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46909 (1998 RF72)
Classification: Main-belt Asteroid          SPK-ID: 2046909
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0834377692327096 2.8291e-08  
a 2.54526015831494 1.1513e-08 au
q 2.332889328588248 7.3847e-08 au
i 14.9524669868304 5.1782e-06 deg
node 178.2287056033812 1.2484e-05 deg
peri 91.97749818583446 3.4514e-05 deg
M 110.8908583646498 3.1908e-05 deg
tp 2458143.632841354103
(2018-Jan-25.13284135)
0.00013095 TDB
period 1483.18968342438
4.06
1.0063e-05
2.755e-08
d
yr
n .2427201348709721 1.6468e-09 deg/d
Q 2.757630988041631 1.2473e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1498  
   data-arc span      7731 days (21.17 yr)  
   first obs. used      1998-08-28  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5152  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:29:27  

Additional Information
 Earth MOID = 1.37544 au 
 Jupiter MOID = 2.36415 au 
 T_jup = 3.391 
[ 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 MPO359052  
diameter diameter 4.100 km 0.229 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.317   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46909 (1998 RF72)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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