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91573 (1999 SN2)
Classification: Main-belt Asteroid          SPK-ID: 2091573
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01774322797113917 7.2421e-08  
a 2.809366528525213 2.7669e-08 au
q 2.759519297755102 2.0087e-07 au
i 5.415323365847529 7.2382e-06 deg
node 183.8334593814656 6.7158e-05 deg
peri 152.4809684505484 0.00020922 deg
M 162.097877059633 0.00019961 deg
tp 2458226.063419064658
(2018-Apr-17.56341906)
0.00095388 TDB
period 1719.931032990385
4.71
2.5409e-05
6.957e-08
d
yr
n .2093107183339092 3.0923e-09 deg/d
Q 2.859213759295324 2.816e-08 au
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      8785 days (24.05 yr)  
   first obs. used      1995-12-26  
   last obs. used      2020-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56292  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:33:37  

Additional Information
 Earth MOID = 1.75131 au 
 Jupiter MOID = 2.18355 au 
 T_jup = 3.315 
[ 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 16.5   n/a MPO459428  

91573 (1999 SN2)          Discovered 1999-Sep-16 by Pauwels, T., Ipatov, S. at Uccle
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 SN2 = 2002 GD36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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