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70379 (1999 RL212)
Classification: Main-belt Asteroid          SPK-ID: 2070379
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1807505110220691 3.956e-08  
a 2.438557271314358 1.3451e-08 au
q 1.997786798367705 9.7615e-08 au
i 12.66478102313538 4.0228e-06 deg
node 268.933877601786 2.3595e-05 deg
peri 330.0119335617037 2.7181e-05 deg
M 266.9370667590722 1.552e-05 deg
tp 2459360.060605127608
(2021-May-25.56060513)
6.0844e-05 TDB
period 1390.906275335542
3.81
1.1508e-05
3.151e-08
d
yr
n .2588240533411597 2.1415e-09 deg/d
Q 2.879327744261011 1.5882e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1439  
   data-arc span      7525 days (20.60 yr)  
   first obs. used      1999-07-22  
   last obs. used      2020-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44702  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:00:56  

Additional Information
 Earth MOID = .99413 au 
 Jupiter MOID = 2.19889 au 
 T_jup = 3.448 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1   n/a MPO417314  
diameter diameter 3.621 km 0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.257   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70379 (1999 RL212)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RL212 = 2000 WE51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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