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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .17016236441672 5.4974e-08  
a 2.266297341042677 1.2232e-08 au
q 1.880658827019529 1.2701e-07 au
i 9.888625228282418 5.9398e-06 deg
node 46.44182611487706 3.7034e-05 deg
peri 349.6726244309112 4.1261e-05 deg
M 141.3662267184615 1.8603e-05 deg
tp 2458511.153004544265
(2019-Jan-27.65300454)
6.3059e-05 TDB
period 1246.159867553844
3.41
1.0089e-05
2.762e-08
d
yr
n .2888874929880898 2.3389e-09 deg/d
Q 2.651935855065824 1.4314e-08 au
  Orbit Determination Parameters
   # obs. used (total)      386  
   data-arc span      8837 days (24.19 yr)  
   first obs. used      1996-02-10  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53635  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 01:33:17  

Additional Information
 Earth MOID = .889014 au 
 Jupiter MOID = 2.7694 au 
 T_jup = 3.577 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457054.5 (2015-Feb-01.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1693986796208473 5.4923e-08  
q 1.882965232157686 1.2686e-07 au
tp 2457263.034735329949
(2015-Aug-28.53473533)
6.1234e-05 TDB
node 46.48246621042556 3.7073e-05 deg
peri 349.3158795207895 4.1348e-05 deg
i 9.883060914545805 5.9359e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      386  
   data-arc span      8837 days (24.19 yr)  
   first obs. used      1996-02-10  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53635  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 01:33:17  

Additional Information
 Jupiter MOID = 2.7694 au 
 T_jup = 3.577 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.016509795529551E-15 -6.94595010981541E-15 -6.454569441286466E-13 2.635883184615542E-14 -2.571765800314202E-13 -9.624175141009625E-15
q -6.94595010981541E-15 1.609309940593307E-14 1.566473402813624E-12 -6.050144963497603E-14 6.086117016841134E-13 2.277770001059596E-14
tp -6.454569441286466E-13 1.566473402813624E-12 3.749616772569486E-9 1.366250432752463E-11 1.157656562803666E-9 3.226572407878362E-12
node 2.635883184615542E-14 -6.050144963497603E-14 1.366250432752463E-11 1.374401869538745E-9 -1.348789180740258E-9 -2.55366843343338E-11
peri -2.571765800314202E-13 6.086117016841134E-13 1.157656562803666E-9 -1.348789180740258E-9 1.709632652565002E-9 2.628691379571902E-11
i -9.624175141009625E-15 2.277770001059596E-14 3.226572407878362E-12 -2.55366843343338E-11 2.628691379571902E-11 3.523496009291976E-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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