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JPL Small-Body Database Browser
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59015 (1998 SH74)
Classification: Main-belt Asteroid          SPK-ID: 2059015
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .26539358202833 2.9835e-08  
a 2.54868198060308 1.0767e-08 au
q 1.87227814031977 7.2329e-08 au
i 5.35695598628419 5.8796e-06 deg
node 54.85638632492407 0.00010223 deg
peri 30.01535423162634 0.00010523 deg
M 76.1970027504112 2.4686e-05 deg
tp 2458685.937254080792
(2019-Jul-21.43725408)
0.0001009 TDB
period 1486.18166651317
4.07
9.4175e-06
2.578e-08
d
yr
n .242231490343048 1.535e-09 deg/d
Q 3.22508582088639 1.3624e-08 au
  Orbit Determination Parameters
   # obs. used (total)      898  
   data-arc span      9306 days (25.48 yr)  
   first obs. used      1994-10-31  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51957  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:42:33  

Additional Information
 Earth MOID = .890543 au 
 Jupiter MOID = 2.03607 au 
 T_jup = 3.385 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456981.5 (2014-Nov-20.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2642756401228009 3.0006e-08  
q 1.875893543752642 7.2707e-08 au
tp 2457200.199541849994
(2015-Jun-26.69954185)
9.7437e-05 TDB
node 54.89821352833407 0.00010229 deg
peri 30.21150704137685 0.00010531 deg
i 5.354388462328387 5.8759e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      898  
   data-arc span      9306 days (25.48 yr)  
   first obs. used      1994-10-31  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51957  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:42:33  

Additional Information
 Jupiter MOID = 2.03607 au 
 T_jup = 3.385 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.003447435831696E-16 -2.172606027116507E-15 5.89716087033505E-13 -4.12594017135633E-15 1.309358383941976E-13 4.881071164008279E-17
q -2.172606027116507E-15 5.286330287187038E-15 -1.228389358534045E-12 1.317268210843694E-14 -2.720630310033409E-13 -5.656622572607855E-16
tp 5.89716087033505E-13 -1.228389358534045E-12 9.493872230680499E-9 -1.282708388659411E-10 2.593094171681749E-9 -2.009340262289654E-12
node -4.12594017135633E-15 1.317268210843694E-14 -1.282708388659411E-10 1.046355413424504E-8 -1.045154168613628E-8 -4.829156093216362E-10
peri 1.309358383941976E-13 -2.720630310033409E-13 2.593094171681749E-9 -1.045154168613628E-8 1.109023044368505E-8 4.803316644783406E-10
i 4.881071164008279E-17 -5.656622572607855E-16 -2.009340262289654E-12 -4.829156093216362E-10 4.803316644783406E-10 3.45267128846928E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO365932  

59015 (1998 SH74)          Discovered 1998-Sep-21 by Elst, E. W. at La Silla
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SH74 = 2000 HR5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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