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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05609103503519929 5.9406e-08  
a 2.256393862443276 1.4277e-08 au
q 2.129830395251761 1.368e-07 au
i 5.042823065654017 6.8853e-06 deg
node 192.6677865614692 5.0351e-05 deg
peri 30.37430784580355 6.8644e-05 deg
M 305.9396342368442 4.8528e-05 deg
tp 2458786.407653992159
(2019-Oct-29.90765399)
0.0001675 TDB
period 1238.000418465357
3.39
1.175e-05
3.217e-08
d
yr
n .2907915010612526 2.7599e-09 deg/d
Q 2.38295732963479 1.5078e-08 au
  Orbit Determination Parameters
   # obs. used (total)      234  
   data-arc span      7242 days (19.83 yr)  
   first obs. used      1999-04-15  
   last obs. used      2019-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62398  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:20:33  

Additional Information
 Earth MOID = 1.1232 au 
 Jupiter MOID = 2.5846 au 
 T_jup = 3.616 
[ 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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