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129670 (1998 RU6)
Classification: Main-belt Asteroid          SPK-ID: 2129670
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1430929319346554 4.273e-08  
a 2.685309956071807 1.5692e-08 au
q 2.301061081304172 1.1746e-07 au
i 11.93829942758117 6.5681e-06 deg
node 344.8164710589003 2.477e-05 deg
peri 308.604471721451 3.5768e-05 deg
M 13.82207132155258 2.5573e-05 deg
tp 2458938.789269307334
(2020-Mar-30.28926931)
0.00011409 TDB
period 1607.274520043812
4.40
1.4089e-05
3.857e-08
d
yr
n .223981650620696 1.9633e-09 deg/d
Q 3.069558830839443 1.7938e-08 au
  Orbit Determination Parameters
   # obs. used (total)      589  
   data-arc span      8020 days (21.96 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60749  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:41:27  

Additional Information
 Earth MOID = 1.30671 au 
 Jupiter MOID = 2.25488 au 
 T_jup = 3.329 
[ 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 15.1   n/a MPO251193  
diameter diameter 2.620 km 0.413 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.257   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129670 (1998 RU6)          Discovered 1998-Sep-12 by Spacewatch at Kitt Peak
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

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