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245604 (2005 WU7)
Classification: Main-belt Asteroid          SPK-ID: 2245604
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1343006184357524 3.1886e-08  
a 2.306004977689374 1.0437e-08 au
q 1.996307083069768 7.2701e-08 au
i 4.661140038801801 3.9586e-06 deg
node 248.4351461423925 5.2539e-05 deg
peri 134.1386153622828 5.5705e-05 deg
M 88.33145836103841 1.7458e-05 deg
tp 2458686.664774938879
(2019-Jul-22.16477494)
6.1882e-05 TDB
period 1279.053726931759
3.50
8.6833e-06
2.377e-08
d
yr
n .2814580751534037 1.9108e-09 deg/d
Q 2.615702872308981 1.1838e-08 au
  Orbit Determination Parameters
   # obs. used (total)      469  
   data-arc span      7775 days (21.29 yr)  
   first obs. used      1998-11-01  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49779  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:43:09  

Additional Information
 Earth MOID = 1.00314 au 
 Jupiter MOID = 2.83659 au 
 T_jup = 3.571 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457391.5 (2016-Jan-04.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1346515016606266 3.2048e-08  
q 1.995333613837711 7.3087e-08 au
tp 2457405.449413533603
(2016-Jan-17.94941353)
6.1557e-05 TDB
node 248.4937913918314 5.2629e-05 deg
peri 133.5326250760756 5.574e-05 deg
i 4.656199124421322 3.9555e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      469  
   data-arc span      7775 days (21.29 yr)  
   first obs. used      1998-11-01  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49779  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:43:09  

Additional Information
 Jupiter MOID = 2.83659 au 
 T_jup = 3.571 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.027057415446873E-15 -2.324862087293536E-15 -2.562562026369532E-13 5.001267104496419E-15 -9.087638068124386E-14 -9.339628850170553E-16
q -2.324862087293536E-15 5.341775933913199E-15 5.507404462896321E-13 -1.228114934057215E-14 1.974077565286611E-13 2.25168205953625E-15
tp -2.562562026369532E-13 5.507404462896321E-13 3.789253123988044E-9 5.870381835538366E-12 1.147257012055342E-9 1.630809611542892E-12
node 5.001267104496419E-15 -1.228114934057215E-14 5.870381835538366E-12 2.769856604232393E-9 -2.758713638380588E-9 5.145958404769765E-11
peri -9.087638068124386E-14 1.974077565286611E-13 1.147257012055342E-9 -2.758713638380588E-9 3.106933964371076E-9 -5.078276146729585E-11
i -9.339628850170553E-16 2.25168205953625E-15 1.630809611542892E-12 5.145958404769765E-11 -5.078276146729585E-11 1.564608939808447E-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 16.8   n/a MPO454808  

245604 (2005 WU7)          Discovered 2005-Nov-21 by CSS at Catalina
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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