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JPL Small-Body Database Browser
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105538 (2000 RF39)
Classification: Main-belt Asteroid          SPK-ID: 2105538
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1367235238207402 5.8646e-08  
a 3.149612272149566 2.295e-08 au
q 2.718986183632229 1.8054e-07 au
i 12.71055396928761 4.7179e-06 deg
node 285.8778029371683 2.7229e-05 deg
peri 82.85452681723136 3.1869e-05 deg
M 183.3586207429689 1.7681e-05 deg
tp 2460002.283822665204
(2023-Feb-26.78382266)
0.00010454 TDB
period 2041.663044505005
5.59
2.2315e-05
6.11e-08
d
yr
n .176326843437224 1.9272e-09 deg/d
Q 3.580238360666903 2.6087e-08 au
  Orbit Determination Parameters
   # obs. used (total)      636  
   data-arc span      7084 days (19.39 yr)  
   first obs. used      2000-09-05  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51971  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 02:24:36  

Additional Information
 Earth MOID = 1.75502 au 
 Jupiter MOID = 2.02675 au 
 T_jup = 3.156 
[ 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 14.3   n/a MPO432577  
diameter diameter 8.999 km 1.435 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

105538 (2000 RF39)          Discovered 2000-Sep-05 by Hug, G. at Farpoint
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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