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19209 (1992 UW2)
Classification: Main-belt Asteroid          SPK-ID: 2019209
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2148470619550057 3.7479e-08  
a 2.280733763994051 7.4489e-09 au
q 1.790724815698348 8.7846e-08 au
i 5.931866343954503 3.8965e-06 deg
node 53.81147295160964 3.5622e-05 deg
peri 285.1528148560671 3.6813e-05 deg
M 37.87497975471589 8.5957e-06 deg
tp 2458868.138944015223
(2020-Jan-19.63894402)
2.9993e-05 TDB
period 1258.085957091149
3.44
6.1634e-06
1.687e-08
d
yr
n .2861489693696008 1.4018e-09 deg/d
Q 2.770742712289754 9.0493e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1649  
   data-arc span      10704 days (29.31 yr)  
   first obs. used      1991-04-17  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51379  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:25:46  

Additional Information
 Earth MOID = .793486 au 
 Jupiter MOID = 2.64171 au 
 T_jup = 3.568 
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Orbital Elements at Epoch 2456617.5 (2013-Nov-21.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2141076062340317 3.7369e-08  
q 1.793179946337834 8.7501e-08 au
tp 2456351.398687724865
(2013-Feb-27.89868772)
3.2198e-05 TDB
node 53.92880212024104 3.5567e-05 deg
peri 285.0885900918988 3.6787e-05 deg
i 5.935731364551407 3.898e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1649  
   data-arc span      10704 days (29.31 yr)  
   first obs. used      1991-04-17  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51379  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:25:46  

Additional Information
 Jupiter MOID = 2.64171 au 
 T_jup = 3.568 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.396433395247181E-15 -3.263446102749522E-15 3.920783340589175E-13 -8.338755735293977E-15 1.436044313054496E-13 -1.729994108058527E-15
q -3.263446102749522E-15 7.656488871181141E-15 -9.573128085069503E-13 1.923393159172593E-14 -3.444281229619393E-13 4.109722195401879E-15
tp 3.920783340589175E-13 -9.573128085069503E-13 1.036719753527451E-9 -8.236560670159496E-12 3.137049389650281E-10 -1.077666030990483E-12
node -8.338755735293977E-15 1.923393159172593E-14 -8.236560670159496E-12 1.265046678473616E-9 -1.260186022915223E-9 -2.2303298162824E-11
peri 1.436044313054496E-13 -3.444281229619393E-13 3.137049389650281E-10 -1.260186022915223E-9 1.353286209146564E-9 2.188215602375683E-11
i -1.729994108058527E-15 4.109722195401879E-15 -1.077666030990483E-12 -2.2303298162824E-11 2.188215602375683E-11 1.519467896356182E-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 14.5   n/a MPO492957  

19209 (1992 UW2)          Discovered 1992-Oct-25 by Otomo, S. at Kiyosato
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1992 UW2 = 1998 HQ5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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