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78597 (2002 SQ23)
Classification: Main-belt Asteroid          SPK-ID: 2078597
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05313185144609566 3.9619e-08  
a 2.320756417478364 1.0742e-08 au
q 2.19745033226233 9.4031e-08 au
i 7.308525216753566 5.5631e-06 deg
node 27.55288037796539 3.2801e-05 deg
peri 133.2737002523862 6.1996e-05 deg
M 212.4461416171683 5.2873e-05 deg
tp 2459529.786523806571
(2021-Nov-11.28652381)
0.00019064 TDB
period 1291.346432134612
3.54
8.9661e-06
2.455e-08
d
yr
n .2787787932359215 1.9356e-09 deg/d
Q 2.444062502694397 1.1313e-08 au
  Orbit Determination Parameters
   # obs. used (total)      773  
   data-arc span      9136 days (25.01 yr)  
   first obs. used      1995-10-23  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53803  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:16  

Additional Information
 Earth MOID = 1.21012 au 
 Jupiter MOID = 2.52604 au 
 T_jup = 3.565 
[ 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 15.4   n/a MPO395710  

78597 (2002 SQ23)          Discovered 2002-Sep-27 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 SQ23 = 1999 XB191 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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