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193911 (2001 QW252)
Classification: Main-belt Asteroid          SPK-ID: 2193911
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1293807834246451 4.4254e-08  
a 2.225400406644062 1.3261e-08 au
q 1.937476358598929 1.0127e-07 au
i 6.987905778900002 5.5752e-06 deg
node 141.1116033571229 4.0839e-05 deg
peri 147.771001111892 4.8606e-05 deg
M 270.1760163708511 3.0729e-05 deg
tp 2459303.052316528870
(2021-Mar-29.55231653)
0.0001049 TDB
period 1212.580755715314
3.32
1.0839e-05
2.968e-08
d
yr
n .2968874430038537 2.6537e-09 deg/d
Q 2.513324454689194 1.4977e-08 au
  Orbit Determination Parameters
   # obs. used (total)      240  
   data-arc span      7329 days (20.07 yr)  
   first obs. used      2000-01-10  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65008  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:11:31  

Additional Information
 Earth MOID = .92536 au 
 Jupiter MOID = 2.64913 au 
 T_jup = 3.625 
[ 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 16.9   n/a MPO459867  

193911 (2001 QW252)          Discovered 2001-Aug-25 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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