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52721 (1998 FH148)
Classification: Main-belt Asteroid          SPK-ID: 2052721
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1747338413980485 3.8362e-08  
a 3.185425142820778 1.9691e-08 au
q 2.628823571129776 1.2203e-07 au
i 3.381956125269309 4.5031e-06 deg
node 105.7447223011436 8.4896e-05 deg
peri 4.295713643945381 8.623e-05 deg
M 59.27279746114755 1.4314e-05 deg
tp 2458858.597358246178
(2020-Jan-10.09735825)
8.1845e-05 TDB
period 2076.584138146279
5.69
1.9255e-05
5.272e-08
d
yr
n .1733616246926379 1.6075e-09 deg/d
Q 3.74202671451178 2.3132e-08 au
  Orbit Determination Parameters
   # obs. used (total)      698  
   data-arc span      10609 days (29.05 yr)  
   first obs. used      1992-03-05  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55184  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:19:37  

Additional Information
 Earth MOID = 1.64541 au 
 Jupiter MOID = 1.38552 au 
 T_jup = 3.172 
[ 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 15.03   n/a E2021B10  

52721 (1998 FH148)          Discovered 1998-Mar-29 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FH148 = 1992 EL25 = 1998 HU157 = 2001 SR226 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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