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135750 (2002 QM18)
Classification: Main-belt Asteroid          SPK-ID: 2135750
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09399458948104206 6.3351e-08  
a 2.525131276630574 1.3611e-08 au
q 2.287782598897944 1.6176e-07 au
i 2.591715374445703 4.1399e-06 deg
node 96.67930205849727 0.00013943 deg
peri 230.3916935011511 0.00014122 deg
M 209.8093243612857 2.4055e-05 deg
tp 2459811.955476111614
(2022-Aug-20.45547611)
9.9706e-05 TDB
period 1465.630076328389
4.01
1.185e-05
3.244e-08
d
yr
n .2456281471118899 1.986e-09 deg/d
Q 2.762479954363205 1.489e-08 au
  Orbit Determination Parameters
   # obs. used (total)      549  
   data-arc span      7783 days (21.31 yr)  
   first obs. used      2000-01-09  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53765  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:21:50  

Additional Information
 Earth MOID = 1.27511 au 
 Jupiter MOID = 2.49622 au 
 T_jup = 3.446 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.76   n/a E2021B55  
diameter diameter 1.991 km 0.376 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.234   0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

135750 (2002 QM18)          Discovered 2002-Aug-26 by NEAT at Palomar
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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