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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2695857308970595 5.574e-08  
a 2.786150655797708 1.8606e-08 au
q 2.035044194865161 1.5462e-07 au
i 18.47557702803267 4.6538e-06 deg
node 96.26622330190239 1.7314e-05 deg
peri 276.2824212576602 1.8548e-05 deg
M 1.17685811673746 9.0952e-06 deg
tp 2458594.947009536202
(2019-Apr-21.44700954)
4.2888e-05 TDB
period 1698.655546098565
4.65
1.7016e-05
4.659e-08
d
yr
n .2119323136623197 2.1229e-09 deg/d
Q 3.537257116730255 2.3622e-08 au
  Orbit Determination Parameters
   # obs. used (total)      960  
   data-arc span      7356 days (20.14 yr)  
   first obs. used      1998-04-02  
   last obs. used      2018-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53807  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 14:27:19  

Additional Information
 Earth MOID = 1.13067 au 
 Jupiter MOID = 2.28915 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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