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344975 (2004 XE100)
Classification: Main-belt Asteroid          SPK-ID: 2344975
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1429243402925331 1.0499e-07  
a 2.585134966378943 2.75e-08 au
q 2.215656256742073 2.9125e-07 au
i 6.921234692235119 3.8065e-06 deg
node 103.7375308217657 6.6863e-05 deg
peri 315.3505154330448 7.8187e-05 deg
M 288.4529432361481 4.3251e-05 deg
tp 2459302.225858653496
(2021-Mar-28.72585865)
0.00018615 TDB
period 1518.179978720492
4.16
2.4225e-05
6.632e-08
d
yr
n .2371260358099338 3.7837e-09 deg/d
Q 2.954613676015813 3.143e-08 au
  Orbit Determination Parameters
   # obs. used (total)      268  
   data-arc span      8687 days (23.78 yr)  
   first obs. used      1997-02-03  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5332  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:56:05  

Additional Information
 Earth MOID = 1.23469 au 
 Jupiter MOID = 2.36274 au 
 T_jup = 3.398 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457847.5 (2017-Apr-04.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1442545578227874 1.0742e-07  
q 2.211974164647689 2.9891e-07 au
tp 2457778.984059777835
(2017-Jan-25.48405978)
0.00016255 TDB
node 103.7988806320241 6.7034e-05 deg
peri 314.3462734101796 7.7767e-05 deg
i 6.913831361353751 3.8008e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      268  
   data-arc span      8687 days (23.78 yr)  
   first obs. used      1997-02-03  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5332  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:56:05  

Additional Information
 Jupiter MOID = 2.36274 au 
 T_jup = 3.398 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.15397104898212E-14 -3.207920337681305E-14 -1.486176682342324E-11 -3.0688165999404E-13 -3.46890744497134E-12 -5.43439858135641E-14
q -3.207920337681305E-14 8.934823072217662E-14 4.143468266178772E-11 8.56531116572912E-13 9.673745457034263E-12 1.517760505883174E-13
tp -1.486176682342324E-11 4.143468266178772E-11 2.642250658296729E-8 3.940518029614293E-10 6.505743277259937E-9 7.877286321163898E-11
node -3.0688165999404E-13 8.56531116572912E-13 3.940518029614293E-10 4.493553320630235E-9 -4.361771731082757E-9 1.375336654078744E-11
peri -3.46890744497134E-12 9.673745457034263E-12 6.505743277259937E-9 -4.361771731082757E-9 6.047650774833256E-9 6.599721098806452E-12
i -5.43439858135641E-14 1.517760505883174E-13 7.877286321163898E-11 1.375336654078744E-11 6.599721098806452E-12 1.444607903972553E-11

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 16.5   n/a MPO437461  

344975 (2004 XE100)          Discovered 2004-Dec-12 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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