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4680 Lohrmann (1937 QC)
Classification: Main-belt Asteroid          SPK-ID: 2004680
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1713272383187246 2.6202e-08  
a 2.308902186059394 6.1035e-09 au
q 1.913324350973772 6.0596e-08 au
i 4.622721177318742 3.102e-06 deg
node 302.3964383756751 3.9774e-05 deg
peri 115.9819996104787 4.0925e-05 deg
M 145.6951693276895 1.0016e-05 deg
tp 2458481.879856472682
(2018-Dec-29.37985647)
3.5161e-05 TDB
period 1281.464941709302
3.51
5.0812e-06
1.391e-08
d
yr
n .2809284813674329 1.1139e-09 deg/d
Q 2.704480021145016 7.1492e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2204  
   data-arc span      30272 days (82.88 yr)  
   first obs. used      1937-08-31  
   last obs. used      2020-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44578  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:49:35  

Additional Information
 Earth MOID = .931117 au 
 Jupiter MOID = 2.62843 au 
 T_jup = 3.562 
[ 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 13.9   n/a MPO416762  

4680 Lohrmann (1937 QC)          Discovered 1937-Aug-31 by Sandig, H.-U. at Bergedorf
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1937 QC = 1937 TV = 1976 YM6 = 1983 VX1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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