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22284 (1986 SH)
Classification: Main-belt Asteroid          SPK-ID: 2022284
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1976740072436754 5.9957e-08  
a 2.60684481470672 1.2968e-08 au
q 2.091539353921247 1.5199e-07 au
i 13.81225278803345 5.4056e-06 deg
node 8.984978910065443 2.1617e-05 deg
peri 2.300213443120914 2.5565e-05 deg
M 358.2887166624142 1.4983e-05 deg
tp 2459007.807866674915
(2020-Jun-07.30786667)
6.4011e-05 TDB
period 1537.344485969709
4.21
1.1471e-05
3.141e-08
d
yr
n .2341700271380121 1.7473e-09 deg/d
Q 3.122150275492194 1.5531e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1229  
   data-arc span      12450 days (34.09 yr)  
   first obs. used      1986-09-30  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .515  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:52:07  

Additional Information
 Earth MOID = 1.09151 au 
 Jupiter MOID = 2.34233 au 
 T_jup = 3.344 
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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 14.3   n/a MPO395217  
diameter diameter 3.750 km 0.891 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.199   0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22284 (1986 SH)          Discovered 1986-Sep-30 by Mrkos, A. at Klet
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1986 SH = 1986 WZ7 = 1990 RN12 = 1999 TT210 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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