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109779 (2001 RB84)
Classification: Outer Main-belt Asteroid          SPK-ID: 2109779
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 .1174230554405862 3.7404e-08  
a 3.204785489032547 2.7259e-08 au
q 2.828469784878692 1.2071e-07 au
i 5.606523854156258 5.9541e-06 deg
node 349.0511424419166 4.3204e-05 deg
peri 270.5673614489284 5.0228e-05 deg
M 176.3105783640725 2.6468e-05 deg
tp 2457974.203744286414
(2017-Aug-08.70374429)
0.00015237 TDB
period 2095.544439165531
5.74
2.6736e-05
7.32e-08
d
yr
n .1717930640227109 2.1918e-09 deg/d
Q 3.581101193186401 3.046e-08 au
  Orbit Determination Parameters
   # obs. used (total)      789  
   data-arc span      6731 days (18.43 yr)  
   first obs. used      2001-08-23  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57369  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:32:59  

Additional Information
 Earth MOID = 1.82072 au 
 Jupiter MOID = 1.54129 au 
 T_jup = 3.175 
[ 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 14.5   n/a MPO502757  

109779 (2001 RB84)          Discovered 2001-Sep-11 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 RB84 = 2001 QQ212 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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