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243591 Ignacostantino (1998 RG3)
Classification: Main-belt Asteroid          SPK-ID: 2243591
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3466886766141743 5.5001e-08  
a 2.682602360887914 7.23e-09 au
q 1.752574498509623 1.4636e-07 au
i 8.097742292304272 6.2242e-06 deg
node 229.5039323388723 2.7032e-05 deg
peri 132.1397995119597 2.9876e-05 deg
M 341.352028079919 7.2541e-06 deg
tp 2459083.630805062469
(2020-Aug-22.13080506)
3.2401e-05 TDB
period 1604.844213126568
4.39
6.488e-06
1.776e-08
d
yr
n .2243208387801366 9.0687e-10 deg/d
Q 3.612630223266204 9.7366e-09 au
  Orbit Determination Parameters
   # obs. used (total)      710  
   data-arc span      8098 days (22.17 yr)  
   first obs. used      1998-09-15  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46589  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:09:24  

Additional Information
 Earth MOID = .762889 au 
 Jupiter MOID = 1.92805 au 
 T_jup = 3.273 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457943.5 (2017-Jul-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3485998412144486 5.5399e-08  
q 1.745569600703728 1.4783e-07 au
tp 2457480.996844824233
(2016-Apr-02.49684482)
3.1897e-05 TDB
node 229.5345506188305 2.7014e-05 deg
peri 132.2983015313729 2.983e-05 deg
i 8.105483608018824 6.2334e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      710  
   data-arc span      8098 days (22.17 yr)  
   first obs. used      1998-09-15  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46589  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:09:24  

Additional Information
 Jupiter MOID = 1.92805 au 
 T_jup = 3.273 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.069101522600809E-15 -8.185919791995255E-15 1.258263475132532E-12 -1.018306703040657E-13 5.38139165534412E-13 -2.894318035889488E-14
q -8.185919791995255E-15 2.185439120220517E-14 -3.392575962735487E-12 2.718938238966066E-13 -1.444448512225057E-12 7.688344862075811E-14
tp 1.258263475132532E-12 -3.392575962735487E-12 1.017431583466986E-9 -5.512542752470481E-11 4.152939780108158E-10 -1.240531835742553E-11
node -1.018306703040657E-13 2.718938238966066E-13 -5.512542752470481E-11 7.297616792422801E-10 -7.408501063383981E-10 -7.954432611071935E-11
peri 5.38139165534412E-13 -1.444448512225057E-12 4.152939780108158E-10 -7.408501063383981E-10 8.898513148042059E-10 7.457667935976745E-11
i -2.894318035889488E-14 7.688344862075811E-14 -1.240531835742553E-11 -7.954432611071935E-11 7.457667935976745E-11 3.88550546878892E-11

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 16.08   n/a E2021B55  

243591 Ignacostantino           Discovered 1998 Sept. 15 by V. S. Casulli at Colleverde.
Ignazio Costantino (b. 1960) is a very enthusiastic Italian amateur astronomer. He is an electrionic engineer and a sailor.
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 2017-10-05Last Updated: 2017-10-09

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