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215279 (2001 QN85)
Classification: Main-belt Asteroid          SPK-ID: 2215279
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1793551613671963 5.7592e-08  
a 2.61549525259188 1.8396e-08 au
q 2.146392679508128 1.5318e-07 au
i 14.76991612989495 5.5931e-06 deg
node 36.73503370749906 1.6901e-05 deg
peri 317.2066504958947 2.0673e-05 deg
M 195.6503281576153 1.3781e-05 deg
tp 2459905.835384284169
(2022-Nov-22.33538428)
6.2755e-05 TDB
period 1545.003013975087
4.23
1.63e-05
4.463e-08
d
yr
n .2330092541850568 2.4583e-09 deg/d
Q 3.084597825675633 2.1695e-08 au
  Orbit Determination Parameters
   # obs. used (total)      683  
   data-arc span      8585 days (23.50 yr)  
   first obs. used      1997-10-29  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4773  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:40:48  

Additional Information
 Earth MOID = 1.16574 au 
 Jupiter MOID = 2.43319 au 
 T_jup = 3.338 
[ 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 15.94   n/a E2021B55  
rotation period rot_per 20.682 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

215279 (2001 QN85)          Discovered 2001-Aug-19 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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