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245118 (2004 QG18)
Classification: Main-belt Asteroid          SPK-ID: 2245118
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2997619834890978 9.0394e-08  
a 2.388298599070893 1.6056e-08 au
q 1.672377473849168 2.1348e-07 au
i 11.7282014610632 5.2266e-06 deg
node 286.4951370863708 3.534e-05 deg
peri 61.25860754494531 3.642e-05 deg
M 109.3519658609242 9.7537e-06 deg
tp 2458590.998537773729
(2019-Apr-17.49853777)
3.4336e-05 TDB
period 1348.128725815039
3.69
1.3595e-05
3.722e-08
d
yr
n .2670368141457371 2.6928e-09 deg/d
Q 3.104219724292618 2.0869e-08 au
  Orbit Determination Parameters
   # obs. used (total)      351  
   data-arc span      7139 days (19.55 yr)  
   first obs. used      2000-07-07  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49064  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:40:15  

Additional Information
 Earth MOID = .70048 au 
 Jupiter MOID = 2.42722 au 
 T_jup = 3.444 
[ 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 16.4   n/a MPO401856  
diameter diameter 3.569 km 0.560 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

245118 (2004 QG18)          Discovered 2004-Aug-20 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Alternate Designations
 2004 QG18 = 2000 OB11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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