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35918 (1999 JL99)
Classification: Main-belt Asteroid          SPK-ID: 2035918
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2698360338976064 5.2576e-08  
a 2.786693506154532 1.7341e-08 au
q 2.034743182765578 1.4513e-07 au
i 18.47566535826062 4.6333e-06 deg
node 96.2657035272065 1.6344e-05 deg
peri 276.2802355601218 1.7724e-05 deg
M 85.91671039140037 9.3229e-06 deg
tp 2458594.984578602575
(2019-Apr-21.48457860)
4.2041e-05 TDB
period 1699.15201638918
4.65
1.586e-05
4.342e-08
d
yr
n .2118703897753809 1.9776e-09 deg/d
Q 3.538643829543486 2.202e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1080  
   data-arc span      7948 days (21.76 yr)  
   first obs. used      1998-04-02  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51656  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 05:12:51  

Additional Information
 Earth MOID = 1.13102 au 
 Jupiter MOID = 2.2903 au 
 T_jup = 3.204 
[ 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 13.7   n/a MPO412440  
diameter diameter 4.469 km 0.979 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.308   0.155 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

35918 (1999 JL99)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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