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JPL Small-Body Database Browser
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66284 (1999 JU15)
Classification: Main-belt Asteroid          SPK-ID: 2066284
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1872886737694426 3.5306e-08  
a 2.265611258578482 8.0816e-09 au
q 1.8412879306822 7.8794e-08 au
i 6.2570259601071 4.063e-06 deg
node 70.13175156914082 3.3083e-05 deg
peri 290.5640031623727 3.4951e-05 deg
M 314.5092051912996 1.4002e-05 deg
tp 2459157.897395680296
(2020-Nov-04.39739568)
4.8892e-05 TDB
period 1245.594030246957
3.41
6.6647e-06
1.825e-08
d
yr
n .2890187262126047 1.5464e-09 deg/d
Q 2.689934586474763 9.5952e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1900  
   data-arc span      30511 days (83.53 yr)  
   first obs. used      1935-10-28  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46526  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:27:49  

Additional Information
 Earth MOID = .849933 au 
 Jupiter MOID = 2.78038 au 
 T_jup = 3.585 
[ 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 13.8   n/a MPO366011  
diameter diameter 4.754 km 0.166 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.259   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

66284 (1999 JU15)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JU15 = 1935 UT = 2000 RS9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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