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JPL Small-Body Database Browser
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74255 (1998 SL76)
Classification: Main-belt Asteroid          SPK-ID: 2074255
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09924649754795434 4.9331e-08  
a 2.659273226385763 1.8574e-08 au
q 2.395349672643928 1.3691e-07 au
i 14.66147106934608 5.0979e-06 deg
node 210.0093829176558 2.1039e-05 deg
peri 93.13125351656296 3.3008e-05 deg
M 311.066904573099 2.4913e-05 deg
tp 2458815.799517797379
(2019-Nov-28.29951780)
0.00010973 TDB
period 1583.955107087841
4.34
1.6595e-05
4.543e-08
d
yr
n .2272791687018662 2.3812e-09 deg/d
Q 2.923196780127598 2.0417e-08 au
  Orbit Determination Parameters
   # obs. used (total)      449  
   data-arc span      8143 days (22.29 yr)  
   first obs. used      1997-05-02  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59757  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:43:29  

Additional Information
 Earth MOID = 1.43543 au 
 Jupiter MOID = 2.30113 au 
 T_jup = 3.333 
[ 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 15.3   n/a MPO432295  

74255 (1998 SL76)          Discovered 1998-Sep-19 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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