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JPL Small-Body Database Browser
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441530 (2008 SD258)
Classification: Main-belt Asteroid          SPK-ID: 2441530
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1497619095097469 6.7665e-08  
a 2.36917347691396 2.3806e-08 au
q 2.014361533051479 1.6951e-07 au
i 3.706203956721745 1.0485e-05 deg
node 234.785723464954 0.00014901 deg
peri 58.01705428620991 0.00016209 deg
M 40.58015487975266 5.7339e-05 deg
tp 2458450.357058714519
(2018-Nov-27.85705871)
0.0002125 TDB
period 1331.967781368478
3.65
2.0076e-05
5.497e-08
d
yr
n .2702768077694284 4.0737e-09 deg/d
Q 2.723985420776441 2.7371e-08 au
  Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      9029 days (24.72 yr)  
   first obs. used      1993-09-16  
   last obs. used      2018-06-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65871  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:24:50  

Additional Information
 Earth MOID = 1.00053 au 
 Jupiter MOID = 2.44536 au 
 T_jup = 3.528 
[ 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 17.5   n/a MPO450444  

441530 (2008 SD258)          Discovered 2008-Sep-22 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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