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22354 Sposetti (1992 UR8)
Classification: Main-belt Asteroid          SPK-ID: 2022354
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06980920602645629 7.0026e-09  
a 2.327462723384082 6.3871e-09 au
q 2.164984398608465 1.4778e-08 au
i 7.603191066505803 4.6987e-07 deg
node 22.48607697702252 6.7486e-06 deg
peri 187.2492566407595 1.739e-05 deg
M 163.6746728156366 1.5885e-05 deg
tp 2458610.840216531488
(2019-May-07.34021653)
5.6819e-05 TDB
period 1296.947893018086
3.55
5.3387e-06
1.462e-08
d
yr
n .2775747598943667 1.1426e-09 deg/d
Q 2.489941048159699 6.833e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2544  
   data-arc span      24039 days (65.82 yr)  
   first obs. used      1955-04-21  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43319  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:04:50  

Additional Information
 Earth MOID = 1.15909 au 
 Jupiter MOID = 2.46875 au 
 T_jup = 3.558 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.96   n/a E2021B10  

22354 Sposetti           Discovered 1992 Oct. 31 by F. Borngen at Tautenburg.
Stefano Sposetti is an amateur astronomer and teacher who lives in the Italian-speaking part of Switzerland in the Ticino Alps. Since his youth he has been a very active observer of minor planets, comets, artificial satellites and meteors. He is also a helpful friend to budding young amateur astrometrists.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010509/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 1992 UR8 = 1977 QN5 = 1985 UN1 = 1987 FP1 = 1999 TH9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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