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385896 (2006 SN257)
Classification: Main-belt Asteroid          SPK-ID: 2385896
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09450412264646015 1.2931e-07  
a 3.148241207144628 4.4523e-08 au
q 2.850719433983992 4.2633e-07 au
i 8.901694629254704 1.1864e-05 deg
node 205.9367678348753 4.8742e-05 deg
peri 150.4244387945354 6.0003e-05 deg
M 214.8526970848056 3.6133e-05 deg
tp 2460023.134454234913
(2023-Mar-19.63445423)
0.00021181 TDB
period 2040.330048003716
5.59
4.3282e-05
1.185e-07
d
yr
n .1764420419883677 3.7429e-09 deg/d
Q 3.445762980305264 4.873e-08 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      7498 days (20.53 yr)  
   first obs. used      2000-10-02  
   last obs. used      2021-04-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49703  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 12:29:58  

Additional Information
 Earth MOID = 1.84973 au 
 Jupiter MOID = 2.04766 au 
 T_jup = 3.183 
[ 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 16.03   n/a E2021B25  

385896 (2006 SN257)          Discovered 2006-Sep-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-02-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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