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150664 (2001 KQ18)
Classification: Main-belt Asteroid          SPK-ID: 2150664
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2118519372015217 2.9934e-08  
a 2.299624346304289 8.175e-09 au
q 1.812444473703943 6.8331e-08 au
i 5.548836638782223 3.6671e-06 deg
node 136.224833336308 5.3255e-05 deg
peri 167.8148084038205 5.473e-05 deg
M 180.2042784284432 1.422e-05 deg
tp 2459836.651603178059
(2022-Sep-14.15160318)		 5.1811e-05 TDB
period 1273.748758548494
3.49		 6.7921e-06
1.86e-08		 d
yr
n .2826303049042729 1.5071e-09 deg/d
Q 2.786804218904636 9.9068e-09 au
   Orbit Determination Parameters
   # obs. used (total)      350  
   data-arc span      8156 days (22.33 yr)  
   first obs. used      1998-09-25  
   last obs. used      2021-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54846  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 10:39:50  

Additional Information
 Earth MOID = .795774 au 
 Jupiter MOID = 2.46188 au 
 T_jup = 3.556 
[ 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 17.0   n/a MPO436761  

150664 (2001 KQ18)          Discovered 2001-May-21 by Spacewatch at Kitt Peak
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Alternate Designations
 2001 KQ18 = 2005 RH30 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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