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79656 (1998 SZ23)
Classification: Main-belt Asteroid          SPK-ID: 2079656
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1706657924338699 4.5269e-08  
a 2.568452600618435 1.4583e-08 au
q 2.130105602205056 1.1266e-07 au
i 5.02324789133444 4.9782e-06 deg
node 60.32111855394599 6.4228e-05 deg
peri 326.8310590543113 6.6482e-05 deg
M 76.89366303203578 1.9946e-05 deg
tp 2458679.360438918681
(2019-Jul-14.86043892)
8.2122e-05 TDB
period 1503.508058149199
4.12
1.2804e-05
3.506e-08
d
yr
n .2394400203236395 2.0392e-09 deg/d
Q 3.006799599031814 1.7071e-08 au
  Orbit Determination Parameters
   # obs. used (total)      423  
   data-arc span      7801 days (21.36 yr)  
   first obs. used      1998-09-17  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56961  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:44:50  

Additional Information
 Earth MOID = 1.13705 au 
 Jupiter MOID = 2.43983 au 
 T_jup = 3.405 
[ 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 15.7   n/a MPO502635  

79656 (1998 SZ23)          Discovered 1998-Sep-17 by LONEOS at Anderson Mesa
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1998 SZ23 = 2000 DP85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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