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100678 (1997 XV9)
Classification: Main-belt Asteroid          SPK-ID: 2100678
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .249054086615178 5.9157e-08  
a 2.60656838762749 1.2335e-08 au
q 1.957391878646928 1.5106e-07 au
i 12.35669559142983 6.0106e-06 deg
node 51.11609107267077 2.3845e-05 deg
peri 293.1647036814807 2.6905e-05 deg
M 223.9367782664103 1.6179e-05 deg
tp 2459781.452148184196
(2022-Jul-20.95214818)		 7.179e-05 TDB
period 1537.099964866406
4.21		 1.0911e-05
2.987e-08		 d
yr
n .2342072787902827 1.6625e-09 deg/d
Q 3.255744896608052 1.5408e-08 au
   Orbit Determination Parameters
   # obs. used (total)      475  
   data-arc span      8517 days (23.32 yr)  
   first obs. used      1997-11-19  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48738  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:33:16  

Additional Information
 Earth MOID = .98779 au 
 Jupiter MOID = 2.29876 au 
 T_jup = 3.335 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457326.5 (2015-Oct-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2486083021271232 5.9035e-08  
q 1.960371090476396 1.5052e-07 au
tp 2456701.764663287101
(2014-Feb-13.26466329)		 5.8628e-05 TDB
node 51.31568506226365 2.3932e-05 deg
peri 292.4471208336952 2.6944e-05 deg
i 12.3306367658596 5.9967e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      475  
   data-arc span      8517 days (23.32 yr)  
   first obs. used      1997-11-19  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48738  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:33:16  

Additional Information
 Jupiter MOID = 2.29876 au 
 T_jup = 3.335 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.485178651675104E-15 -8.870735777917449E-15 1.944327320143892E-12 5.371152164699108E-15 3.575333264400768E-13 2.272194181573922E-15
q -8.870735777917449E-15 2.265656358591303E-14 -4.786625625054448E-12 -1.121100109554269E-14 -8.698530586840398E-13 -6.198519217690665E-15
tp 1.944327320143892E-12 -4.786625625054448E-12 3.43725412866538E-9 4.217540234484667E-12 7.521234264455213E-10 2.74985820161153E-12
node 5.371152164699108E-15 -1.121100109554269E-14 4.217540234484667E-12 5.727465778797023E-10 -5.578509390039877E-10 -3.888696229851506E-11
peri 3.575333264400768E-13 -8.698530586840398E-13 7.521234264455213E-10 -5.578509390039877E-10 7.259785679878424E-10 3.825311883724732E-11
i 2.272194181573922E-15 -6.198519217690665E-15 2.74985820161153E-12 -3.888696229851506E-11 3.825311883724732E-11 3.59600658421317E-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 15.69   n/a E2021B55  

100678 (1997 XV9)          Discovered 1997-Dec-04 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
2016-Nov-15 15:38 < 00:01 Europ 0.0428689503688502 0.0428674137876485 0.0428704869662896 6.19990639513783 6.19990635514853 2457708.151414324 0.544897475779846 146.972940653024 72.2685293532211 78.549455299944 87378.0265487829 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 15:33:18 2021-Apr-13 15:33

Alternate Designations
 1997 XV9 = 2001 UJ29 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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