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43145 (1999 XT98)
Classification: Main-belt Asteroid          SPK-ID: 2043145
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03089258693765798 2.2342e-08  
a 3.052216837811388 1.5277e-08 au
q 2.957925963796716 7.0632e-08 au
i 12.05272180048325 2.7589e-07 deg
node 80.03640872363151 1.4589e-06 deg
peri 18.26480973677105 3.3836e-05 deg
M 324.6939950344453 3.0553e-05 deg
tp 2459391.515047069481
(2021-Jun-26.01504707)
0.00016497 TDB
period 1947.697481267063
5.33
1.4623e-05
4.004e-08
d
yr
n .1848336322567939 1.3877e-09 deg/d
Q 3.14650771182606 1.5749e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1934  
   data-arc span      10902 days (29.85 yr)  
   first obs. used      1991-05-08  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47614  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:16:24  

Additional Information
 Earth MOID = 1.97608 au 
 Jupiter MOID = 2.02164 au 
 T_jup = 3.202 
[ 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 13.20   n/a MPCxxxxx  

43145 (1999 XT98)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XT98 = 1997 MY11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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