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1441 Bolyai (1937 WA)
Classification: Main-belt Asteroid          SPK-ID: 2001441
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2392364955235577 4.722e-08  
a 2.630824646951524 8.2382e-09 au
q 2.00143537807784 1.2324e-07 au
i 13.91792863359649 4.4446e-06 deg
node 254.0133619739121 1.6466e-05 deg
peri 115.9483830100528 1.8532e-05 deg
M 158.0833878407835 9.2429e-06 deg
tp 2458316.084220945182
(2018-Jul-16.58422095)
3.8875e-05 TDB
period 1558.605770189402
4.27
7.321e-06
2.004e-08
d
yr
n .2309756622781222 1.0849e-09 deg/d
Q 3.260213915825207 1.0209e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2057  
   data-arc span      30146 days (82.54 yr)  
   first obs. used      1937-11-27  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44777  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:31:22  

Additional Information
 Earth MOID = 1.04651 au 
 Jupiter MOID = 2.38271 au 
 T_jup = 3.318 
[ 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 13.2   n/a MPO458842  
diameter diameter 14.76 km 1.4 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
geometric albedo albedo 0.0467   0.011 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2

1441 Bolyai (1937 WA)          Discovered 1937-Nov-26 by Kulin, G. at Budapest
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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