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JPL Small-Body Database Browser
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393813 (2005 QN181)
Classification: Main-belt Asteroid          SPK-ID: 2393813
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1802578332876784 1.1581e-07  
a 3.081281957674626 4.9681e-08 au
q 2.525856748235781 3.4777e-07 au
i 2.378923179813227 1.0049e-05 deg
node 42.27532675809441 0.00022102 deg
peri 322.4687436175971 0.00022273 deg
M 256.7536025949372 3.2973e-05 deg
tp 2459567.088811509612
(2021-Dec-18.58881151)
0.00019093 TDB
period 1975.584400714968
5.41
4.778e-05
1.308e-07
d
yr
n .1822245609297761 4.4072e-09 deg/d
Q 3.636707167113469 5.8637e-08 au
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      4963 days (13.59 yr)  
   first obs. used      2005-08-30  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64385  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 08:06:48  

Additional Information
 Earth MOID = 1.52455 au 
 Jupiter MOID = 1.82211 au 
 T_jup = 3.201 
[ 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 16.3   n/a MPO434464  

393813 (2005 QN181)          Discovered 2005-Aug-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-05-15

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