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JPL Small-Body Database Browser
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59976 (1999 SU4)
Classification: Main-belt Asteroid          SPK-ID: 2059976
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .1234990412358453 4.7769e-08  
a 3.0995490121101 3.1435e-08 au
q 2.716757680850991 1.5499e-07 au
i 17.86337518788947 7.0531e-06 deg
node 208.5832382209895 1.6522e-05 deg
peri 107.0735192786265 3.2232e-05 deg
M 236.1596545970704 2.8825e-05 deg
tp 2459286.155308668110
(2021-Mar-12.65530867)
0.0001637 TDB
period 1993.178477639165
5.46
3.0321e-05
8.301e-08
d
yr
n .1806160381715564 2.7476e-09 deg/d
Q 3.482340343369208 3.5317e-08 au
  Orbit Determination Parameters
   # obs. used (total)      585  
   data-arc span      7651 days (20.95 yr)  
   first obs. used      1998-05-23  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59873  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:16:20  

Additional Information
 Earth MOID = 1.7692 au 
 Jupiter MOID = 1.95267 au 
 T_jup = 3.137 
[ 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 14.2   n/a MPO432154  

59976 (1999 SU4)          Discovered 1999-Sep-29 by CSS at Catalina
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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