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48461 (1991 RN6)
Classification: Main-belt Asteroid          SPK-ID: 2048461
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2459335755133532 4.3306e-08  
a 2.334099986181659 9.393e-09 au
q 1.760066430974336 1.029e-07 au
i 10.36408080198795 5.3844e-06 deg
node 161.7843394785608 2.2246e-05 deg
peri 156.0710017297885 2.5166e-05 deg
M 285.9014894265715 1.0182e-05 deg
tp 2458868.592453122498
(2020-Jan-20.09245312)
3.6999e-05 TDB
period 1302.499636999566
3.57
7.8624e-06
2.153e-08
d
yr
n .2763916317315028 1.6684e-09 deg/d
Q 2.908133541388983 1.1703e-08 au
  Orbit Determination Parameters
   # obs. used (total)      988  
   data-arc span      10109 days (27.68 yr)  
   first obs. used      1991-09-06  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49668  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:38:25  

Additional Information
 Earth MOID = .752031 au 
 Jupiter MOID = 2.44505 au 
 T_jup = 3.506 
[ 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 15.2   n/a MPO436121  
diameter diameter 5.496 km 0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48461 (1991 RN6)          Discovered 1991-Sep-07 by Helin, E. F., Cohen, S. at Palomar
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 RN6 = 2001 FM71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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