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JPL Small-Body Database Browser
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74803 (1999 SE22)
Classification: Main-belt Asteroid          SPK-ID: 2074803
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06690952065385372 4.2337e-08  
a 2.399982771320225 1.2256e-08 au
q 2.239401074513681 1.0264e-07 au
i 7.402877740029299 4.4318e-06 deg
node 60.46218174889387 3.4943e-05 deg
peri 350.4471581721411 4.9225e-05 deg
M 58.92776105195207 3.4356e-05 deg
tp 2458378.205840307396
(2018-Sep-16.70584031)
0.00012931 TDB
period 1358.033905594764
3.72
1.0403e-05
2.848e-08
d
yr
n .2650891104536411 2.0306e-09 deg/d
Q 2.560564468126769 1.3076e-08 au
  Orbit Determination Parameters
   # obs. used (total)      751  
   data-arc span      7591 days (20.78 yr)  
   first obs. used      1998-05-24  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63567  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:39:52  

Additional Information
 Earth MOID = 1.25009 au 
 Jupiter MOID = 2.67836 au 
 T_jup = 3.512 
[ 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 15.4   n/a MPO417342  

74803 (1999 SE22)          Discovered 1999-Sep-21 by LONEOS at Anderson Mesa
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 SE22 = 2001 EU1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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