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JPL Small-Body Database Browser
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193891 (2001 QM215)
Classification: Main-belt Asteroid          SPK-ID: 2193891
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1482100610884298 4.1905e-08  
a 2.228600034777733 1.3368e-08 au
q 1.898299087481648 9.8082e-08 au
i 3.327835616961316 6.8983e-06 deg
node 153.1596182776021 8.7753e-05 deg
peri 124.5928423900297 9.1666e-05 deg
M 281.8771226354551 2.8664e-05 deg
tp 2459264.207423797150
(2021-Feb-18.70742380)
9.7559e-05 TDB
period 1215.196825431558
3.33
1.0934e-05
2.994e-08
d
yr
n .2962483051847601 2.6655e-09 deg/d
Q 2.558900982073817 1.5349e-08 au
  Orbit Determination Parameters
   # obs. used (total)      270  
   data-arc span      7401 days (20.26 yr)  
   first obs. used      2000-01-12  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60356  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 05:58:37  

Additional Information
 Earth MOID = .884315 au 
 Jupiter MOID = 2.55509 au 
 T_jup = 3.627 
[ 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 17.2   n/a MPO459867  

193891 (2001 QM215)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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