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103153 (1999 XT220)
Classification: Main-belt Asteroid          SPK-ID: 2103153
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1485791138562239 5.7321e-08  
a 2.275504923351209 1.038e-08 au
q 1.937412418264211 1.2915e-07 au
i 6.998145898922421 5.0893e-06 deg
node 102.7413961066183 4.8923e-05 deg
peri 259.7958794360641 5.1763e-05 deg
M 88.27042377969873 1.9106e-05 deg
tp 2458893.083051766806
(2020-Feb-13.58305177)
6.5749e-05 TDB
period 1253.761980798408
3.43
8.5789e-06
2.349e-08
d
yr
n .2871358403855479 1.9647e-09 deg/d
Q 2.613597428438206 1.1922e-08 au
  Orbit Determination Parameters
   # obs. used (total)      504  
   data-arc span      7773 days (21.28 yr)  
   first obs. used      1999-10-09  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62231  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:45:22  

Additional Information
 Earth MOID = .947448 au 
 Jupiter MOID = 2.85381 au 
 T_jup = 3.585 
[ 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 16.56   n/a MPCxxxxx  

103153 (1999 XT220)          Discovered 1999-Dec-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 XT220 = 2002 NX41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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