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JPL Small-Body Database Browser
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160457 (2005 YW168)
Classification: Main-belt Asteroid          SPK-ID: 2160457
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1700392419667831 6.1161e-08  
a 2.26675471223651 1.3745e-08 au
q 1.88131745924318 1.4314e-07 au
i 9.888602098987567 6.6427e-06 deg
node 46.44935096687195 3.8476e-05 deg
peri 349.7452262344329 4.3496e-05 deg
M 25.75968113210641 1.9112e-05 deg
tp 2458511.304447549012
(2019-Jan-27.80444755)
6.6069e-05 TDB
period 1246.537125893762
3.41
1.1338e-05
3.104e-08
d
yr
n .2888000626069452 2.6267e-09 deg/d
Q 2.65219196522984 1.6082e-08 au
  Orbit Determination Parameters
   # obs. used (total)      304  
   data-arc span      8348 days (22.86 yr)  
   first obs. used      1996-02-10  
   last obs. used      2018-12-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53249  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:18:21  

Additional Information
 Earth MOID = .889078 au 
 Jupiter MOID = 2.76721 au 
 T_jup = 3.577 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456584.5 (2013-Oct-19.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1697157014054429 6.097e-08  
q 1.881797819180528 1.4258e-07 au
tp 2456016.590077210743
(2012-Mar-30.09007721)
6.7226e-05 TDB
node 46.48874287792456 3.8513e-05 deg
peri 349.3313279418117 4.3574e-05 deg
i 9.885056712726112 6.6388e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      304  
   data-arc span      8348 days (22.86 yr)  
   first obs. used      1996-02-10  
   last obs. used      2018-12-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53249  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:18:21  

Additional Information
 Jupiter MOID = 2.76721 au 
 T_jup = 3.577 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.717352211946125E-15 -8.668706541193552E-15 2.440855281647261E-13 2.526678989557033E-14 1.267888646504671E-14 -1.766612442812292E-14
q -8.668706541193552E-15 2.032806405694286E-14 -7.022559953606548E-13 -5.923312469889862E-14 -5.347260894718809E-14 4.213367101481921E-14
tp 2.440855281647261E-13 -7.022559953606548E-13 4.519333832400557E-9 4.461090165051892E-11 1.404728574140026E-9 2.828335107374261E-12
node 2.526678989557033E-14 -5.923312469889862E-14 4.461090165051892E-11 1.483232572770575E-9 -1.445225668130638E-9 2.025242510287578E-12
peri 1.267888646504671E-14 -5.347260894718809E-14 1.404728574140026E-9 -1.445225668130638E-9 1.898682345873632E-9 -5.797501032666552E-13
i -1.766612442812292E-14 4.213367101481921E-14 2.828335107374261E-12 2.025242510287578E-12 -5.797501032666552E-13 4.407422012996549E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO454062  

160457 (2005 YW168)          Discovered 2005-Dec-29 by NEAT at Palomar
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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