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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1162698686422365 3.6867e-08  
a 2.392713073538006 9.2006e-09 au
q 2.11451263877918 8.999e-08 au
i 6.102606404655453 3.4272e-06 deg
node 239.9053913569701 3.731e-05 deg
peri 73.07517737720622 4.1062e-05 deg
M 338.626675470663 1.5144e-05 deg
tp 2459080.760884221597
(2020-Aug-19.26088422)
5.6719e-05 TDB
period 1351.868226214186
3.70
7.7974e-06
2.135e-08
d
yr
n .266298144315556 1.536e-09 deg/d
Q 2.670913508296832 1.027e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1079  
   data-arc span      8107 days (22.20 yr)  
   first obs. used      1998-08-19  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52226  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:34:41  

Additional Information
 Earth MOID = 1.11009 au 
 Jupiter MOID = 2.55819 au 
 T_jup = 3.514 
[ 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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