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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .117697114859637 3.7671e-08  
a 3.203506330616484 2.8015e-08 au
q 2.826462878068341 1.2216e-07 au
i 5.607470143018566 6.3922e-06 deg
node 349.0680384070935 4.3533e-05 deg
peri 270.3762908902966 5.1239e-05 deg
M 107.7654997453868 2.7236e-05 deg
tp 2457973.577216490893
(2017-Aug-08.07721649)
0.00015805 TDB
period 2094.289940625825
5.73
2.7472e-05
7.521e-08
d
yr
n .1718959696155649 2.2549e-09 deg/d
Q 3.580549783164626 3.1312e-08 au
  Orbit Determination Parameters
   # obs. used (total)      762  
   data-arc span      6650 days (18.21 yr)  
   first obs. used      2001-08-23  
   last obs. used      2019-11-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57795  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 10:17:45  

Additional Information
 Earth MOID = 1.81841 au 
 Jupiter MOID = 1.54132 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 14.4   n/a MPO412774  

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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