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JPL Small-Body Database Browser
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295475 (2008 QM18)
Classification: Main-belt Asteroid          SPK-ID: 2295475
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1857603709562402 6.1548e-08  
a 2.575286005327382 3.0258e-08 au
q 2.096899921659353 1.5009e-07 au
i 12.86588220316074 1.3384e-05 deg
node 340.1703982783474 5.1466e-05 deg
peri 64.67032076779425 7.9828e-05 deg
M 161.3699815263075 5.633e-05 deg
tp 2457923.861231953196
(2017-Jun-19.36123195)
0.00023679 TDB
period 1509.512204146456
4.13
2.6604e-05
7.284e-08
d
yr
n .2384876379343747 4.2032e-09 deg/d
Q 3.05367208899541 3.5879e-08 au
  Orbit Determination Parameters
   # obs. used (total)      108  
   data-arc span      5801 days (15.88 yr)  
   first obs. used      2002-03-10  
   last obs. used      2018-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52955  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 08:58:11  

Additional Information
 Earth MOID = 1.13904 au 
 Jupiter MOID = 2.52341 au 
 T_jup = 3.368 
[ 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 17.2   n/a MPO437321  

295475 (2008 QM18)          Discovered 2008-Aug-28 by Ferrando, R. at Pla D'Arguines
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 2008 QM18 = 2004 SW53 = 2006 DB42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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