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295354 (2008 HO33)
Classification: Main-belt Asteroid          SPK-ID: 2295354
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04917154376117727 4.9901e-08  
a 2.680985221735856 2.7581e-08 au
q 2.549157039582202 1.4002e-07 au
i 9.828840168198141 5.5502e-06 deg
node 156.4396978411266 2.755e-05 deg
peri 359.8578535930714 5.8571e-05 deg
M 329.2863109689274 5.2819e-05 deg
tp 2459137.294784314476
(2020-Oct-14.79478431)
0.000236 TDB
period 1603.393272081046
4.39
2.4743e-05
6.774e-08
d
yr
n .2245238309705239 3.4647e-09 deg/d
Q 2.81281340388951 2.8937e-08 au
  Orbit Determination Parameters
   # obs. used (total)      223  
   data-arc span      6215 days (17.02 yr)  
   first obs. used      2003-02-09  
   last obs. used      2020-02-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54957  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:49:42  

Additional Information
 Earth MOID = 1.55853 au 
 Jupiter MOID = 2.16382 au 
 T_jup = 3.354 
[ show covariance matrix ]

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 MPO413252  

295354 (2008 HO33)          Discovered 2008-Apr-26 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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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
1968-Mar-07 06:18 00:04 Amphi 0.0346662384583493 0.0346642001199781 0.034668287103812 5.30239945524224 5.30239942396749 2439922.762700856 3.84785795314363 1284.39995329058 68.966357292538 -86.6490355286195 75044.6500997163 T 16 CATAB v2.0f-lin.ifort 2020-Nov-11 19:49:43 2020-Nov-11 19:49
2200-Nov-17 21:46 00:14 Amphi 0.0331642611090156 0.0330649326376822 0.0332636739808494 5.38591179996819 5.38591176778393 2524914.406910174 13.8268038115049 5612.3872322136 68.010784863014 28.0362906808421 34285.8988031782 T 16 CATAB v2.0f-lin.ifort 2020-Nov-11 19:49:43 2020-Nov-11 19:49
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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