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146447 (2001 RU8)
Classification: Main-belt Asteroid          SPK-ID: 2146447
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2007087154149675 4.386e-08  
a 2.391643772513042 1.2423e-08 au
q 1.911620023201742 1.0672e-07 au
i 4.323565613289699 4.6734e-06 deg
node 282.4902215844517 6.7624e-05 deg
peri 328.2603965860329 7.0935e-05 deg
M 90.27294584887113 1.6387e-05 deg
tp 2458661.735197445877
(2019-Jun-27.23519745)
6.2469e-05 TDB
period 1350.962104678114
3.70
1.0526e-05
2.882e-08
d
yr
n .2664767566413532 2.0763e-09 deg/d
Q 2.871667521824341 1.4917e-08 au
  Orbit Determination Parameters
   # obs. used (total)      499  
   data-arc span      8066 days (22.08 yr)  
   first obs. used      1997-06-28  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54728  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:37:26  

Additional Information
 Earth MOID = .898937 au 
 Jupiter MOID = 2.18306 au 
 T_jup = 3.500 
[ 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 16.4   n/a MPO475269  
diameter diameter 3.328 km 0.891 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.040   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

146447 (2001 RU8)          Discovered 2001-Sep-09 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2001 RU8 = 1997 MT2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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