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58444 (1996 HR12)
Classification: Main-belt Asteroid          SPK-ID: 2058444
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1529162168293315 4.5953e-08  
a 2.314856649684762 9.2266e-09 au
q 1.960877528312747 1.065e-07 au
i .4272093783962177 4.2461e-06 deg
node 79.11332870842882 0.00063359 deg
peri 128.7210505646461 0.0006337 deg
M 6.726932463300353 1.2552e-05 deg
tp 2459176.461954850233
(2020-Nov-22.96195485)
4.48e-05 TDB
period 1286.425321069806
3.52
7.6912e-06
2.106e-08
d
yr
n .279845237888057 1.6731e-09 deg/d
Q 2.668835771056777 1.0638e-08 au
  Orbit Determination Parameters
   # obs. used (total)      563  
   data-arc span      10330 days (28.28 yr)  
   first obs. used      1992-02-01  
   last obs. used      2020-05-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58418  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 11:30:17  

Additional Information
 Earth MOID = .955199 au 
 Jupiter MOID = 2.29071 au 
 T_jup = 3.566 
[ 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 16.53   n/a E2021B10  

58444 (1996 HR12)          Discovered 1996-Apr-17 by Elst, E. W. at La Silla
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1996 HR12 = 1998 WT34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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