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308641 (2005 YK176)
Classification: Main-belt Asteroid          SPK-ID: 2308641
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 .1525713221467598 5.957e-08  
a 2.160766780145812 1.9305e-08 au
q 1.831095735648168 1.3564e-07 au
i 2.640760935167193 5.3184e-06 deg
node 294.5731216159045 0.00014426 deg
peri 337.6756938062291 0.00014688 deg
M 37.33433476532163 3.5328e-05 deg
tp 2458880.185994675270
(2020-Jan-31.68599468)
0.00011257 TDB
period 1160.139645962962
3.18
1.5547e-05
4.257e-08
d
yr
n .3103074713916752 4.1585e-09 deg/d
Q 2.490437824643455 2.225e-08 au
  Orbit Determination Parameters
   # obs. used (total)      202  
   data-arc span      6376 days (17.46 yr)  
   first obs. used      2001-09-20  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6306  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:21:20  

Additional Information
 Earth MOID = .815157 au 
 Jupiter MOID = 2.60544 au 
 T_jup = 3.680 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456793.5 (2014-May-16.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1528773824600837 5.9616e-08  
q 1.83017012694197 1.3557e-07 au
tp 2456560.025235636133
(2013-Sep-24.52523564)
8.9955e-05 TDB
node 294.6359818709403 0.00014416 deg
peri 337.6546576973397 0.00014677 deg
i 2.64219491938539 5.3199e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      202  
   data-arc span      6376 days (17.46 yr)  
   first obs. used      2001-09-20  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6306  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:21:20  

Additional Information
 Jupiter MOID = 2.60544 au 
 T_jup = 3.680 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.554034127875381E-15 -8.032491352581361E-15 -2.321885054386858E-12 -4.798540172469685E-14 -5.506553155499655E-13 -3.97182532019706E-15
q -8.032491352581361E-15 1.837929257306575E-14 5.951921765417168E-12 1.06161363309E-13 1.47075929340621E-12 9.726933066040406E-15
tp -2.321885054386858E-12 5.951921765417168E-12 8.091914075763581E-9 -4.282779528064085E-12 2.507191357809559E-9 7.404404130804377E-12
node -4.798540172469685E-14 1.06161363309E-13 -4.282779528064085E-12 2.078096877995881E-8 -2.07619184729742E-8 -1.193861123173221E-11
peri -5.506553155499655E-13 1.47075929340621E-12 2.507191357809559E-9 -2.07619184729742E-8 2.154015669389676E-8 1.417089365471802E-11
i -3.97182532019706E-15 9.726933066040406E-15 7.404404130804377E-12 -1.193861123173221E-11 1.417089365471802E-11 2.830112467711126E-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 17.6   n/a MPO427642  

308641 (2005 YK176)          Discovered 2005-Dec-22 by Spacewatch at Kitt Peak
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ show close-approach data ]
Alternate Designations
 2005 YK176 = 2004 RA202 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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