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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .141995928792629 5.8457e-08  
a 2.536208151771694 1.2295e-08 au
q 2.176076919649435 1.5109e-07 au
i 19.50134755134637 1.0351e-05 deg
node 14.66517487444614 1.4147e-05 deg
peri 42.93619726994657 4.7286e-05 deg
M 193.6166657105167 4.3357e-05 deg
tp 2459682.340965628605
(2022-Apr-12.84096563)
0.00018024 TDB
period 1475.284460877719
4.04
1.0728e-05
2.937e-08
d
yr
n .2440207360320316 1.7744e-09 deg/d
Q 2.896339383893952 1.4041e-08 au
  Orbit Determination Parameters
   # obs. used (total)      900  
   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      .57341  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:32:38  

Additional Information
 Earth MOID = 1.21519 au 
 Jupiter MOID = 2.63876 au 
 T_jup = 3.354 
[ 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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