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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 ]

[ 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 .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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457683.5 (2016-Oct-22.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06151731259183548 5.6063e-08  
q 2.690197383969399 1.5086e-07 au
tp 2456805.625933301869
(2014-May-28.12593330)
0.00035859 TDB
node 203.2264432171091 0.00023588 deg
peri 213.6791683647625 0.00024768 deg
i 1.492945198702789 5.8851e-06 deg
  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
 Jupiter MOID = 2.17431 au 
 T_jup = 3.296 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.143046877278309E-15 -8.339641606986946E-15 -8.584481513680368E-12 -9.80335427330981E-15 -1.857882777269823E-12 6.451246556799721E-17
q -8.339641606986946E-15 2.275943155542967E-14 2.146197378281616E-11 2.899916924067763E-14 4.711284630540114E-12 1.53103480698189E-16
tp -8.584481513680368E-12 2.146197378281616E-11 1.285893493164406E-7 1.631753968541411E-10 2.713089350373182E-8 -1.536515180901555E-11
node -9.80335427330981E-15 2.899916924067763E-14 1.631753968541411E-10 5.563816465542515E-8 -5.558323579159965E-8 -3.801969009499833E-10
peri -1.857882777269823E-12 4.711284630540114E-12 2.713089350373182E-8 -5.558323579159965E-8 6.13460042382048E-8 3.768486888111495E-10
i 6.451246556799721E-17 1.53103480698189E-16 -1.536515180901555E-11 -3.801969009499833E-10 3.768486888111495E-10 3.463433133402022E-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 16.4   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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