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136399 (2004 XZ176)
Classification: Inner Main-belt Asteroid          SPK-ID: 2136399
[ 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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06674679418991486 6.6859e-08  
a 1.901865893399738 6.4285e-09 au
q 1.774922442036167 1.2861e-07 au
i 19.1660582891405 6.3873e-06 deg
node 336.7901633515854 1.0731e-05 deg
peri 141.1769487690576 3.983e-05 deg
M 322.7163784381566 3.6865e-05 deg
tp 2459099.716488554115
(2020-Sep-07.21648855)		 9.8221e-05 TDB
period 958.0060729946799
2.62		 4.8572e-06
1.33e-08		 d
yr
n .3757804988382356 1.9053e-09 deg/d
Q 2.028809344763308 6.8575e-09 au
   Orbit Determination Parameters
   # obs. used (total)      537  
   data-arc span      7743 days (21.20 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5164  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 16:03:01  

Additional Information
 Earth MOID = .80429 au 
 Jupiter MOID = 2.99969 au 
 T_jup = 3.876 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457533.5 (2016-May-25.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0666383148866331 6.6744e-08  
q 1.775010164633046 1.2835e-07 au
tp 2457183.404134117553
(2015-Jun-09.90413412)		 9.6764e-05 TDB
node 336.8254004077641 1.073e-05 deg
peri 141.0276724951744 4.0004e-05 deg
i 19.16665219951038 6.3874e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      537  
   data-arc span      7743 days (21.20 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5164  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 16:03:01  

Additional Information
 Jupiter MOID = 2.99969 au 
 T_jup = 3.876 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.454736822400278E-15 -8.55747582664982E-15 3.540585662812923E-12 -3.940175377598864E-14 1.538733086432315E-12 -3.815103447514155E-14
q -8.55747582664982E-15 1.647316636092503E-14 -6.647784823576656E-12 7.536186801828453E-14 -2.894814656296957E-12 7.378448784534344E-14
tp 3.540585662812923E-12 -6.647784823576656E-12 9.363251335645158E-9 -4.36950310629207E-11 3.727964928311757E-9 -1.978300431813144E-11
node -3.940175377598864E-14 7.536186801828453E-14 -4.36950310629207E-11 1.151433289709509E-10 -1.258688227065498E-10 -5.979573114758992E-12
peri 1.538733086432315E-12 -2.894814656296957E-12 3.727964928311757E-9 -1.258688227065498E-10 1.600293525832611E-9 -3.016815760210215E-12
i -3.815103447514155E-14 7.378448784534344E-14 -1.978300431813144E-11 -5.979573114758992E-12 -3.016815760210215E-12 4.079873627002773E-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 16.6   n/a MPO310105  

136399 (2004 XZ176)          Discovered 2004-Dec-11 by CSS at Catalina
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1980-Apr-15 22:03 < 00:01 Hebe 0.0451461419427579 0.0451425030136256 0.0451497820715525 12.5634263162008 12.5634263052404 2444345.418823791 0.389534881718321 421.560542814286 47.9834340396572 65.2989849738083 128038.408146222 T 15 CATAB v2.0f-lin.ifort 2019-Nov-07 16:03:24 2019-Nov-07 16:03
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