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332550 (2008 QJ41)
Classification: Main-belt Asteroid          SPK-ID: 2332550
[ 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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06204062382331222 5.6652e-08  
a 2.86709304228927 2.9518e-08 au
q 2.689216801386165 1.5288e-07 au
i 1.493068986065736 5.8839e-06 deg
node 203.2157558708213 0.00023589 deg
peri 212.9670365760067 0.00024738 deg
M 86.40543835003552 7.0043e-05 deg
tp 2458574.901896435873
(2019-Apr-01.40189644)		 0.00034639 TDB
period 1773.213818583942
4.85		 2.7384e-05
7.497e-08		 d
yr
n .2030212015195606 3.1353e-09 deg/d
Q 3.044969283192374 3.1349e-08 au
   Orbit Determination Parameters
   # obs. used (total)      185  
   data-arc span      9275 days (25.39 yr)  
   first obs. used      1994-11-01  
   last obs. used      2020-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57919  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 17:37:27  

Additional Information
 Earth MOID = 1.70091 au 
 Jupiter MOID = 2.17431 au 
 T_jup = 3.296 
[ 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 16.4   n/a MPO455449  

332550 (2008 QJ41)          Discovered 2008-Aug-21 by Spacewatch at Kitt Peak
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

[ 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
2168-May-22 00:51 00:17 Hygie 0.0460389493954903 0.0459823303927397 0.0460955951111852 2.83622896284651 2.83622866695278 2513047.535590549 16.7592396102672 3308.65217185542 206.775250660264 -31.8668248977473 17610.6045522622 T 16 CATAB v2.0f-lin.ifort 2020-Nov-11 17:37:28 2020-Nov-11 17:37
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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