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59948 (1999 RX213)
Classification: Main-belt Asteroid          SPK-ID: 2059948
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1097683119061615 4.6868e-08  
a 2.99223478463789 2.3312e-08 au
q 2.663782223501292 1.5311e-07 au
i 11.03593557762451 4.1465e-06 deg
node 149.4880453308971 2.929e-05 deg
peri 180.8093458016674 3.9193e-05 deg
M 357.669446438311 2.6761e-05 deg
tp 2459012.739072729577
(2020-Jun-12.23907273)
0.00014057 TDB
period 1890.566368041086
5.18
2.2094e-05
6.049e-08
d
yr
n .1904191284080732 2.2253e-09 deg/d
Q 3.320687345774487 2.5871e-08 au
  Orbit Determination Parameters
   # obs. used (total)      634  
   data-arc span      7372 days (20.18 yr)  
   first obs. used      1999-07-13  
   last obs. used      2019-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56886  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:57:25  

Additional Information
 Earth MOID = 1.65286 au 
 Jupiter MOID = 2.04169 au 
 T_jup = 3.219 
[ 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 14.8   n/a MPO259719  
diameter diameter 4.181 km 0.604 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.160   0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59948 (1999 RX213)          Discovered 1999-Sep-13 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RX213 = 2002 AT160 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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