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56455 (2000 GW87)
Classification: Main-belt Asteroid          SPK-ID: 2056455
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1813709420202217 3.0481e-08  
a 2.215174777292451 6.4817e-09 au
q 1.813406441195484 6.8966e-08 au
i 6.774017489397977 3.4642e-06 deg
node 104.9891012072581 2.8281e-05 deg
peri 182.9813315934426 2.9981e-05 deg
M 331.6785283848371 9.1884e-06 deg
tp 2459095.237896728941
(2020-Sep-02.73789673)
3.0676e-05 TDB
period 1204.232720878782
3.30
5.2854e-06
1.447e-08
d
yr
n .2989455391456994 1.3121e-09 deg/d
Q 2.616943113389417 7.6573e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1505  
   data-arc span      8945 days (24.49 yr)  
   first obs. used      1995-12-20  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52637  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 22:25:05  

Additional Information
 Earth MOID = .79707 au 
 Jupiter MOID = 2.54648 au 
 T_jup = 3.623 
[ 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 15.3   n/a MPO365906  
diameter diameter 2.203 km 0.450 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.252   0.140 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56455 (2000 GW87)          Discovered 2000-Apr-04 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 GW87 = 1995 YK23 = 1998 XL86 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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