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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06216603925886758 5.5087e-08  
a 2.866507445800845 2.826e-08 au
q 2.688308031389353 1.4993e-07 au
i 1.493292574836528 5.8621e-06 deg
node 203.2090754591159 0.00022565 deg
peri 212.8054405042114 0.00023487 deg
M 127.1778339142052 6.1914e-05 deg
tp 2458574.265541102204
(2019-Mar-31.76554110)
0.00030566 TDB
period 1772.670584681388
4.85
2.6214e-05
7.177e-08
d
yr
n .2030834172524529 3.0032e-09 deg/d
Q 3.044706860212337 3.0017e-08 au
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      9631 days (26.37 yr)  
   first obs. used      1994-11-01  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58393  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 07:47:39  

Additional Information
 Earth MOID = 1.69917 au 
 Jupiter MOID = 2.17491 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 16.62   n/a E2021B25  

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 17 CATAB v2.0f-lin.ifort 2021-Apr-14 07:47:39 2021-Apr-14 07:47
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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