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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 ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1525712667911694 4.0691e-08  
a 2.160766778441789 1.1987e-08 au
q 1.831095853814651 8.358e-08 au
i 2.640765513212386 4.1599e-06 deg
node 294.573119112089 0.00013607 deg
peri 337.6757008903379 0.00013801 deg
M 37.33433240482461 2.5447e-05 deg
tp 2458880.186002424554
(2020-Jan-31.68600242)
8.1439e-05 TDB
period 1160.139644590599
3.18
9.6542e-06
2.643e-08
d
yr
n .3103074717587471 2.5822e-09 deg/d
Q 2.490437703068927 1.3816e-08 au
  Orbit Determination Parameters
   # obs. used (total)      251  
   data-arc span      6973 days (19.09 yr)  
   first obs. used      2001-09-20  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58573  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:00:33  

Additional Information
 Earth MOID = .815158 au 
 Jupiter MOID = 2.60544 au 
 T_jup = 3.680 
[ 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 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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2085-Jun-08 07:09 00:03 Eunom 0.0233268793520657 0.0232950753800549 0.0233586833799081 5.7040808507969 5.70408074529711 2482749.797970522 3.13683433023423 1586.24661665346 68.0003758973267 2.10168087566586 2891.29731113605 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 19:00:35 2020-Nov-11 19:00

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