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3313 Mendel (1980 DG)
Classification: Main-belt Asteroid          SPK-ID: 2003313
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1315872135188354 3.239e-08  
a 2.654899722034356 1.117e-08 au
q 2.305548865439924 8.6757e-08 au
i 11.39931527042524 3.9395e-06 deg
node 272.3345055793463 2.0989e-05 deg
peri 346.5531688295492 2.771e-05 deg
M 63.09157666685618 1.7146e-05 deg
tp 2458923.589457941086
(2020-Mar-15.08945794)
7.5437e-05 TDB
period 1580.049198446768
4.33
9.9721e-06
2.73e-08
d
yr
n .2278410066938992 1.438e-09 deg/d
Q 3.004250578628787 1.264e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2512  
   data-arc span      17776 days (48.67 yr)  
   first obs. used      1972-05-11  
   last obs. used      2021-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38436  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:09:34  

Additional Information
 Earth MOID = 1.28984 au 
 Jupiter MOID = 2.08925 au 
 T_jup = 3.348 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.34   n/a E2021B10  
diameter diameter 8.791 km 0.132 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 13.2848 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.275   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3313 Mendel (1980 DG)          Discovered 1980-Feb-19 by Mrkos, A. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1980 DG = 1972 JB1 = 1982 TP2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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