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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0696704149608863 4.4312e-08  
a 2.328081106800919 8.1862e-09 au
q 2.1658827300275 1.0478e-07 au
i 7.602171720713822 4.4211e-06 deg
node 22.49227466994887 2.4414e-05 deg
peri 187.4519898023142 3.5308e-05 deg
M 107.9501765338405 2.4146e-05 deg
tp 2458611.440125300603
(2019-May-07.94012530)
8.7474e-05 TDB
period 1297.464806348659
3.55
6.8434e-06
1.874e-08
d
yr
n .2774641733929696 1.4635e-09 deg/d
Q 2.490279483574338 8.7566e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1832  
   data-arc span      23396 days (64.05 yr)  
   first obs. used      1955-04-21  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4638  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:06:00  

Additional Information
 Earth MOID = 1.1609 au 
 Jupiter MOID = 2.46964 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 13.9   n/a MPO340856  

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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