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100129 (1993 RQ1)
Classification: Main-belt Asteroid          SPK-ID: 2100129
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1479421805929333 4.1809e-08  
a 2.35018952137836 8.0155e-09 au
q 2.002497358778983 9.7224e-08 au
i 2.311021305934132 3.8861e-06 deg
node 189.8675834561394 0.00011707 deg
peri 279.1993028512583 0.00011842 deg
M 49.23932976810102 1.481e-05 deg
tp 2458820.504193440038
(2019-Dec-03.00419344)
5.4204e-05 TDB
period 1315.99050325752
3.60
6.7324e-06
1.843e-08
d
yr
n .2735582051001725 1.3995e-09 deg/d
Q 2.697881683977737 9.2013e-09 au
  Orbit Determination Parameters
   # obs. used (total)      427  
   data-arc span      9715 days (26.60 yr)  
   first obs. used      1993-09-15  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53641  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:50:01  

Additional Information
 Earth MOID = 1.02075 au 
 Jupiter MOID = 2.41553 au 
 T_jup = 3.542 
[ 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 17.1   n/a MPO453455  

100129 (1993 RQ1)          Discovered 1993-Sep-15 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1993 RQ1 = 1997 WZ11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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