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97279 (1999 XT144)
Classification: Main-belt Asteroid          SPK-ID: 2097279
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06146062525871017 4.5046e-08  
a 3.184755823953528 3.1885e-08 au
q 2.989018739717026 1.5705e-07 au
i 18.20146429152247 5.0076e-06 deg
node 104.4335266045499 1.5118e-05 deg
peri 341.3457629337406 5.0438e-05 deg
M 230.6518318051768 5.1344e-05 deg
tp 2459746.382502960353
(2022-Jun-15.88250296)
0.00030108 TDB
period 2075.929677344081
5.68
3.1176e-05
8.536e-08
d
yr
n .1734162789466836 2.6043e-09 deg/d
Q 3.380492908190031 3.3845e-08 au
  Orbit Determination Parameters
   # obs. used (total)      718  
   data-arc span      7593 days (20.79 yr)  
   first obs. used      1999-12-02  
   last obs. used      2020-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58502  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:19:04  

Additional Information
 Earth MOID = 2.0099 au 
 Jupiter MOID = 1.80247 au 
 T_jup = 3.117 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457321.5 (2015-Oct-26.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06223497007020484 4.503e-08  
q 2.985886939821361 1.5757e-07 au
tp 2457641.922133740319
(2016-Sep-10.42213374)
0.00028225 TDB
node 104.5621204687235 1.5181e-05 deg
peri 336.6062232155597 4.9626e-05 deg
i 18.1584219506116 4.9941e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      718  
   data-arc span      7593 days (20.79 yr)  
   first obs. used      1999-12-02  
   last obs. used      2020-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58502  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:19:04  

Additional Information
 Jupiter MOID = 1.80247 au 
 T_jup = 3.117 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.027674601649936E-15 -6.989546520417024E-15 -1.697528725455303E-12 -3.118933163237661E-15 -2.089652450919638E-13 -2.682681804395265E-15
q -6.989546520417024E-15 2.482781348030393E-14 8.857533339700351E-12 6.500460466601585E-15 1.208430657459593E-12 1.319521619075715E-14
tp -1.697528725455303E-12 8.857533339700351E-12 7.966385249862857E-8 -4.06515297503949E-14 1.335755366879348E-8 4.386138678535835E-11
node -3.118933163237661E-15 6.500460466601585E-15 -4.06515297503949E-14 2.304770357113775E-10 -2.189425626873517E-10 1.436781483945447E-11
peri -2.089652450919638E-13 1.208430657459593E-12 1.335755366879348E-8 -2.189425626873517E-10 2.462757601442561E-9 -6.499937564883049E-12
i -2.682681804395265E-15 1.319521619075715E-14 4.386138678535835E-11 1.436781483945447E-11 -6.499937564883049E-12 2.494071601666754E-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 14.17   n/a E2021B10  

97279 (1999 XT144)          Discovered 1999-Dec-06 by Korlevic, K. at Visnjan
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

[ show close-approach data ]
Alternate Designations
 1999 XT144 = 2001 FJ151 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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