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442174 (2010 WY61)
Classification: Outer Main-belt Asteroid          SPK-ID: 2442174
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1634697538694897 1.1571e-07  
a 3.23700088032035 8.058e-08 au
q 2.707849143139061 4.1579e-07 au
i 6.386409328915253 8.4519e-06 deg
node 69.71074480162758 0.00011069 deg
peri 321.8429823529299 0.00011626 deg
M 260.6518481920952 4.2339e-05 deg
tp 2459587.543041649046
(2022-Jan-08.04304165)
0.00026707 TDB
period 2127.221202889466
5.82
7.943e-05
2.175e-07
d
yr
n .1692348682454846 6.3192e-09 deg/d
Q 3.766152617501639 9.3752e-08 au
  Orbit Determination Parameters
   # obs. used (total)      73  
   data-arc span      5300 days (14.51 yr)  
   first obs. used      2004-11-03  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5918  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:13:22  

Additional Information
 Earth MOID = 1.71766 au 
 Jupiter MOID = 1.67758 au 
 T_jup = 3.154 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456926.5 (2014-Sep-26.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1680952606996778 1.1426e-07  
q 2.68481502975906 4.0882e-07 au
tp 2457470.072433383577
(2016-Mar-22.57243338)
0.00020735 TDB
node 69.74006653444974 0.00011056 deg
peri 322.4252473207468 0.00011587 deg
i 6.398236046636173 8.4752e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      73  
   data-arc span      5300 days (14.51 yr)  
   first obs. used      2004-11-03  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5918  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:13:22  

Additional Information
 Jupiter MOID = 1.67758 au 
 T_jup = 3.154 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.305621274327501E-14 -4.627036540529274E-14 -1.403187649066571E-11 1.004266259925324E-13 -2.422278520220743E-12 -2.447522744457774E-14
q -4.627036540529274E-14 1.671359346292428E-13 5.328713345126015E-11 -3.4556370773835E-13 9.011457749573565E-12 9.100976872373608E-14
tp -1.403187649066571E-11 5.328713345126015E-11 4.299270446551682E-8 -1.050411541752369E-10 7.461700984609156E-9 3.784658672874333E-11
node 1.004266259925324E-13 -3.4556370773835E-13 -1.050411541752369E-10 1.222307954223657E-8 -1.216482477834944E-8 -1.842151628196737E-10
peri -2.422278520220743E-12 9.011457749573565E-12 7.461700984609156E-9 -1.216482477834944E-8 1.342608484688357E-8 1.894763706430418E-10
i -2.447522744457774E-14 9.100976872373608E-14 3.784658672874333E-11 -1.842151628196737E-10 1.894763706430418E-10 7.182959546018355E-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 16.2   n/a MPO440830  

442174 (2010 WY61)          Discovered 2004-Nov-03 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2010 WY61 = 2004 VR30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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