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385407 (2002 XY54)
Classification: Main-belt Asteroid          SPK-ID: 2385407
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2529180356468876 4.1211e-08  
a 2.341394308121005 1.1839e-08 au
q 1.749213459036237 9.4673e-08 au
i 11.20635591230548 6.4349e-06 deg
node 88.48524326817372 3.1034e-05 deg
peri 315.0380303051915 3.8707e-05 deg
M 30.21098232656161 1.7585e-05 deg
tp 2459090.682232580111
(2020-Aug-29.18223258)
6.3839e-05 TDB
period 1308.61008900069
3.58
9.9249e-06
2.717e-08
d
yr
n .2751010427215269 2.0864e-09 deg/d
Q 2.933575157205774 1.4833e-08 au
  Orbit Determination Parameters
   # obs. used (total)      215  
   data-arc span      6629 days (18.15 yr)  
   first obs. used      2002-12-01  
   last obs. used      2021-01-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53634  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:05:16  

Additional Information
 Earth MOID = .777866 au 
 Jupiter MOID = 2.49668 au 
 T_jup = 3.496 
[ 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 17.40   n/a MPCxxxxx  
diameter diameter 1.699 km 0.352 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.088   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

385407 (2002 XY54)          Discovered 2002-Dec-10 by NEAT at Palomar
Reference: Last Updated: 2014-02-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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