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102070 (1999 RH139)
Classification: Main-belt Asteroid          SPK-ID: 2102070
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2286585040612809 4.5152e-08  
a 2.353491895785566 8.757e-09 au
q 1.815345959574891 1.0901e-07 au
i 2.376898750686302 4.5864e-06 deg
node 165.6875125873029 8.3215e-05 deg
peri 158.3736987022729 8.3582e-05 deg
M 329.6173162436035 7.447e-06 deg
tp 2459311.798963548416
(2021-Apr-07.29896355)
2.7517e-05 TDB
period 1318.765228203187
3.61
7.3604e-06
2.015e-08
d
yr
n .272982629736529 1.5236e-09 deg/d
Q 2.891637831996242 1.0759e-08 au
  Orbit Determination Parameters
   # obs. used (total)      596  
   data-arc span      7614 days (20.85 yr)  
   first obs. used      1999-08-07  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56541  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:56:50  

Additional Information
 Earth MOID = .801547 au 
 Jupiter MOID = 2.44734 au 
 T_jup = 3.519 
[ 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 16.57   n/a E2021B55  
diameter diameter 1.184 km 0.298 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.317   0.137 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

102070 (1999 RH139)          Discovered 1999-Sep-09 by LINEAR at Socorro
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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