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46840 (1998 QZ17)
Classification: Main-belt Asteroid          SPK-ID: 2046840
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07027648387376174 2.8743e-08  
a 2.341453921882185 7.4645e-09 au
q 2.176904773099875 7.0171e-08 au
i 4.943590497918525 3.7499e-06 deg
node 218.3803872772385 3.2302e-05 deg
peri 275.7987771832754 4.2358e-05 deg
M 278.5669811671848 2.7316e-05 deg
tp 2459496.522610714636
(2021-Oct-09.02261071)
9.9574e-05 TDB
period 1308.660066699196
3.58
6.258e-06
1.713e-08
d
yr
n .2750905366188943 1.3155e-09 deg/d
Q 2.506003070664494 7.9891e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1885  
   data-arc span      8712 days (23.85 yr)  
   first obs. used      1997-04-01  
   last obs. used      2021-02-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4792  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:52:54  

Additional Information
 Earth MOID = 1.19727 au 
 Jupiter MOID = 2.51831 au 
 T_jup = 3.556 
[ 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 14.72   n/a E2021B10  
rotation period rot_per 2.095 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

46840 (1998 QZ17)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QZ17 = 2000 AU110 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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