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74047 (1998 HF107)
Classification: Main-belt Asteroid          SPK-ID: 2074047
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2654196788079314 4.0717e-08  
a 2.34783628537597 7.8664e-09 au
q 1.724674332617874 9.5495e-08 au
i 7.892059860111439 4.6804e-06 deg
node 93.14253132627881 3.0542e-05 deg
peri 219.7229720357744 3.1544e-05 deg
M 338.5484165554561 7.6092e-06 deg
tp 2459078.799140826411
(2020-Aug-17.29914083)
2.7782e-05 TDB
period 1314.014453542692
3.60
6.6039e-06
1.808e-08
d
yr
n .2739695891695941 1.3769e-09 deg/d
Q 2.970998238134067 9.9543e-09 au
  Orbit Determination Parameters
   # obs. used (total)      753  
   data-arc span      10678 days (29.23 yr)  
   first obs. used      1991-05-13  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55147  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:09:55  

Additional Information
 Earth MOID = .718834 au 
 Jupiter MOID = 2.33134 au 
 T_jup = 3.499 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457247.5 (2015-Aug-13.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2645803329507119 4.0747e-08  
q 1.727605546073123 9.5432e-08 au
tp 2457765.011628738985
(2017-Jan-11.51162874)
2.8589e-05 TDB
node 93.20235530997344 3.0528e-05 deg
peri 219.5824797603884 3.1543e-05 deg
i 7.891849198575769 4.68e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      753  
   data-arc span      10678 days (29.23 yr)  
   first obs. used      1991-05-13  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55147  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:09:55  

Additional Information
 Jupiter MOID = 2.33134 au 
 T_jup = 3.499 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.66034864669854E-15 -3.881389578701668E-15 -1.773068521693311E-13 5.061352719875044E-15 -1.095337876613468E-14 4.550902345639898E-16
q -3.881389578701668E-15 9.107183256670561E-15 3.827067336630557E-13 -1.139861673624014E-14 1.311036126713845E-14 -1.271120029347042E-15
tp -1.773068521693311E-13 3.827067336630557E-13 8.173205586393644E-10 2.35283509262665E-12 2.389873833689779E-10 2.359817440560967E-12
node 5.061352719875044E-15 -1.139861673624014E-14 2.35283509262665E-12 9.319796568708542E-10 -9.220132048987965E-10 -5.596872273977229E-12
peri -1.095337876613468E-14 1.311036126713845E-14 2.389873833689779E-10 -9.220132048987965E-10 9.949385953816501E-10 6.308121790338292E-12
i 4.550902345639898E-16 -1.271120029347042E-15 2.359817440560967E-12 -5.596872273977229E-12 6.308121790338292E-12 2.190274692946638E-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 15.7   n/a MPO432293  

74047 (1998 HF107)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 HF107 = 1991 JM4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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