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JPL Small-Body Database Browser
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37954 (1998 HF47)
Classification: Main-belt Asteroid          SPK-ID: 2037954
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .218605336020368 6.0997e-08  
a 2.758962934900849 2.0645e-08 au
q 2.155838915449108 1.6598e-07 au
i 13.78889505904244 5.2872e-06 deg
node 40.16328776370013 2.2332e-05 deg
peri 295.6089389670856 2.6048e-05 deg
M 185.7476125612118 1.9553e-05 deg
tp 2459810.702282284820
(2022-Aug-19.20228228)
9.6899e-05 TDB
period 1673.852656538177
4.58
1.8788e-05
5.144e-08
d
yr
n .2150726938800836 2.414e-09 deg/d
Q 3.362086954352589 2.5158e-08 au
  Orbit Determination Parameters
   # obs. used (total)      833  
   data-arc span      13970 days (38.25 yr)  
   first obs. used      1981-11-03  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55736  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:41:18  

Additional Information
 Earth MOID = 1.18891 au 
 Jupiter MOID = 2.21112 au 
 T_jup = 3.266 
[ 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 14.4   n/a MPO468211  

37954 (1998 HF47)          Discovered 1998-Apr-20 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HF47 = 1981 VK1 = 2000 XR29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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