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382774 (2003 SD77)
Classification: Main-belt Asteroid          SPK-ID: 2382774
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1489000123707268 5.2995e-08  
a 2.709326938396911 3.2588e-08 au
q 2.305908123753268 1.5022e-07 au
i 10.1265613667441 7.5858e-06 deg
node 319.9949665658264 3.3438e-05 deg
peri 83.41621503715568 4.5955e-05 deg
M 146.2863556359088 3.7514e-05 deg
tp 2457938.600779734860
(2017-Jul-04.10077974)
0.00016291 TDB
period 1628.885470962947
4.46
2.9388e-05
8.046e-08
d
yr
n .2210100135445245 3.9874e-09 deg/d
Q 3.112745753040555 3.744e-08 au
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      8535 days (23.37 yr)  
   first obs. used      1995-12-26  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5468  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:50:14  

Additional Information
 Earth MOID = 1.34015 au 
 Jupiter MOID = 2.35653 au 
 T_jup = 3.325 
[ 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 16.2   n/a MPO434373  
rotation period rot_per 4.73 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

382774 (2003 SD77)          Discovered 2003-Sep-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-01-21

Alternate Designations
 2003 SD77 = 2007 RN326 = 2012 SN63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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