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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1932101757238964 4.0714e-08  
a 2.60607487899815 1.0078e-08 au
q 2.102554693677285 1.0617e-07 au
i 6.486030356461754 4.7267e-06 deg
node 65.28019009469028 3.5564e-05 deg
peri 356.6326249471709 3.7534e-05 deg
M 42.19059332575725 1.0111e-05 deg
tp 2458820.409047992057
(2019-Dec-02.90904799)
4.3194e-05 TDB
period 1536.663450600948
4.21
8.9136e-06
2.44e-08
d
yr
n .2342738091800215 1.3589e-09 deg/d
Q 3.109595064319015 1.2025e-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 = 1.11564 au 
 Jupiter MOID = 2.22446 au 
 T_jup = 3.376 
[ 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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