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78941 (2003 SN169)
Classification: Main-belt Asteroid          SPK-ID: 2078941
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09504425872881626 3.8909e-08  
a 2.368562875777385 1.0042e-08 au
q 2.14344457299653 9.0971e-08 au
i 6.093015658281111 3.953e-06 deg
node 158.1877301037559 4.1102e-05 deg
peri 286.7339991506742 4.7457e-05 deg
M 137.3828691808211 2.4582e-05 deg
tp 2458492.392172609792
(2019-Jan-08.89217261)
8.9845e-05 TDB
period 1331.452887475513
3.65
8.4678e-06
2.318e-08
d
yr
n .2703813280863239 1.7196e-09 deg/d
Q 2.59368117855824 1.0997e-08 au
  Orbit Determination Parameters
   # obs. used (total)      675  
   data-arc span      9605 days (26.30 yr)  
   first obs. used      1994-03-06  
   last obs. used      2020-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51637  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:24:58  

Additional Information
 Earth MOID = 1.16904 au 
 Jupiter MOID = 2.5671 au 
 T_jup = 3.533 
[ 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 16.0   n/a MPO412656  

78941 (2003 SN169)          Discovered 2003-Sep-23 by NEAT at Haleakala
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2003 SN169 = 1998 HD4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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