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109700 (2001 RU40)
Classification: Main-belt Asteroid          SPK-ID: 2109700
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 .2330229988128925 5.2356e-08  
a 3.183080523790811 2.0057e-08 au
q 2.441349554674164 1.7183e-07 au
i 15.46255446473035 6.0495e-06 deg
node 16.57695917278281 2.1024e-05 deg
peri 339.8126395944881 2.3913e-05 deg
M 93.99663750144813 1.1475e-05 deg
tp 2458458.898719952677
(2018-Dec-06.39871995)
6.4713e-05 TDB
period 2074.29186830255
5.68
1.9606e-05
5.368e-08
d
yr
n .1735532041084449 1.6404e-09 deg/d
Q 3.924811492907458 2.4731e-08 au
  Orbit Determination Parameters
   # obs. used (total)      636  
   data-arc span      7622 days (20.87 yr)  
   first obs. used      1999-03-21  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56138  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:31:16  

Additional Information
 Earth MOID = 1.44431 au 
 Jupiter MOID = 1.55311 au 
 T_jup = 3.101 
[ 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 14.6   n/a MPO412773  
diameter diameter 7.096 km 0.687 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109700 (2001 RU40)          Discovered 2001-Sep-11 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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