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70321 (1999 RC149)
Classification: Main-belt Asteroid          SPK-ID: 2070321
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .132586775589821 3.8743e-08  
a 2.362092756530266 9.7468e-09 au
q 2.048910494297846 9.4237e-08 au
i 5.544590178914602 4.2656e-06 deg
node 339.4078681634982 3.9803e-05 deg
peri 17.39178150952452 4.2913e-05 deg
M 241.8001130538575 1.7901e-05 deg
tp 2459435.869908938010
(2021-Aug-09.36990894)
6.7241e-05 TDB
period 1326.000990923947
3.63
8.2073e-06
2.247e-08
d
yr
n .2714930097821081 1.6804e-09 deg/d
Q 2.675275018762686 1.1039e-08 au
  Orbit Determination Parameters
   # obs. used (total)      865  
   data-arc span      9596 days (26.27 yr)  
   first obs. used      1994-01-19  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53161  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 13:37:31  

Additional Information
 Earth MOID = 1.04501 au 
 Jupiter MOID = 2.75363 au 
 T_jup = 3.532 
[ 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 15.6   n/a MPO432256  
diameter diameter 1.640 km 0.193 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.454   0.161 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70321 (1999 RC149)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RC149 = 2001 CS13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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