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2280 Kunikov (1971 SL2)
Classification: Main-belt Asteroid          SPK-ID: 2002280
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1407319746360061 4.0825e-08  
a 2.179292108642035 5.9284e-09 au
q 1.872596026884176 9.0518e-08 au
i 3.568783651799622 3.4895e-06 deg
node 106.4839787787012 6.9196e-05 deg
peri 264.2202902428195 7.0293e-05 deg
M 281.1930069230726 1.2557e-05 deg
tp 2458857.737246716670
(2020-Jan-09.23724672)
4.1206e-05 TDB
period 1175.091260335292
3.22
4.7949e-06
1.313e-08
d
yr
n .3063591843047835 1.2501e-09 deg/d
Q 2.485988190399894 6.7627e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2326  
   data-arc span      22832 days (62.51 yr)  
   first obs. used      1957-04-28  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49947  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:14:17  

Additional Information
 Earth MOID = .875395 au 
 Jupiter MOID = 2.97615 au 
 T_jup = 3.667 
[ 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 13.3   n/a MPO344315  
diameter diameter 6.140 km 0.142 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 21.45 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Linville, D.; Jiang, H.; Michalik, D.; Wilson, S.; Ditteon, R. (2017) Minor Planet Bull. 44, 173-176.]
geometric albedo albedo 0.270   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B Sa   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

2280 Kunikov           Discovered 1971 Sept. 26 by T. M. Smirnova at the Crimean Astrophysical Observatory.
Named in memory of Tzezar' L´vovich Kunikov (1909-1943), commander of the landing party that seized Malaya Zemlya in the Novorossijsk region in February 1943.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 6059Last Updated: 2006-03-21

Alternate Designations
 1971 SL2 = 1970 GY1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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