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135140 (2001 QJ197)
Classification: Inner Main-belt Asteroid          SPK-ID: 2135140
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05927051761916305 4.5007e-08  
a 1.924065591179506 7.8233e-09 au
q 1.810025227657076 8.4526e-08 au
i 17.74770929221846 4.4106e-06 deg
node 313.4985956956122 1.0844e-05 deg
peri 347.7054460295861 3.2579e-05 deg
M 143.968745047813 3.3169e-05 deg
tp 2458810.653217168686
(2019-Nov-23.15321717)
8.8616e-05 TDB
period 974.8285419357064
2.67
5.9455e-06
1.628e-08
d
yr
n .3692957115157419 2.2524e-09 deg/d
Q 2.038105954701936 8.287e-09 au
  Orbit Determination Parameters
   # obs. used (total)      749  
   data-arc span      8219 days (22.50 yr)  
   first obs. used      1998-08-17  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49025  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:11:41  

Additional Information
 Earth MOID = .795096 au 
 Jupiter MOID = 3.18697 au 
 T_jup = 3.861 
[ 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 16.42   n/a MPCxxxxx  

135140 (2001 QJ197)          Discovered 2001-Aug-22 by NEAT at Palomar
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

Alternate Designations
 2001 QJ197 = 2000 ED150 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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