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85246 (1993 RL4)
Classification: Main-belt Asteroid          SPK-ID: 2085246
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1272321699027644 3.8457e-08  
a 2.421720983611298 1.1651e-08 au
q 2.113600167967375 9.4197e-08 au
i 2.040897326586342 4.9073e-06 deg
node 245.124345230906 0.00010903 deg
peri 55.98832525792366 0.00011067 deg
M 78.08302969613969 1.7503e-05 deg
tp 2458701.935107082538
(2019-Aug-06.43510708)
6.7046e-05 TDB
period 1376.526523990657
3.77
9.9337e-06
2.72e-08
d
yr
n .261527833809066 1.8873e-09 deg/d
Q 2.72984179925522 1.3133e-08 au
  Orbit Determination Parameters
   # obs. used (total)      848  
   data-arc span      9472 days (25.93 yr)  
   first obs. used      1993-09-15  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53381  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:53:40  

Additional Information
 Earth MOID = 1.09888 au 
 Jupiter MOID = 2.45963 au 
 T_jup = 3.501 
[ 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 MPO493473  
diameter diameter 5.266 km 0.146 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85246 (1993 RL4)          Discovered 1993-Sep-15 by Elst, E. W. at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1993 RL4 = 2001 VT26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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