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136912 (1998 HP96)
Classification: Main-belt Asteroid          SPK-ID: 2136912
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 .2078083205364702 3.171e-08  
a 2.352272355602779 8.6614e-09 au
q 1.863450587940599 7.2573e-08 au
i 3.673107516531557 3.4969e-06 deg
node 83.13156569110328 6.3847e-05 deg
peri 180.2198849572892 6.4708e-05 deg
M 15.07518082680142 9.8978e-06 deg
tp 2458945.318962293879
(2020-Apr-05.81896229)
3.6255e-05 TDB
period 1317.740317839921
3.61
7.2781e-06
1.993e-08
d
yr
n .2731949498138774 1.5089e-09 deg/d
Q 2.84109412326496 1.0461e-08 au
  Orbit Determination Parameters
   # obs. used (total)      539  
   data-arc span      8218 days (22.50 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55921  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 15:48:57  

Additional Information
 Earth MOID = .847785 au 
 Jupiter MOID = 2.23808 au 
 T_jup = 3.525 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457744.5 (2016-Dec-22.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2070792286571453 3.1731e-08  
q 1.864862038360646 7.2518e-08 au
tp 2457627.421074314414
(2016-Aug-26.92107431)
3.7747e-05 TDB
node 83.13765935693708 6.385e-05 deg
peri 180.1234312395686 6.4717e-05 deg
i 3.673072070894085 3.4961e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      539  
   data-arc span      8218 days (22.50 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55921  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 15:48:57  

Additional Information
 Jupiter MOID = 2.23808 au 
 T_jup = 3.525 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.006864279097866E-15 -2.291937609872938E-15 1.361551891173741E-13 6.524459138572032E-15 1.916221580768024E-14 -1.230943774215928E-15
q -2.291937609872938E-15 5.258866067755654E-15 -3.911586354124036E-13 -1.547165283176956E-14 -6.55369258252166E-14 2.90119533100837E-15
tp 1.361551891173741E-13 -3.911586354124036E-13 1.424824225804507E-9 2.881077490375155E-11 4.169173409568603E-10 -6.643264230909751E-13
node 6.524459138572032E-15 -1.547165283176956E-14 2.881077490375155E-11 4.076802532281306E-9 -4.059068568259146E-9 5.704136393604273E-11
peri 1.916221580768024E-14 -6.55369258252166E-14 4.169173409568603E-10 -4.059068568259146E-9 4.188337128672947E-9 -5.710402971424376E-11
i -1.230943774215928E-15 2.90119533100837E-15 -6.643264230909751E-13 5.704136393604273E-11 -5.710402971424376E-11 1.222249338679259E-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 MPO436675  

136912 (1998 HP96)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ 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
2157-Oct-31 06:40 00:02 Hebe 0.046789338343933 0.0467550860823915 0.0468235929267209 8.68260564859419 8.68260563329176 2509191.777593828 1.71356848943046 1785.23058912182 41.5711397888896 16.9334780889174 49175.8765692688 T 16 CATAB v2.0f-lin.ifort 2020-Nov-12 15:48:58 2020-Nov-12 15:48

Alternate Designations
 1998 HP96 = 2002 QG7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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