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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1977800833461391 5.9841e-08  
a 2.607298942377862 1.1603e-08 au
q 2.091627140246068 1.5154e-07 au
i 13.81161318016327 4.7056e-06 deg
node 8.982942421822134 2.1468e-05 deg
peri 2.336740009623877 2.5247e-05 deg
M 45.08776828933786 1.3966e-05 deg
tp 2459007.906818094748
(2020-Jun-07.40681809)
5.9166e-05 TDB
period 1537.746225117252
4.21
1.0265e-05
2.81e-08
d
yr
n .2341088497697663 1.5628e-09 deg/d
Q 3.122970744509656 1.3898e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1463  
   data-arc span      12577 days (34.43 yr)  
   first obs. used      1986-09-30  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48536  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:03:19  

Additional Information
 Earth MOID = 1.09013 au 
 Jupiter MOID = 2.34261 au 
 T_jup = 3.343 
[ 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 14.33   n/a E2021B10  
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

[ show close-approach data ]
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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