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146417 (2001 QB217)
Classification: Main-belt Asteroid          SPK-ID: 2146417
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2310681090509155 5.4364e-08  
a 2.574872621759464 1.4879e-08 au
q 1.979901674002531 1.3803e-07 au
i 2.800720204609996 6.8203e-06 deg
node 124.8979327247923 0.00011576 deg
peri 223.3933045180495 0.00011689 deg
M 190.1445024796001 2.001e-05 deg
tp 2459712.547814966548
(2022-May-13.04781497)
8.8411e-05 TDB
period 1509.148759563526
4.13
1.3081e-05
3.581e-08
d
yr
n .2385450723254868 2.0676e-09 deg/d
Q 3.169843569516396 1.8317e-08 au
  Orbit Determination Parameters
   # obs. used (total)      329  
   data-arc span      8668 days (23.73 yr)  
   first obs. used      1996-05-11  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58658  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:37:17  

Additional Information
 Earth MOID = .97445 au 
 Jupiter MOID = 2.25725 au 
 T_jup = 3.388 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456451.5 (2013-Jun-08.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2305948059808798 5.4537e-08  
q 1.981682891376459 1.3879e-07 au
tp 2456688.401260427195
(2014-Jan-30.90126043)
7.0659e-05 TDB
node 124.9761704765313 0.00011541 deg
peri 222.5002572729216 0.00011655 deg
i 2.802124581454526 6.8359e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      329  
   data-arc span      8668 days (23.73 yr)  
   first obs. used      1996-05-11  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58658  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:37:17  

Additional Information
 Jupiter MOID = 2.25725 au 
 T_jup = 3.388 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.974270344626208E-15 -7.543110031923428E-15 -2.000381037401824E-13 9.918274089355237E-15 -1.04976236171954E-13 2.348118076204373E-16
q -7.543110031923428E-15 1.926322714909137E-14 1.022877656007771E-12 -2.808126443357551E-14 3.750865364938528E-13 -6.972593437401795E-16
tp -2.000381037401824E-13 1.022877656007771E-12 4.992693591796523E-9 -3.355070034093085E-11 1.172645842104632E-9 -5.809503953960683E-13
node 9.918274089355237E-15 -2.808126443357551E-14 -3.355070034093085E-11 1.331904099132686E-8 -1.331008369507447E-8 -2.535893147270726E-11
peri -1.04976236171954E-13 3.750865364938528E-13 1.172645842104632E-9 -1.331008369507447E-8 1.35831362315283E-8 2.523267012259873E-11
i 2.348118076204373E-16 -6.972593437401795E-16 -5.809503953960683E-13 -2.535893147270726E-11 2.523267012259873E-11 4.672969254771395E-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 16.2   n/a MPO469553  

146417 (2001 QB217)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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