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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 ]

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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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1133166674822462 4.2906e-08  
a 2.913069779400383 1.64e-08 au
q 2.582970419855489 1.2592e-07 au
i 8.466719157000806 4.7766e-06 deg
node 237.1349287201839 3.1316e-05 deg
peri 4.755331348059572 3.9617e-05 deg
M 227.3158415085121 2.7468e-05 deg
tp 2459269.831604818086
(2021-Feb-24.33160482)
0.0001408 TDB
period 1816.037275843817
4.97
1.5336e-05
4.199e-08
d
yr
n .1982338164467064 1.674e-09 deg/d
Q 3.243169138945276 1.8258e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2086  
   data-arc span      32403 days (88.71 yr)  
   first obs. used      1931-03-21  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46572  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:15:18  

Additional Information
 Earth MOID = 1.57031 au 
 Jupiter MOID = 1.77294 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-January); 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

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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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