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JPL Small-Body Database Browser
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312369 (2008 ET5)
Classification: Main-belt Asteroid          SPK-ID: 2312369
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .209943426502213 5.9139e-08  
a 2.719665519033445 2.6959e-08 au
q 2.148689621027644 1.5486e-07 au
i 2.525552772682061 5.8637e-06 deg
node 294.1036616572411 0.0001807 deg
peri 192.5036383671306 0.00018151 deg
M 202.9601990260115 1.8605e-05 deg
tp 2459315.126151489904
(2021-Apr-10.62615149)
8.9365e-05 TDB
period 1638.217909986895
4.49
2.4358e-05
6.669e-08
d
yr
n .2197509853880671 3.2674e-09 deg/d
Q 3.290641417039247 3.2619e-08 au
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      6146 days (16.83 yr)  
   first obs. used      2002-12-05  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56802  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 08:10:44  

Additional Information
 Earth MOID = 1.16443 au 
 Jupiter MOID = 1.78498 au 
 T_jup = 3.326 
[ 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 16.8   n/a MPO303130  

312369 (2008 ET5)          Discovered 2008-Mar-02 by LINEAR at Socorro
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2008 ET5 = 2002 XN18 = 2006 SZ308 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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