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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456443.5 (2013-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1706601134949629 4.5213e-08  
q 2.129841338169985 1.1248e-07 au
tp 2457171.014509708721
(2015-May-28.51450971)
7.7484e-05 TDB
node 60.40250460792079 6.4365e-05 deg
peri 325.8757661263475 6.6607e-05 deg
i 5.020261580881844 4.9701e-06 deg
  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
 Jupiter MOID = 2.43983 au 
 T_jup = 3.405 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.044219891768098E-15 -5.059573886701382E-15 4.779516146165442E-13 1.662034988382815E-14 2.749936137869781E-14 6.536789049489753E-16
q -5.059573886701382E-15 1.265246300158771E-14 -9.321130955355628E-13 -4.160049487748439E-14 -2.765421123485017E-14 -1.482450211076721E-15
tp 4.779516146165442E-13 -9.321130955355628E-13 6.003801053326872E-9 1.443042605836235E-11 1.357395946407684E-9 2.318821828174952E-12
node 1.662034988382815E-14 -4.160049487748439E-14 1.443042605836235E-11 4.142870615219495E-9 -4.123413446018471E-9 3.317525237640233E-11
peri 2.749936137869781E-14 -2.765421123485017E-14 1.357395946407684E-9 -4.123413446018471E-9 4.436516290902293E-9 -3.260111002391595E-11
i 6.536789049489753E-16 -1.482450211076721E-15 2.318821828174952E-12 3.317525237640233E-11 -3.260111002391595E-11 2.470217856648632E-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 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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