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JPL Small-Body Database Browser
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109780 (2001 RF84)
Classification: Main-belt Asteroid          SPK-ID: 2109780
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2142631503337364 6.4021e-08  
a 2.573512440166455 1.807e-08 au
q 2.022103557313329 1.7054e-07 au
i 3.732118235656624 4.9827e-06 deg
node 194.1093370000008 9.933e-05 deg
peri 72.35009089734965 9.9797e-05 deg
M 157.630306428794 1.1347e-05 deg
tp 2457940.224696030669
(2017-Jul-05.72469603)
4.6564e-05 TDB
period 1507.953101241571
4.13
1.5882e-05
4.348e-08
d
yr
n .2387342150784361 2.5144e-09 deg/d
Q 3.124921323019581 2.1942e-08 au
  Orbit Determination Parameters
   # obs. used (total)      408  
   data-arc span      6805 days (18.63 yr)  
   first obs. used      2000-03-03  
   last obs. used      2018-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61248  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 00:59:32  

Additional Information
 Earth MOID = 1.00972 au 
 Jupiter MOID = 1.97562 au 
 T_jup = 3.393 
[ 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 16.0   n/a MPO226734  

109780 (2001 RF84)          Discovered 2001-Sep-11 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 RF84 = 2000 EC192 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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