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JPL Small-Body Database Browser
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245809 (2006 HL121)
Classification: Main-belt Asteroid          SPK-ID: 2245809
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2698112866739811 5.6431e-08  
a 2.623518668837654 2.8716e-08 au
q 1.915663721185356 1.5184e-07 au
i 12.85875154205288 7.1678e-06 deg
node 150.9956151207384 2.7371e-05 deg
peri 218.6173291169001 3.1239e-05 deg
M 2.068784215577656 2.1036e-05 deg
tp 2458991.580564721214
(2020-May-22.08056472)
9.058e-05 TDB
period 1552.117749248313
4.25
2.5483e-05
6.977e-08
d
yr
n .2319411656585637 3.808e-09 deg/d
Q 3.331373616489952 3.6463e-08 au
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      9140 days (25.02 yr)  
   first obs. used      1994-08-10  
   last obs. used      2019-08-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62942  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:16:35  

Additional Information
 Earth MOID = .93042 au 
 Jupiter MOID = 2.17183 au 
 T_jup = 3.317 
[ 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 16.4   n/a MPO440247  

245809 (2006 HL121)          Discovered 2006-Apr-30 by Spacewatch at Kitt Peak
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

Alternate Designations
 2006 HL121 = 1994 PF36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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