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146465 (2001 RJ61)
Classification: Main-belt Asteroid          SPK-ID: 2146465
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1487586063740496 3.8927e-08  
a 2.690669557040168 1.4636e-08 au
q 2.290409303521792 1.0668e-07 au
i 5.793118370384087 4.2439e-06 deg
node 92.88553873738955 4.5743e-05 deg
peri 336.4389254041533 4.8739e-05 deg
M 31.67456358458244 1.4907e-05 deg
tp 2458858.660525526141
(2020-Jan-10.16052553)
6.6902e-05 TDB
period 1612.088850860873
4.41
1.3153e-05
3.601e-08
d
yr
n .2233127533930628 1.8221e-09 deg/d
Q 3.090929810558545 1.6813e-08 au
  Orbit Determination Parameters
   # obs. used (total)      691  
   data-arc span      6711 days (18.37 yr)  
   first obs. used      2001-09-11  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52502  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:37:32  

Additional Information
 Earth MOID = 1.30621 au 
 Jupiter MOID = 2.18764 au 
 T_jup = 3.349 
[ 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 15.5   n/a MPO502886  
diameter diameter 4.335 km 0.235 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.094   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146465 (2001 RJ61)          Discovered 2001-Sep-12 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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