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20614 (1999 SN3)
Classification: Main-belt Asteroid          SPK-ID: 2020614
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2074651706254995 2.2381e-08  
a 2.277945236129658 9.353e-09 au
q 1.805350939040475 5.1454e-08 au
i 23.518047823542 8.5862e-07 deg
node 258.3832903373799 2.8832e-06 deg
peri 48.73639706232273 4.6031e-06 deg
M 113.4356482019909 5.5762e-06 deg
tp 2458804.805146541713
(2019-Nov-17.30514654)
1.8492e-05 TDB
period 1255.779373617429
3.44
7.7342e-06
2.118e-08
d
yr
n .2866745604866682 1.7656e-09 deg/d
Q 2.750539533218841 1.1293e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2335  
   data-arc span      11426 days (31.28 yr)  
   first obs. used      1989-11-24  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .36234  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:25:01  

Additional Information
 Earth MOID = .845707 au 
 Jupiter MOID = 2.53368 au 
 T_jup = 3.471 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.08   n/a E2021B10  
rotation period rot_per 48.6 h n/a LCDB (Rev. 2020-October); 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:
[Warner, B.D. (2010) Minor Planet Bull. 37, 24-27.]

20614 (1999 SN3)          Discovered 1999-Sep-24 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 SN3 = 1991 JK6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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