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49654 (1999 JV85)
Classification: Outer Main-belt Asteroid          SPK-ID: 2049654
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0483919600968374 4.0132e-08  
a 3.217749701957846 2.3738e-08 au
q 3.062036486779091 1.3945e-07 au
i 13.75541551848727 4.8669e-06 deg
node 71.35995560490693 2.3395e-05 deg
peri 16.38021133213605 6.8485e-05 deg
M 281.4894695546807 6.4049e-05 deg
tp 2459060.282276080496
(2020-Jul-29.78227608)
0.00037572 TDB
period 2108.272845058156
5.77
2.333e-05
6.387e-08
d
yr
n .1707558871442323 1.8895e-09 deg/d
Q 3.3734629171366 2.4887e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1091  
   data-arc span      13715 days (37.55 yr)  
   first obs. used      1982-05-16  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51558  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:22:55  

Additional Information
 Earth MOID = 2.07989 au 
 Jupiter MOID = 1.90016 au 
 T_jup = 3.143 
[ 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 13.4   n/a MPO385134  
diameter diameter 10.012 km 0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.077   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49654 (1999 JV85)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JV85 = 1982 KE2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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