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JPL Small-Body Database Browser
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4428 Khotinok (1977 SN)
Classification: Main-belt Asteroid          SPK-ID: 2004428
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .237850516010585 2.8083e-08  
a 2.366694729029098 6.5115e-09 au
q 1.803775166489995 6.6829e-08 au
i 4.803147858967298 3.0425e-06 deg
node 84.79652851682381 4.5094e-05 deg
peri 212.7180987983393 4.5625e-05 deg
M 298.3593537726639 8.3095e-06 deg
tp 2459228.207048740472
(2021-Jan-13.70704874)
3.1008e-05 TDB
period 1329.877971172472
3.64
5.4883e-06
1.503e-08
d
yr
n .270701528864795 1.1172e-09 deg/d
Q 2.929614291568201 8.0602e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2401  
   data-arc span      23655 days (64.76 yr)  
   first obs. used      1955-07-24  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45392  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:07:52  

Additional Information
 Earth MOID = .79015 au 
 Jupiter MOID = 2.29292 au 
 T_jup = 3.504 
[ 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 MPO365300  
diameter diameter 6.014 km 0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.281   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

4428 Khotinok (1977 SN)          Discovered 1977-Sep-18 by Chernykh, N. S. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1977 SN = 1955 QS1 = 1981 UG18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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