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JPL Small-Body Database Browser
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469218 (2016 HE2)
Classification: Main-belt Asteroid          SPK-ID: 2469218
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1089165375648712 6.2646e-08  
a 2.968407091058856 6.7808e-08 au
q 2.645098468617714 1.7067e-07 au
i 14.06592329812879 8.8354e-06 deg
node 49.95902702280525 2.5374e-05 deg
peri 120.9090552187797 5.4436e-05 deg
M 252.8621427089377 4.3697e-05 deg
tp 2459156.435072099933
(2020-Nov-02.93507210)
0.00022894 TDB
period 1868.029014359163
5.11
6.4008e-05
1.752e-07
d
yr
n .1927164927486418 6.6034e-09 deg/d
Q 3.291715713499997 7.5193e-08 au
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      7275 days (19.92 yr)  
   first obs. used      1998-11-17  
   last obs. used      2018-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58888  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 05:39:26  

Additional Information
 Earth MOID = 1.67901 au 
 Jupiter MOID = 1.76151 au 
 T_jup = 3.210 
[ 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 16.1   n/a MPO380668  

469218 (2016 HE2)          Discovered 2008-Sep-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2016-06-21

[ show close-approach data ]
Alternate Designations
 2016 HE2 = 2010 GF87 = 2015 AA256 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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