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JPL Small-Body Database Browser
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59778 (1999 NO39)
Classification: Main-belt Asteroid          SPK-ID: 2059778
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2016023551189033 5.1986e-08  
a 2.588961270267041 1.6754e-08 au
q 2.067020580869578 1.3654e-07 au
i 8.216661156258182 4.6477e-06 deg
node 325.6554485472379 3.8001e-05 deg
peri 24.4889850962905 3.9553e-05 deg
M 334.8755625043671 1.3498e-05 deg
tp 2459106.689262305421
(2020-Sep-14.18926231)
5.7471e-05 TDB
period 1521.551853114979
4.17
1.477e-05
4.044e-08
d
yr
n .2366005465163703 2.2967e-09 deg/d
Q 3.110901959664504 2.0132e-08 au
  Orbit Determination Parameters
   # obs. used (total)      751  
   data-arc span      11581 days (31.71 yr)  
   first obs. used      1987-10-20  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51177  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:54:17  

Additional Information
 Earth MOID = 1.0635 au 
 Jupiter MOID = 2.32465 au 
 T_jup = 3.377 
[ 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 14.9   n/a MPO290876  
rotation period rot_per 5.52 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

59778 (1999 NO39)          Discovered 1999-Jul-14 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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