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215253 (2001 MG18)
Classification: Main-belt Asteroid          SPK-ID: 2215253
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2731543954696971 4.4521e-08  
a 2.564805484077048 1.4346e-08 au
q 1.864217592576618 1.181e-07 au
i 5.743561137378459 5.9474e-06 deg
node 45.92918768739258 4.4523e-05 deg
peri 247.2770368930546 4.667e-05 deg
M 218.3805267990461 1.8616e-05 deg
tp 2459590.701829097836
(2022-Jan-11.20182910)
8.1628e-05 TDB
period 1500.306798724837
4.11
1.2587e-05
3.446e-08
d
yr
n .2399509222420218 2.0132e-09 deg/d
Q 3.265393375577478 1.8264e-08 au
  Orbit Determination Parameters
   # obs. used (total)      446  
   data-arc span      8192 days (22.43 yr)  
   first obs. used      1997-08-30  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58623  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:21:04  

Additional Information
 Earth MOID = .85743 au 
 Jupiter MOID = 1.97526 au 
 T_jup = 3.373 
[ 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 15.9   n/a MPO470311  

215253 (2001 MG18)          Discovered 2001-Jun-22 by NEAT at Palomar
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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