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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2075037337659405 4.0881e-08  
a 2.277549424233145 1.0491e-08 au
q 1.804949414868299 9.4506e-08 au
i 23.51965486928146 5.8362e-06 deg
node 258.3816225121243 1.1675e-05 deg
peri 48.69013208372346 1.8364e-05 deg
M 56.13969571244999 1.305e-05 deg
tp 2458804.720283287468
(2019-Nov-17.22028329)
4.5323e-05 TDB
period 1255.452084698087
3.44
8.6742e-06
2.375e-08
d
yr
n .2867492948459067 1.9812e-09 deg/d
Q 2.750149433597991 1.2668e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2097  
   data-arc span      11297 days (30.93 yr)  
   first obs. used      1989-11-24  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .36188  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:01:46  

Additional Information
 Earth MOID = .846977 au 
 Jupiter MOID = 2.53448 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 13.9   n/a MPO384931  
rotation period rot_per 48.6 h n/a LCDB (Rev. 2019-August); 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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