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JPL Small-Body Database Browser
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109765 (2001 RT77)
Classification: Main-belt Asteroid          SPK-ID: 2109765
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2822543768571712 6.1762e-08  
a 3.07808611236376 1.7875e-08 au
q 2.209282834805814 1.8964e-07 au
i 7.043994633938055 5.8155e-06 deg
node 147.5605015999823 5.1317e-05 deg
peri 229.0872357438519 5.1869e-05 deg
M 105.2201785907438 7.4881e-06 deg
tp 2458023.977702210204
(2017-Sep-27.47770221)
3.9759e-05 TDB
period 1972.511641627116
5.40
1.7182e-05
4.704e-08
d
yr
n .1825084285449579 1.5898e-09 deg/d
Q 3.946889389921705 2.292e-08 au
  Orbit Determination Parameters
   # obs. used (total)      610  
   data-arc span      7707 days (21.10 yr)  
   first obs. used      1998-01-23  
   last obs. used      2019-03-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5644  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:43:13  

Additional Information
 Earth MOID = 1.21723 au 
 Jupiter MOID = 1.54539 au 
 T_jup = 3.155 
[ 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 15.0   n/a MPO338042  

109765 (2001 RT77)          Discovered 2001-Sep-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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