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152487 (2005 WD77)
Classification: Main-belt Asteroid          SPK-ID: 2152487
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05590151713217993 5.5062e-08  
a 2.861517447393624 2.5202e-08 au
q 2.701554280784118 1.5623e-07 au
i 1.744574895508859 6.7112e-06 deg
node 5.02707450400594 0.00014461 deg
peri 313.1688161190969 0.00015485 deg
M 150.0513949768113 5.7416e-05 deg
tp 2458463.562662826334
(2018-Dec-11.06266283)
0.00028061 TDB
period 1768.043818743027
4.84
2.3357e-05
6.395e-08
d
yr
n .2036148630388235 2.6899e-09 deg/d
Q 3.021480614003131 2.6611e-08 au
  Orbit Determination Parameters
   # obs. used (total)      306  
   data-arc span      6943 days (19.01 yr)  
   first obs. used      2002-02-10  
   last obs. used      2021-02-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54546  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:27:20  

Additional Information
 Earth MOID = 1.6866 au 
 Jupiter MOID = 2.14595 au 
 T_jup = 3.299 
[ show covariance matrix ]

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 16.0   n/a MPO453985  

152487 (2005 WD77)          Discovered 2005-Nov-25 by Spacewatch at Kitt Peak
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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