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22500 Grazianoventre (1997 OJ)
Classification: Main-belt Asteroid          SPK-ID: 2022500
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1684978595573024 2.6857e-08  
a 3.169965566213508 1.3922e-08 au
q 2.63583315343618 8.3611e-08 au
i 1.263004219264111 2.886e-06 deg
node 58.54972854902239 0.00016409 deg
peri 226.4959972081855 0.0001645 deg
M 63.81651885937328 1.0447e-05 deg
tp 2458835.064399926962
(2019-Dec-17.56439993)
5.975e-05 TDB
period 2061.485307843155
5.64
1.3581e-05
3.718e-08
d
yr
n .1746313682810831 1.1505e-09 deg/d
Q 3.704097978990836 1.6268e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2183  
   data-arc span      24982 days (68.40 yr)  
   first obs. used      1952-09-15  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48761  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:07:03  

Additional Information
 Earth MOID = 1.61768 au 
 Jupiter MOID = 1.4595 au 
 T_jup = 3.180 
[ 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 13.46   n/a E2021B10  

22500 Grazianoventre           Discovered 1997 July 26 by P. Sicoli and A. Testa at Sormano.
Graziano Ventre (b. 1954) is an active member of the Osservatorio Astronomico Sormano and from his personal observatory, near his home in Bellagio (Italy), he obtains astrometric positions of comets and pictures of deep sky objects.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2018-10-26Last Updated: 2019-04-09

[ show close-approach data ]
Alternate Designations
 1997 OJ = 1998 QR55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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