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JPL Small-Body Database Browser
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226679 (2004 HP35)
Classification: Main-belt Asteroid          SPK-ID: 2226679
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1685707466230737 6.2832e-08  
a 2.346460184040548 1.4429e-08 au
q 1.950915638895518 1.4975e-07 au
i 2.487615221512395 6.9235e-06 deg
node 13.96911625285101 0.00016828 deg
peri 186.8350761641439 0.00016997 deg
M 183.717845950641 2.602e-05 deg
tp 2459643.371330919605
(2022-Mar-04.87133092)
9.7974e-05 TDB
period 1312.859378075538
3.59
1.211e-05
3.316e-08
d
yr
n .2742106321605501 2.5294e-09 deg/d
Q 2.742004729185578 1.6862e-08 au
  Orbit Determination Parameters
   # obs. used (total)      292  
   data-arc span      7142 days (19.55 yr)  
   first obs. used      2000-02-03  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57188  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:09:43  

Additional Information
 Earth MOID = .948199 au 
 Jupiter MOID = 2.2163 au 
 T_jup = 3.540 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457159.5 (2015-May-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1680740650771954 6.2959e-08  
q 1.95245928227604 1.4998e-07 au
tp 2457017.031078607910
(2014-Dec-25.53107861)
8.7588e-05 TDB
node 14.01372051401336 0.00016817 deg
peri 186.8264471522597 0.00016986 deg
i 2.488689279017002 6.9236e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      292  
   data-arc span      7142 days (19.55 yr)  
   first obs. used      2000-02-03  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57188  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:09:43  

Additional Information
 Jupiter MOID = 2.2163 au 
 T_jup = 3.540 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.963849001141855E-15 -9.412903098925716E-15 -3.170632650256254E-12 1.04302494507028E-14 -8.384013508306244E-13 -1.444710070753927E-15
q -9.412903098925716E-15 2.249393523455951E-14 7.778333845117693E-12 -2.216565026668942E-14 2.059678072945469E-12 3.45649843944037E-15
tp -3.170632650256254E-12 7.778333845117693E-12 7.671588326541477E-9 -2.695339382015239E-11 2.15969050405941E-9 3.760069909330166E-12
node 1.04302494507028E-14 -2.216565026668942E-14 -2.695339382015239E-11 2.827979674371017E-8 -2.825950435185891E-8 -5.831187399686772E-10
peri -8.384013508306244E-13 2.059678072945469E-12 2.15969050405941E-9 -2.825950435185891E-8 2.885282135843759E-8 5.836538486211482E-10
i -1.444710070753927E-15 3.45649843944037E-15 3.760069909330166E-12 -5.831187399686772E-10 5.836538486211482E-10 4.793673552421372E-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 17.0   n/a MPO264571  

226679 (2004 HP35)          Discovered 2004-Apr-20 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ 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
2068-Feb-08 00:11 < 00:01 Eunom 0.0159025071132368 0.0158932473618554 0.0159117879130662 7.54432801260176 7.54432789559587 2476419.507559272 0.622667679665735 1033.10129732028 74.0128024216696 -63.724657189221 28829.7095398823 T 12 CATAB v2.0f-lin.ifort 2019-Sep-24 04:09:45 2019-Sep-24 04:09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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