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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1368819822787699 4.4069e-08  
a 2.387190563267194 9.6268e-09 au
q 2.060427186890007 1.0798e-07 au
i 10.73966137476314 4.4367e-06 deg
node 160.2541362827422 1.9826e-05 deg
peri 38.02148597376291 2.4463e-05 deg
M 349.5009271283234 1.4242e-05 deg
tp 2458639.789591162029
(2019-Jun-05.28959116)
5.3329e-05 TDB
period 1347.190651137173
3.69
8.1492e-06
2.231e-08
d
yr
n .2672227569988861 1.6164e-09 deg/d
Q 2.713953939644381 1.0944e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1622  
   data-arc span      7587 days (20.77 yr)  
   first obs. used      1998-08-03  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49324  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:34:25  

Additional Information
 Earth MOID = 1.07166 au 
 Jupiter MOID = 2.26136 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 14.1   n/a MPO324729  

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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