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JPL Small-Body Database Browser
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249587 (1995 WA23)
Classification: Main-belt Asteroid          SPK-ID: 2249587
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09460740332235135 6.3016e-08  
a 2.431452447432492 2.6899e-08 au
q 2.201419045079128 1.6473e-07 au
i 5.446243366409295 5.7632e-06 deg
node 222.3754076446954 7.7341e-05 deg
peri 43.87174761681583 9.2007e-05 deg
M 186.3552674583959 5.8123e-05 deg
tp 2459268.468850346840
(2021-Feb-22.96885035)
0.00023068 TDB
period 1384.832022285776
3.79
2.2981e-05
6.292e-08
d
yr
n .2599593266234494 4.3139e-09 deg/d
Q 2.661485849785856 2.9444e-08 au
  Orbit Determination Parameters
   # obs. used (total)      169  
   data-arc span      8446 days (23.12 yr)  
   first obs. used      1995-11-18  
   last obs. used      2019-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57441  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:21:43  

Additional Information
 Earth MOID = 1.1892 au 
 Jupiter MOID = 2.39092 au 
 T_jup = 3.495 
[ 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 17.1   n/a MPO321270  

249587 (1995 WA23)          Discovered 1995-Nov-18 by Spacewatch at Kitt Peak
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

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