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JPL Small-Body Database Browser
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49018 (1998 QY84)
Classification: Main-belt Asteroid          SPK-ID: 2049018
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1161325273791805 3.697e-08  
a 2.391461045638371 1.1865e-08 au
q 2.113734630279529 9.0523e-08 au
i 6.104563536562998 4.8406e-06 deg
node 239.9119870947623 4.0486e-05 deg
peri 73.35501276639961 4.6627e-05 deg
M 231.7777344208994 2.4654e-05 deg
tp 2459081.621028260059
(2020-Aug-20.12102826)
9.3686e-05 TDB
period 1350.807282895587
3.70
1.0053e-05
2.752e-08
d
yr
n .2665072986786872 1.9834e-09 deg/d
Q 2.669187460997212 1.3243e-08 au
  Orbit Determination Parameters
   # obs. used (total)      894  
   data-arc span      7535 days (20.63 yr)  
   first obs. used      1998-08-19  
   last obs. used      2019-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .556  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:48:53  

Additional Information
 Earth MOID = 1.10858 au 
 Jupiter MOID = 2.55977 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 15.3   n/a MPO436126  

49018 (1998 QY84)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QY84 = 2001 KW71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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