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22350 (1992 US)
Classification: Main-belt Asteroid          SPK-ID: 2022350
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2403251898502418 4.3623e-08  
a 2.382197611085848 7.5641e-09 au
q 1.809695517940849 1.0291e-07 au
i 8.313935697160403 4.8871e-06 deg
node 40.91738664910279 2.1421e-05 deg
peri 359.3615862670497 2.2406e-05 deg
M 229.2662669761246 7.4407e-06 deg
tp 2459688.197203891657
(2022-Apr-18.69720389)
2.9132e-05 TDB
period 1342.96626693076
3.68
6.3964e-06
1.751e-08
d
yr
n .2680633228582507 1.2768e-09 deg/d
Q 2.954699704230847 9.3819e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1799  
   data-arc span      15649 days (42.84 yr)  
   first obs. used      1977-08-18  
   last obs. used      2020-06-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49699  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:04:48  

Additional Information
 Earth MOID = .816868 au 
 Jupiter MOID = 2.46936 au 
 T_jup = 3.484 
[ 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 14.37   n/a E2021B10  
diameter diameter 7.629 km 0.163 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22350 (1992 US)          Discovered 1992-Oct-21 by Sugie, A. at Dynic
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1992 US = 1981 WJ4 = 1998 HN92 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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