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100038 (1991 RD13)
Classification: Main-belt Asteroid          SPK-ID: 2100038
[ 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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2735141808152078 5.783e-08  
a 2.617814128228849 1.5623e-08 au
q 1.901804841419858 1.5403e-07 au
i 2.533934534966173 6.5932e-06 deg
node 299.07569409481 0.00012785 deg
peri 64.12381243890742 0.00012838 deg
M 275.2326495679317 1.4753e-05 deg
tp 2459364.777834026719
(2021-May-30.27783403)		 6.5986e-05 TDB
period 1547.058148935692
4.24		 1.3849e-05
3.792e-08		 d
yr
n .232699721240384 2.0831e-09 deg/d
Q 3.333823415037839 1.9896e-08 au
   Orbit Determination Parameters
   # obs. used (total)      440  
   data-arc span      10499 days (28.74 yr)  
   first obs. used      1991-09-13  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56011  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:11:54  

Additional Information
 Earth MOID = .901095 au 
 Jupiter MOID = 2.13978 au 
 T_jup = 3.351 
[ 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 15.6   n/a MPO432529  

100038 (1991 RD13)          Discovered 1991-Sep-13 by Holt, H. E. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1991 RD13 = 2004 RB201 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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