb-27.90980500)
2.2672e-05 TDB
period 1297.727581771448
3.55
6.281e-06
1.72e-08
d
yr
n .2774079899793655 1.3427e-09 deg/d
Q 2.879250118234398 9.2904e-09 au
  Orbit Determination Parameters
   # obs. used (total)      930  
   data-arc span      7645 days (20.93 yr)  
   first obs. used      1998-03-01  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .508  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:19:31  

Additional Information
 Earth MOID = .76392 au 
 Jupiter MOID = 2.4151 au 
 T_jup = 3.534 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO263854  
diameter diameter 1.381 km 0.341 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.369   0.210 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66273 (1999 JU7)          Discovered 1999-May-13 by Broughton, J. at Reedy Creek
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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