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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1155015201685753 4.0762e-08  
a 2.392370827612602 9.9514e-09 au
q 2.116048360216394 9.8384e-08 au
i 5.791995829113731 4.3427e-06 deg
node 250.2607703496184 4.3539e-05 deg
peri 69.80036831479964 4.7921e-05 deg
M 16.32956373916316 2.0936e-05 deg
tp 2459139.192549606076
(2020-Oct-16.69254961)
7.8514e-05 TDB
period 1351.578186310066
3.70
8.4332e-06
2.309e-08
d
yr
n .2663552901684759 1.6619e-09 deg/d
Q 2.66869329500881 1.1101e-08 au
  Orbit Determination Parameters
   # obs. used (total)      839  
   data-arc span      10653 days (29.17 yr)  
   first obs. used      1991-11-07  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5606  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:53:09  

Additional Information
 Earth MOID = 1.10938 au 
 Jupiter MOID = 2.58647 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 15.45   n/a E2021B10  
rotation period rot_per 8.825 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:
[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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