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JPL Small-Body Database Browser
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2426 Simonov (1976 KV)
Classification: Main-belt Asteroid          SPK-ID: 2002426
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1132772279020783 4.0312e-08  
a 2.911978840629157 1.5128e-08 au
q 2.582117949853179 1.2003e-07 au
i 8.466488369645461 4.3258e-06 deg
node 237.126844838026 3.1214e-05 deg
peri 4.960312145227505 3.9119e-05 deg
M 306.4213801238899 2.6357e-05 deg
tp 2459270.628104407171
(2021-Feb-25.12810441)
0.00013357 TDB
period 1815.017217902289
4.97
1.4144e-05
3.872e-08
d
yr
n .1983452258464363 1.5456e-09 deg/d
Q 3.241839731405137 1.6842e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2178  
   data-arc span      32459 days (88.87 yr)  
   first obs. used      1931-03-21  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45788  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:21:13  

Additional Information
 Earth MOID = 1.56956 au 
 Jupiter MOID = 1.77439 au 
 T_jup = 3.257 
[ 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 11.7   n/a MPO435720  
diameter diameter 25.654 km 0.106 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.811 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pray, D. (2005) Minor Planet Bull. 32, 48-51.]
geometric albedo albedo 0.074   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2426 Simonov (1976 KV)          Discovered 1976-May-26 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1976 KV = 1951 GK1 = 1953 XQ = 1958 VA1 = 1962 QE = 1968 UK3 = 1970 CA = 1971 KK 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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