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212385 (2006 HL84)
Classification: Main-belt Asteroid          SPK-ID: 2212385
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05660987664958474 5.3056e-08  
a 2.257375355934555 1.3167e-08 au
q 2.129585615483288 1.2026e-07 au
i 5.041894568310433 6.2275e-06 deg
node 192.6382562410784 4.9939e-05 deg
peri 30.47132284924319 6.6968e-05 deg
M 62.14690357126451 4.599e-05 deg
tp 2458786.644171872751
(2019-Oct-30.14417187)
0.00015775 TDB
period 1238.808270431794
3.39
1.0839e-05
2.968e-08
d
yr
n .2906018700331408 2.5426e-09 deg/d
Q 2.385165096385823 1.3913e-08 au
  Orbit Determination Parameters
   # obs. used (total)      245  
   data-arc span      7732 days (21.17 yr)  
   first obs. used      1999-04-15  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6029  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 04:11:15  

Additional Information
 Earth MOID = 1.12287 au 
 Jupiter MOID = 2.58157 au 
 T_jup = 3.615 
[ 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 17.5   n/a MPO422825  

212385 (2006 HL84)          Discovered 2006-Apr-26 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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