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JPL Small-Body Database Browser
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56003 (1998 SB156)
Classification: Main-belt Asteroid          SPK-ID: 2056003
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 .2064819917226313 3.4303e-08  
a 2.311908982071361 6.1281e-09 au
q 1.834541410771826 7.9649e-08 au
i 2.858792091104819 4.6664e-06 deg
node 44.29047145905136 8.9326e-05 deg
peri 19.63859567725649 9.0422e-05 deg
M 270.7300239555431 1.4226e-05 deg
tp 2458918.888551207513
(2020-Mar-10.38855121)
5.1173e-05 TDB
period 1283.968961497461
3.52
5.1051e-06
1.398e-08
d
yr
n .280380609497087 1.1148e-09 deg/d
Q 2.789276553370897 7.3934e-09 au
  Orbit Determination Parameters
   # obs. used (total)      601  
   data-arc span      7741 days (21.19 yr)  
   first obs. used      1998-09-15  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54925  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 05:39:52  

Additional Information
 Earth MOID = .847824 au 
 Jupiter MOID = 2.53213 au 
 T_jup = 3.553 
[ 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 16.6   n/a MPO449362  

56003 (1998 SB156)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SB156 = 2000 HA39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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