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JPL Small-Body Database Browser
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109802 (2001 RU94)
Classification: Main-belt Asteroid          SPK-ID: 2109802
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1537752287367004 3.74e-08  
a 2.614448887527229 1.0981e-08 au
q 2.212411411827317 9.9869e-08 au
i 4.215446299679837 3.6494e-06 deg
node 307.7648062333631 6.4409e-05 deg
peri 125.2592032064981 6.6381e-05 deg
M 8.912239349204464 1.4636e-05 deg
tp 2458562.274515272793
(2019-Mar-19.77451527)
6.2751e-05 TDB
period 1544.075956961677
4.23
9.7275e-06
2.663e-08
d
yr
n .2331491520069922 1.4688e-09 deg/d
Q 3.01648636322714 1.2669e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1234  
   data-arc span      10869 days (29.76 yr)  
   first obs. used      1989-12-30  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49013  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 12:54:01  

Additional Information
 Earth MOID = 1.23035 au 
 Jupiter MOID = 2.24905 au 
 T_jup = 3.387 
[ 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 14.9   n/a MPO338042  
diameter diameter 5.187 km 1.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.072   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

109802 (2001 RU94)          Discovered 2001-Sep-11 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 RU94 = 1989 YK1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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