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90155 (2002 YW25)
Classification: Main-belt Asteroid          SPK-ID: 2090155
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1936349095901141 4.2142e-08  
a 3.093120214252814 2.0485e-08 au
q 2.494184161214616 1.2737e-07 au
i 13.1926024058326 4.6632e-06 deg
node 104.5827423165758 1.9447e-05 deg
peri 99.10693964741593 2.3188e-05 deg
M 70.04408479802213 1.2068e-05 deg
tp 2459009.899340955613
(2020-Jun-09.39934096)
6.5593e-05 TDB
period 1986.98059453993
5.44
1.9739e-05
5.404e-08
d
yr
n .1811794241922907 1.7998e-09 deg/d
Q 3.692056267291012 2.4451e-08 au
  Orbit Determination Parameters
   # obs. used (total)      661  
   data-arc span      9006 days (24.66 yr)  
   first obs. used      1996-12-12  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49879  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:00:28  

Additional Information
 Earth MOID = 1.53282 au 
 Jupiter MOID = 1.53666 au 
 T_jup = 3.155 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.96   n/a E2021B10  
diameter diameter 4.283 km 0.249 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.127   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90155 (2002 YW25)          Discovered 2002-Dec-31 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 2002 YW25 = 2004 GE17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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