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101840 (1999 JU65)
Classification: Main-belt Asteroid          SPK-ID: 2101840
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2222792058990523 4.3481e-08  
a 2.38879691259892 1.41e-08 au
q 1.857817031812324 1.0119e-07 au
i 5.634139629940134 4.8109e-06 deg
node 43.81606719479028 5.2461e-05 deg
peri 235.2851866496477 5.3825e-05 deg
M 210.4275915991326 1.4701e-05 deg
tp 2459560.794367195851
(2021-Dec-12.29436720)
5.7062e-05 TDB
period 1348.550674198655
3.69
1.194e-05
3.269e-08
d
yr
n .2669532609250458 2.3636e-09 deg/d
Q 2.919776793385516 1.7234e-08 au
  Orbit Determination Parameters
   # obs. used (total)      688  
   data-arc span      7609 days (20.83 yr)  
   first obs. used      1999-03-25  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55393  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:27:37  

Additional Information
 Earth MOID = .848532 au 
 Jupiter MOID = 2.23565 au 
 T_jup = 3.493 
[ 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 15.8   n/a MPO348132  
diameter diameter 4.028 km 0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101840 (1999 JU65)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 JU65 = 1999 GC49 = 2000 VY19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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