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123378 (2000 WU51)
Classification: Main-belt Asteroid          SPK-ID: 2123378
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07135216520502155 6.4645e-08  
a 2.652293041120539 2.2586e-08 au
q 2.463046189878378 1.7046e-07 au
i 1.997872187004307 5.9141e-06 deg
node 56.56358683628457 0.00020203 deg
peri 150.9574140082604 0.00020628 deg
M 47.08675300885032 4.2992e-05 deg
tp 2458794.139330406047
(2019-Nov-06.63933041)
0.00018778 TDB
period 1577.72274167768
4.32
2.0153e-05
5.518e-08
d
yr
n .2281769733617404 2.9146e-09 deg/d
Q 2.841539892362701 2.4197e-08 au
  Orbit Determination Parameters
   # obs. used (total)      298  
   data-arc span      7625 days (20.88 yr)  
   first obs. used      1998-04-21  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63135  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:02:45  

Additional Information
 Earth MOID = 1.45821 au 
 Jupiter MOID = 2.11683 au 
 T_jup = 3.385 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456884.5 (2014-Aug-15.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07186065184178279 6.4773e-08  
q 2.462453283473747 1.7143e-07 au
tp 2457211.696521607483
(2015-Jul-08.19652161)
0.00018113 TDB
node 56.60746162673153 0.00020189 deg
peri 149.6727100742813 0.00020603 deg
i 1.998577057439704 5.9144e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      298  
   data-arc span      7625 days (20.88 yr)  
   first obs. used      1998-04-21  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63135  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:02:45  

Additional Information
 Jupiter MOID = 2.11683 au 
 T_jup = 3.385 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.195478179100188E-15 -1.101751851501894E-14 -2.910263001801834E-12 -2.287919132061036E-14 -5.898908219208097E-13 -2.406713337919705E-15
q -1.101751851501894E-14 2.938656590877751E-14 8.370096355557728E-12 6.635519989476844E-14 1.690814520367275E-12 6.428171969047736E-15
tp -2.910263001801834E-12 8.370096355557728E-12 3.280667025866727E-8 1.001860790193382E-10 7.507399236200384E-9 2.163461131412801E-12
node -2.287919132061036E-14 6.635519989476844E-14 1.001860790193382E-10 4.075819501788383E-8 -4.070974749744249E-8 -3.524293141266168E-10
peri -5.898908219208097E-13 1.690814520367275E-12 7.507399236200384E-9 -4.070974749744249E-8 4.244690705841046E-8 3.526963098865055E-10
i -2.406713337919705E-15 6.428171969047736E-15 2.163461131412801E-12 -3.524293141266168E-10 3.526963098865055E-10 3.498065542938397E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO426775  

123378 (2000 WU51)          Discovered 2000-Nov-27 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 2000 WU51 = 1998 HA77 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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