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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1109825050616498 5.5016e-08  
a 2.994082008622266 2.5377e-08 au
q 2.661791286945351 1.7172e-07 au
i 11.02501399652849 6.0529e-06 deg
node 149.5770273929338 3.0922e-05 deg
peri 180.9268068810664 4.0922e-05 deg
M 281.4551236153719 2.8556e-05 deg
tp 2459013.366194267756
(2020-Jun-12.86619427)
0.00015166 TDB
period 1892.317319446196
5.18
2.4058e-05
6.587e-08
d
yr
n .1902429345757705 2.4187e-09 deg/d
Q 3.326372730299181 2.8193e-08 au
  Orbit Determination Parameters
   # obs. used (total)      517  
   data-arc span      7240 days (19.82 yr)  
   first obs. used      1999-07-13  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59962  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:16:14  

Additional Information
 Earth MOID = 1.65001 au 
 Jupiter MOID = 2.034 au 
 T_jup = 3.218 
[ 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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