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109774 (2001 RG80)
Classification: Main-belt Asteroid          SPK-ID: 2109774
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1423928835037414 5.8363e-08  
a 2.535564498458855 1.2232e-08 au
q 2.174518158213581 1.5054e-07 au
i 19.50501936087483 1.036e-05 deg
node 14.6738583617102 1.4156e-05 deg
peri 42.98333966721619 4.7176e-05 deg
M 95.89637946898372 4.2904e-05 deg
tp 2458207.665039938626
(2018-Mar-30.16503994)
0.00017447 TDB
period 1474.722887404057
4.04
1.0671e-05
2.922e-08
d
yr
n .2441136589625358 1.7664e-09 deg/d
Q 2.89661083870413 1.3974e-08 au
  Orbit Determination Parameters
   # obs. used (total)      893  
   data-arc span      7359 days (20.15 yr)  
   first obs. used      1999-03-15  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57177  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:46:45  

Additional Information
 Earth MOID = 1.21318 au 
 Jupiter MOID = 2.63629 au 
 T_jup = 3.355 
[ 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 15.2   n/a MPO436527  
diameter diameter 7.698 km 2.489 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.030   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

109774 (2001 RG80)          Discovered 2001-Sep-12 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 RG80 = 1999 EL9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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