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3622 Ilinsky (1981 SX7)
Classification: Outer Main-belt Asteroid          SPK-ID: 2003622
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 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04408507703749195 1.6663e-08  
a 3.391806443801832 1.9088e-08 au
q 3.242278395430567 5.9883e-08 au
i 4.933407424219889 7.4334e-07 deg
node 254.2552161702388 1.8236e-05 deg
peri 147.834147349967 3.0731e-05 deg
M 97.90940867351837 2.962e-05 deg
tp 2458579.964052513867
(2019-Apr-06.46405251)
0.00018572 TDB
period 2281.628947836034
6.25
1.926e-05
5.273e-08
d
yr
n .1577820093584608 1.3319e-09 deg/d
Q 3.541334492173097 1.9929e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2508  
   data-arc span      32199 days (88.16 yr)  
   first obs. used      1933-01-26  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4308  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:06:44  

Additional Information
 Earth MOID = 2.25131 au 
 Jupiter MOID = 1.72402 au 
 T_jup = 3.141 
[ 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 11.84   n/a MPCxxxxx  
diameter diameter 21.880 km 0.458 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.102   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3622 Ilinsky (1981 SX7)          Discovered 1981-Sep-29 by Zhuravleva, L. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1981 SX7 = 1933 BF = 1975 WO = 1980 RA5 = 1983 CJ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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