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146451 (2001 RP26)
Classification: Main-belt Asteroid          SPK-ID: 2146451
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2022254887722225 3.5934e-08  
a 2.677045916431273 1.3084e-08 au
q 2.135678997515276 9.575e-08 au
i 6.042423422065078 4.527e-06 deg
node 2.028871607522341 4.2278e-05 deg
peri 38.89679645752685 4.3812e-05 deg
M 60.52350035090808 1.202e-05 deg
tp 2458731.530092412416
(2019-Sep-05.03009241)
5.2815e-05 TDB
period 1599.860651980241
4.38
1.1729e-05
3.211e-08
d
yr
n .225019597522076 1.6497e-09 deg/d
Q 3.218412835347269 1.573e-08 au
  Orbit Determination Parameters
   # obs. used (total)      809  
   data-arc span      6734 days (18.44 yr)  
   first obs. used      2001-08-25  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51623  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:37:28  

Additional Information
 Earth MOID = 1.14743 au 
 Jupiter MOID = 2.23276 au 
 T_jup = 3.341 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO453929  
diameter diameter 4.563 km 0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.023   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

146451 (2001 RP26)          Discovered 2001-Sep-07 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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