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100426 (1996 HB7)
Classification: Main-belt Asteroid          SPK-ID: 2100426
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2383600388441359 2.6866e-08  
a 2.582048550003733 1.035e-08 au
q 1.966591357327399 6.7004e-08 au
i 4.733135522798385 5.8772e-06 deg
node 139.6810373478817 3.6812e-05 deg
peri 259.5187167630395 3.9359e-05 deg
M 127.3759007128384 1.3897e-05 deg
tp 2458664.296307763833
(2019-Jun-29.79630776)		 5.7029e-05 TDB
period 1515.461936871422
4.15		 9.1117e-06
2.495e-08		 d
yr
n .2375513308788196 1.4283e-09 deg/d
Q 3.197505742680068 1.2817e-08 au
   Orbit Determination Parameters
   # obs. used (total)      716  
   data-arc span      10709 days (29.32 yr)  
   first obs. used      1991-01-15  
   last obs. used      2020-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55161  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:06:14  

Additional Information
 Earth MOID = .979869 au 
 Jupiter MOID = 2.24213 au 
 T_jup = 3.379 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456827.5 (2014-Jun-19.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2361753184098639 2.6681e-08  
q 1.97361544496436 6.643e-08 au
tp 2457144.363613643545
(2015-May-01.86361364)		 5.4873e-05 TDB
node 139.8349191806105 3.6689e-05 deg
peri 258.8288950148154 3.9352e-05 deg
i 4.736370145486354 5.885e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      716  
   data-arc span      10709 days (29.32 yr)  
   first obs. used      1991-01-15  
   last obs. used      2020-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55161  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:06:14  

Additional Information
 Jupiter MOID = 2.24213 au 
 T_jup = 3.379 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.118568353444829E-16 -1.761026722395297E-15 1.331868951044659E-14 1.367162749197507E-15 -1.596878733020079E-14 -6.461740390504194E-16
q -1.761026722395297E-15 4.412944110457269E-15 1.119508274855952E-13 -4.0641603835717E-15 7.261894408395029E-14 1.42631967992681E-15
tp 1.331868951044659E-14 1.119508274855952E-13 3.011092337688026E-9 -1.627230545746359E-11 7.842321488311814E-10 -3.674728453333952E-13
node 1.367162749197507E-15 -4.0641603835717E-15 -1.627230545746359E-11 1.346087705642978E-9 -1.345331774100302E-9 -3.935898302682515E-11
peri -1.596878733020079E-14 7.261894408395029E-14 7.842321488311814E-10 -1.345331774100302E-9 1.548574742709273E-9 3.917464717563996E-11
i -6.461740390504194E-16 1.42631967992681E-15 -3.674728453333952E-13 -3.935898302682515E-11 3.917464717563996E-11 3.463276693010826E-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 15.96   n/a E2021B55  

100426 (1996 HB7)          Discovered 1996-Apr-18 by Spacewatch at Kitt Peak
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
1997-Nov-25 19:51 < 00:01 Eunom 0.0316089069958461 0.0316075772657976 0.0316102369369336 5.32440966919417 5.32440958578517 2450778.327305840 0.608681996306482 164.377962468358 34.2964280006522 -69.3424672718555 129330.398084174 T 23 CATAB v2.0f-lin.ifort 2020-Nov-12 20:06:16 2020-Nov-12 20:06
2084-May-03 23:02 00:08 Cybel 0.0496970754025535 0.0496949487409969 0.0496992023404308 3.01768668480508 3.01768664424386 2482349.459547766 8.33615626180566 423.672445125348 94.625045616551 -83.3595937731737 78001.1517975479 T 23 CATAB v2.0f-lin.ifort 2020-Nov-12 20:06:16 2020-Nov-12 20:06
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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