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35869 (1999 JR68)
Classification: Main-belt Asteroid          SPK-ID: 2035869
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1923436899591743 2.9951e-08  
a 2.419394302518131 1.1461e-08 au
q 1.954039074905591 7.2904e-08 au
i 4.139548914989767 4.5013e-06 deg
node 79.46942253718174 5.4867e-05 deg
peri 221.5175651620525 5.6469e-05 deg
M 155.1031334906327 1.4429e-05 deg
tp 2458408.288988605319
(2018-Oct-16.78898861)
5.3696e-05 TDB
period 1374.543242963953
3.76
9.7673e-06
2.674e-08
d
yr
n .2619051832983627 1.8611e-09 deg/d
Q 2.884749530130672 1.3666e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1014  
   data-arc span      9006 days (24.66 yr)  
   first obs. used      1995-04-08  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55243  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 02:51:29  

Additional Information
 Earth MOID = .940781 au 
 Jupiter MOID = 2.34088 au 
 T_jup = 3.486 
[ 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 15.5   n/a MPO449219  
diameter diameter 4.916 km 0.138 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35869 (1999 JR68)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JR68 = 2000 UV42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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