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46869 (1998 QC97)
Classification: Main-belt Asteroid          SPK-ID: 2046869
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .115643499224226 4.5948e-08  
a 2.391792404968743 1.1126e-08 au
q 2.115197161840231 1.0868e-07 au
i 5.794581558266989 4.4974e-06 deg
node 250.2817774798257 4.5906e-05 deg
peri 70.17209393347675 5.1543e-05 deg
M 216.1478080384402 2.5937e-05 deg
tp 2459140.380490379416
(2020-Oct-17.88049038)
9.8903e-05 TDB
period 1351.088043125028
3.70
9.4275e-06
2.581e-08
d
yr
n .2664519176465587 1.8592e-09 deg/d
Q 2.668387648097256 1.2413e-08 au
  Orbit Determination Parameters
   # obs. used (total)      787  
   data-arc span      10014 days (27.42 yr)  
   first obs. used      1991-11-07  
   last obs. used      2019-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56674  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:39:40  

Additional Information
 Earth MOID = 1.10975 au 
 Jupiter MOID = 2.58802 au 
 T_jup = 3.515 
[ 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 15.5   n/a MPO436109  
rotation period rot_per 8.825 h n/a LCDB (Rev. 2019-January); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

46869 (1998 QC97)          Discovered 1998-Aug-23 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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