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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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2654196772721032 4.0453e-08  
a 2.347836285364495 7.7437e-09 au
q 1.724674336215317 9.4765e-08 au
i 7.892059042979938 4.4661e-06 deg
node 93.14253523057525 2.9716e-05 deg
peri 219.7229681177569 3.0698e-05 deg
M 338.5484165650901 7.0016e-06 deg
tp 2459078.799140790672
(2020-Aug-17.29914079)
2.5536e-05 TDB
period 1314.014453533058
3.60
6.5009e-06
1.78e-08
d
yr
n .2739695891716027 1.3554e-09 deg/d
Q 2.970998234513673 9.799e-09 au
  Orbit Determination Parameters
   # obs. used (total)      832  
   data-arc span      10744 days (29.42 yr)  
   first obs. used      1991-05-13  
   last obs. used      2020-10-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53797  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:45:14  

Additional Information
 Earth MOID = .718834 au 
 Jupiter MOID = 2.33134 au 
 T_jup = 3.499 
[ 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 15.7   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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