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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .171190449939037 7.1848e-09  
a 2.309145389970246 6.0255e-09 au
q 1.913841751686587 1.5496e-08 au
i 4.622721465625561 8.0515e-07 deg
node 302.3959493893963 5.7492e-06 deg
peri 115.945490713419 7.6492e-06 deg
M 201.9286100469836 6.2318e-06 deg
tp 2459763.263750668006
(2022-Jul-02.76375067)
2.313e-05 TDB
period 1281.667418124809
3.51
5.0166e-06
1.373e-08
d
yr
n .2808841005935155 1.0994e-09 deg/d
Q 2.704449028253906 7.0571e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2238  
   data-arc span      30272 days (82.88 yr)  
   first obs. used      1937-08-31  
   last obs. used      2020-07-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44629  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:38:10  

Additional Information
 Earth MOID = .930937 au 
 Jupiter MOID = 2.62901 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 13.99   n/a E2021B10  

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

[ show close-approach data ]
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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