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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04393524622604154 3.988e-08  
a 3.391932472587557 2.1873e-08 au
q 3.242907084222317 1.3883e-07 au
i 4.933850985572894 4.2941e-06 deg
node 254.262346683273 5.1062e-05 deg
peri 147.9082537807185 7.0259e-05 deg
M 66.2905058805471 4.7754e-05 deg
tp 2458580.336757674037
(2019-Apr-06.83675767)
0.00030226 TDB
period 2281.756116176107
6.25
2.2071e-05
6.043e-08
d
yr
n .1577732157472236 1.5261e-09 deg/d
Q 3.540957860952797 2.2834e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2170  
   data-arc span      31863 days (87.24 yr)  
   first obs. used      1933-01-26  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45053  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:56:43  

Additional Information
 Earth MOID = 2.25296 au 
 Jupiter MOID = 1.72403 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 11.8   n/a MPO502188  
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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