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277585 (2005 YN281)
Classification: Main-belt Asteroid          SPK-ID: 2277585
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1997142469563058 5.7339e-08  
a 2.438538339160147 3.1244e-08 au
q 1.951527491080697 1.362e-07 au
i 3.663543063123732 1.0996e-05 deg
node 93.7022455558524 0.00012968 deg
peri 248.7884303933204 0.00013442 deg
M 36.94722783141512 4.2495e-05 deg
tp 2458857.751298377523
(2020-Jan-09.25129838)
0.00016224 TDB
period 1390.890077560756
3.81
2.6731e-05
7.319e-08
d
yr
n .258827067507263 4.9743e-09 deg/d
Q 2.925549187239596 3.7483e-08 au
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      4976 days (13.62 yr)  
   first obs. used      2004-08-03  
   last obs. used      2018-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60785  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:44:15  

Additional Information
 Earth MOID = .947036 au 
 Jupiter MOID = 2.48062 au 
 T_jup = 3.473 
[ 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 17.2   n/a MPO440345  

277585 (2005 YN281)          Discovered 2005-Dec-25 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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