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181660 (2007 YK45)
Classification: Main-belt Asteroid          SPK-ID: 2181660
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06330610307890026 5.0102e-08  
a 2.177416441386464 9.477e-09 au
q 2.03957269170236 1.0902e-07 au
i .9768705727196458 6.3546e-06 deg
node 171.7837766706025 0.00025132 deg
peri 329.7869611356092 0.00025489 deg
M 351.1577739409665 4.2043e-05 deg
tp 2459229.325031248074
(2021-Jan-14.82503125)
0.00013708 TDB
period 1173.574525241306
3.21
7.6618e-06
2.098e-08
d
yr
n .3067551248404768 2.0027e-09 deg/d
Q 2.315260191070568 1.0077e-08 au
  Orbit Determination Parameters
   # obs. used (total)      253  
   data-arc span      7491 days (20.51 yr)  
   first obs. used      2000-10-04  
   last obs. used      2021-04-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5635  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:09:44  

Additional Information
 Earth MOID = 1.05202 au 
 Jupiter MOID = 2.67519 au 
 T_jup = 3.681 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.00   n/a MPCxxxxx  

181660 (2007 YK45)          Discovered 2007-Dec-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2007 YK45 = 2005 EK208 = 2005 JB49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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