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JPL Small-Body Database Browser
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49414 (1998 XT65)
Classification: Main-belt Asteroid          SPK-ID: 2049414
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1930055283403933 4.073e-08  
a 2.605461899384117 1.0045e-08 au
q 2.102593348922721 1.0616e-07 au
i 6.486506996720991 4.727e-06 deg
node 65.28034502459145 3.5561e-05 deg
peri 356.6787231608222 3.7535e-05 deg
M 308.4313265696201 1.015e-05 deg
tp 2458820.543718666095
(2019-Dec-03.04371867)
4.3228e-05 TDB
period 1536.121320373678
4.21
8.8831e-06
2.432e-08
d
yr
n .23435648944214 1.3552e-09 deg/d
Q 3.108330449845514 1.1983e-08 au
  Orbit Determination Parameters
   # obs. used (total)      702  
   data-arc span      15340 days (42.00 yr)  
   first obs. used      1977-12-07  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4853  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:19:39  

Additional Information
 Earth MOID = 1.11536 au 
 Jupiter MOID = 2.22504 au 
 T_jup = 3.377 
[ 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 15.4   n/a MPO502485  

49414 (1998 XT65)          Discovered 1998-Dec-14 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 XT65 = 1977 XS1 = 1996 HW2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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