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101960 Molau (1999 RR38)
Classification: Main-belt Asteroid          SPK-ID: 2101960
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2248572292779682 4.8807e-08  
a 2.30877933943785 5.4233e-09 au
q 1.789633614157637 1.1316e-07 au
i .3746545985037484 5.7254e-06 deg
node 172.0481857535756 0.0004032 deg
peri 150.7583664279121 0.00040344 deg
M 346.2730413510121 1.025e-05 deg
tp 2459049.358923343377
(2020-Jul-18.85892334)
3.6455e-05 TDB
period 1281.362671323601
3.51
4.5149e-06
1.236e-08
d
yr
n .2809509033286672 9.8993e-10 deg/d
Q 2.827925064718062 6.6428e-09 au
  Orbit Determination Parameters
   # obs. used (total)      611  
   data-arc span      10294 days (28.18 yr)  
   first obs. used      1992-08-25  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52721  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:57:31  

Additional Information
 Earth MOID = .777247 au 
 Jupiter MOID = 2.50036 au 
 T_jup = 3.552 
[ 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 17.0   n/a MPO469027  

101960 Molau           Discovered 1999 Sept. 11 by A. Knöfel at Drebach.
Sirko Molau (b. 1971) is a software programmer who developed software for the real-time detection of meteors on a video stream. He organized a video meteor network in the International Meteor Organization.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120207/MPCPages.arcLast Updated: 2012-02-09

[ show close-approach data ]
Alternate Designations
 1999 RR38 = 1992 SN17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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