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2682 Soromundi (1979 MF4)
Classification: Main-belt Asteroid          SPK-ID: 2002682
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1703036348132989 2.7798e-08  
a 2.270691263877823 6.1065e-09 au
q 1.883984288100626 6.3169e-08 au
i 5.495422046425056 3.1242e-06 deg
node 127.2564939249409 3.567e-05 deg
peri 183.149152890801 3.7081e-05 deg
M 331.6738774442927 1.0715e-05 deg
tp 2459098.837732404781
(2020-Sep-06.33773240)
3.7252e-05 TDB
period 1249.785726800378
3.42
5.0416e-06
1.38e-08
d
yr
n .2880493770093287 1.162e-09 deg/d
Q 2.65739823965502 7.1465e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2902  
   data-arc span      17695 days (48.45 yr)  
   first obs. used      1972-06-06  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42404  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:07:44  

Additional Information
 Earth MOID = .869537 au 
 Jupiter MOID = 2.59808 au 
 T_jup = 3.587 
[ 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 13.3   n/a MPO324331  
diameter diameter 5.344 km 0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 9.385 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.199   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2682 Soromundi (1979 MF4)          Discovered 1979-Jun-25 by Helin, E. F. and Bus, S. J. at Siding Spring
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1979 MF4 = 1972 LO 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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