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70282 (1999 RW111)
Classification: Main-belt Asteroid          SPK-ID: 2070282
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2102127467844729 3.4714e-08  
a 2.325924727469454 8.6962e-09 au
q 1.836985701694174 7.9963e-08 au
i 8.856491627433167 3.8526e-06 deg
node 232.8018554232272 1.9918e-05 deg
peri 7.179566173677236 2.2009e-05 deg
M 3.615311818657452 7.4093e-06 deg
tp 2458987.488266169776
(2020-May-17.98826617)
2.6696e-05 TDB
period 1295.662563518555
3.55
7.2664e-06
1.989e-08
d
yr
n .2778501209623353 1.5583e-09 deg/d
Q 2.814863753244734 1.0524e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1481  
   data-arc span      7747 days (21.21 yr)  
   first obs. used      1999-05-20  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46052  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 06:26:39  

Additional Information
 Earth MOID = .825195 au 
 Jupiter MOID = 2.19891 au 
 T_jup = 3.529 
[ 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 14.8   n/a MPO333402  
diameter diameter 6.054 km 0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70282 (1999 RW111)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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