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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1702531146304232 5.4989e-08  
a 2.266095192690237 1.2192e-08 au
q 1.880285428085695 1.2704e-07 au
i 9.889131140785034 5.94e-06 deg
node 46.4403685897642 3.7007e-05 deg
peri 349.6419057386942 4.1223e-05 deg
M 199.1899294060374 1.8754e-05 deg
tp 2459757.078457567714
(2022-Jun-26.57845757)
6.6792e-05 TDB
period 1245.993139511125
3.41
1.0056e-05
2.753e-08
d
yr
n .2889261494178442 2.3317e-09 deg/d
Q 2.651904957294778 1.4268e-08 au
  Orbit Determination Parameters
   # obs. used (total)      389  
   data-arc span      8837 days (24.19 yr)  
   first obs. used      1996-02-10  
   last obs. used      2020-04-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53429  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:01:26  

Additional Information
 Earth MOID = .887591 au 
 Jupiter MOID = 2.77056 au 
 T_jup = 3.577 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457054.5 (2015-Feb-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .169398679744323 5.4921e-08  
q 1.882965231874125 1.2686e-07 au
tp 2457263.034735196640
(2015-Aug-28.53473520)
6.1187e-05 TDB
node 46.48246624774536 3.7047e-05 deg
peri 349.3158793967265 4.1317e-05 deg
i 9.883060928448479 5.9357e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      389  
   data-arc span      8837 days (24.19 yr)  
   first obs. used      1996-02-10  
   last obs. used      2020-04-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53429  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:01:26  

Additional Information
 Jupiter MOID = 2.77056 au 
 T_jup = 3.577 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.016360431671405E-15 -6.945630147610424E-15 -6.445378739427302E-13 2.642622875082924E-14 -2.569049838789248E-13 -9.621393782135865E-15
q -6.945630147610424E-15 1.609241328894423E-14 1.564509958590316E-12 -6.065723909777151E-14 6.080430640488198E-13 2.277134747893937E-14
tp -6.445378739427302E-13 1.564509958590316E-12 3.743899484513887E-9 1.359317924447843E-11 1.155623071716467E-9 3.221340862233324E-12
node 2.642622875082924E-14 -6.065723909777151E-14 1.359317924447843E-11 1.372492969238227E-9 -1.346933563699722E-9 -2.560260146729832E-11
peri -2.569049838789248E-13 6.080430640488198E-13 1.155623071716467E-9 -1.346933563699722E-9 1.707056450925637E-9 2.634994712072348E-11
i -9.621393782135865E-15 2.277134747893937E-14 3.221340862233324E-12 -2.560260146729832E-11 2.634994712072348E-11 3.523268347729223E-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 16.65   n/a E2021B55  

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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