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24169 (1999 WQ11)
Classification: Main-belt Asteroid          SPK-ID: 2024169
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1952617110587662 3.5499e-08  
a 2.442153941447271 7.3081e-09 au
q 1.965294784171367 8.7679e-08 au
i 4.864290467673703 3.9207e-06 deg
node 276.4011042300299 3.8172e-05 deg
peri 356.825669535595 3.9203e-05 deg
M 16.11160943198407 9.3252e-06 deg
tp 2459334.112956372698
(2021-Apr-29.61295637)
3.6116e-05 TDB
period 1393.984617157083
3.82
6.2572e-06
1.713e-08
d
yr
n .2582524911459859 1.1592e-09 deg/d
Q 2.919013098723175 8.735e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1580  
   data-arc span      9396 days (25.72 yr)  
   first obs. used      1995-11-18  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50726  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 23:00:45  

Additional Information
 Earth MOID = .948875 au 
 Jupiter MOID = 2.19683 au 
 T_jup = 3.470 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457482.5 (2016-Apr-04.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1954549169377653 3.5502e-08  
q 1.964710571747489 8.7701e-08 au
tp 2457939.127603367026
(2017-Jul-04.62760337)
3.6732e-05 TDB
node 276.4873469394603 3.816e-05 deg
peri 356.5390254780506 3.9192e-05 deg
i 4.865089695690111 3.922e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1580  
   data-arc span      9396 days (25.72 yr)  
   first obs. used      1995-11-18  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50726  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 23:00:45  

Additional Information
 Jupiter MOID = 2.19683 au 
 T_jup = 3.470 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.260411317675178E-15 -3.106669095809147E-15 5.350855757329113E-13 1.533052368521125E-15 1.180391854504491E-13 -9.83437223736213E-17
q -3.106669095809147E-15 7.691549434332978E-15 -1.345224602856428E-12 -2.75253347382305E-15 -3.003715077853724E-13 3.92979070177497E-16
tp 5.350855757329113E-13 -1.345224602856428E-12 1.349227007593343E-9 -4.535577077688149E-12 3.377078901843546E-10 -9.672219722228478E-13
node 1.533052368521125E-15 -2.75253347382305E-15 -4.535577077688149E-12 1.456148411443852E-9 -1.451721395629673E-9 3.722966884312794E-11
peri 1.180391854504491E-13 -3.003715077853724E-13 3.377078901843546E-10 -1.451721395629673E-9 1.536034322066067E-9 -3.733975266349975E-11
i -9.83437223736213E-17 3.92979070177497E-16 -9.672219722228478E-13 3.722966884312794E-11 -3.733975266349975E-11 1.538173680384121E-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 14.88   n/a MPO636422  

24169 (1999 WQ11)          Discovered 1999-Nov-29 by Urata, T. at Oohira
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 WQ11 = 1998 MY26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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