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103115 (1999 XN180)
Classification: Main-belt Asteroid          SPK-ID: 2103115
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1938164592276495 4.0799e-08  
a 2.687320262396453 1.7441e-08 au
q 2.166473364328055 1.1569e-07 au
i 10.04886006582487 5.0723e-06 deg
node 46.65960621581156 2.7923e-05 deg
peri 62.17060974696318 3.2242e-05 deg
M 284.7018292108 1.8477e-05 deg
tp 2459537.057669893587
(2021-Nov-18.55766989)
8.4786e-05 TDB
period 1609.079741138539
4.41
1.5665e-05
4.289e-08
d
yr
n .2237303663678435 2.1781e-09 deg/d
Q 3.208167160464852 2.0822e-08 au
  Orbit Determination Parameters
   # obs. used (total)      764  
   data-arc span      8140 days (22.29 yr)  
   first obs. used      1998-08-26  
   last obs. used      2020-12-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55968  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:33:22  

Additional Information
 Earth MOID = 1.20377 au 
 Jupiter MOID = 2.02886 au 
 T_jup = 3.325 
[ 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 15.08   n/a E2021B55  

103115 (1999 XN180)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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