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91385 (1999 JW125)
Classification: Main-belt Asteroid          SPK-ID: 2091385
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1314926305547775 4.1158e-08  
a 2.379918769403868 1.1192e-08 au
q 2.066976989908265 1.003e-07 au
i 2.406634916803881 4.1946e-06 deg
node 148.5655358605574 9.7365e-05 deg
peri 49.06441311323024 9.8718e-05 deg
M 282.0270831535199 1.8115e-05 deg
tp 2459290.957709379375
(2021-Mar-17.45770938)
6.8581e-05 TDB
period 1341.039678975348
3.67
9.4595e-06
2.59e-08
d
yr
n .2684484326929583 1.8936e-09 deg/d
Q 2.692860548899472 1.2663e-08 au
  Orbit Determination Parameters
   # obs. used (total)      637  
   data-arc span      9124 days (24.98 yr)  
   first obs. used      1995-02-04  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54782  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:28:52  

Additional Information
 Earth MOID = 1.06611 au 
 Jupiter MOID = 2.26256 au 
 T_jup = 3.526 
[ 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 16.2   n/a MPO449561  
diameter diameter 1.522 km 0.313 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.333   0.138 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91385 (1999 JW125)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 JW125 = 2002 AW134 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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