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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .238021349276575 1.5341e-08  
a 2.367245050059973 6.3299e-09 au
q 1.803790189176405 3.7486e-08 au
i 4.802863648160428 1.0388e-06 deg
node 84.79659284682009 1.6015e-05 deg
peri 212.6909364384079 1.6708e-05 deg
M 352.5212141888085 6.4774e-06 deg
tp 2459228.137060368706
(2021-Jan-13.63706037)
2.3986e-05 TDB
period 1330.341847448792
3.64
5.3359e-06
1.461e-08
d
yr
n .2706071380753565 1.0854e-09 deg/d
Q 2.930699910943541 7.8365e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2620  
   data-arc span      23776 days (65.10 yr)  
   first obs. used      1955-07-24  
   last obs. used      2020-08-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44147  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:20:12  

Additional Information
 Earth MOID = .788192 au 
 Jupiter MOID = 2.29124 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 13.40   n/a E2021B10  
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

[ show close-approach data ]
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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