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74804 (1999 SZ26)
Classification: Main-belt Asteroid          SPK-ID: 2074804
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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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 .07727421273179071 3.4431e-08  
a 2.401273166030933 1.2261e-08 au
q 2.215716672571918 7.9911e-08 au
i 6.080991689894691 4.9848e-06 deg
node 204.1919970020562 3.6753e-05 deg
peri 279.76065817 5.1253e-05 deg
M 117.2515468417057 3.7545e-05 deg
tp 2458557.833294398703
(2019-Mar-15.33329440)
0.00014058 TDB
period 1359.129310520817
3.72
1.041e-05
2.85e-08
d
yr
n .2648754590260792 2.0287e-09 deg/d
Q 2.586829659489948 1.3208e-08 au
  Orbit Determination Parameters
   # obs. used (total)      680  
   data-arc span      9012 days (24.67 yr)  
   first obs. used      1995-10-15  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55654  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:50:46  

Additional Information
 Earth MOID = 1.24063 au 
 Jupiter MOID = 2.46519 au 
 T_jup = 3.514 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO426454  

74804 (1999 SZ26)          Discovered 1999-Sep-30 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 SZ26 = 2001 FG170 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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