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46854 (1998 QY42)
Classification: Main-belt Asteroid          SPK-ID: 2046854
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1378806891155628 6.5436e-09  
a 2.386840902094559 7.597e-09 au
q 2.05774163370455 1.3809e-08 au
i 10.74681456135413 6.0006e-07 deg
node 160.2088353172839 3.4532e-06 deg
peri 37.91436917095459 8.1179e-06 deg
M 149.8943368906272 7.6383e-06 deg
tp 2458639.689212918123
(2019-Jun-05.18921292)
2.7675e-05 TDB
period 1346.8946695217
3.69
6.4305e-06
1.761e-08
d
yr
n .2672814794996856 1.2761e-09 deg/d
Q 2.715940170484569 8.6445e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2227  
   data-arc span      8223 days (22.51 yr)  
   first obs. used      1998-08-03  
   last obs. used      2021-02-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47829  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:53:02  

Additional Information
 Earth MOID = 1.06798 au 
 Jupiter MOID = 2.25703 au 
 T_jup = 3.498 
[ 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 14.21   n/a E2021B10  

46854 (1998 QY42)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QY42 = 1998 RT26 = 2000 AJ189 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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