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JPL Small-Body Database Browser
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61546 (2000 QT65)
Classification: Main-belt Asteroid          SPK-ID: 2061546
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2260567947877258 4.5104e-08  
a 2.344746966586509 8.0006e-09 au
q 1.81470098273172 1.0508e-07 au
i 5.87321102444535 3.3257e-06 deg
node 87.73604801453116 4.3859e-05 deg
peri 248.6716740757247 4.4499e-05 deg
M 188.5842994310964 9.456e-06 deg
tp 2459624.939688055991
(2022-Feb-14.43968806)
3.5622e-05 TDB
period 1311.421806486128
3.59
6.7121e-06
1.838e-08
d
yr
n .2745112199747519 1.405e-09 deg/d
Q 2.874792950441298 9.8092e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1380  
   data-arc span      13654 days (37.38 yr)  
   first obs. used      1982-09-15  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47852  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 13:27:44  

Additional Information
 Earth MOID = .815029 au 
 Jupiter MOID = 2.52258 au 
 T_jup = 3.520 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457343.5 (2015-Nov-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .227010195653998 4.5279e-08  
q 1.811979704838838 1.0555e-07 au
tp 2457000.628110289621
(2014-Dec-09.12811029)
3.2268e-05 TDB
node 87.83950549329769 4.3885e-05 deg
peri 248.3190078506933 4.4513e-05 deg
i 5.872676934228935 3.3249e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1380  
   data-arc span      13654 days (37.38 yr)  
   first obs. used      1982-09-15  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47852  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 13:27:44  

Additional Information
 Jupiter MOID = 2.52258 au 
 T_jup = 3.520 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.050230676831212E-15 -4.771513041896058E-15 7.330257140951647E-13 -3.690257406077334E-15 1.514700259205571E-13 -2.043937800489999E-15
q -4.771513041896058E-15 1.114185285878182E-14 -1.711164339593247E-12 9.253735323135367E-15 -3.529038909381065E-13 4.774561973973931E-15
tp 7.330257140951647E-13 -1.711164339593247E-12 1.041208179445085E-9 -3.017051745583131E-12 2.652613174715092E-10 -1.436469810480138E-12
node -3.690257406077334E-15 9.253735323135367E-15 -3.017051745583131E-12 1.92587466528358E-9 -1.91625178934317E-9 -9.508961135819741E-12
peri 1.514700259205571E-13 -3.529038909381065E-13 2.652613174715092E-10 -1.91625178934317E-9 1.981365070145386E-9 9.132796376667148E-12
i -2.043937800489999E-15 4.774561973973931E-15 -1.436469810480138E-12 -9.508961135819741E-12 9.132796376667148E-12 1.10547688727608E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO259729  
rotation period rot_per 0.92 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

61546 (2000 QT65)          Discovered 2000-Aug-28 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 QT65 = 1982 RJ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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