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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2389477265465791 4.8169e-08  
a 2.631590608808402 8.3114e-09 au
q 2.002778015632306 1.2597e-07 au
i 13.91826247065971 5.2517e-06 deg
node 254.0180285835429 1.6691e-05 deg
peri 115.9995459361645 1.9478e-05 deg
M 65.66988919352254 9.8901e-06 deg
tp 2458316.060634342420
(2018-Jul-16.56063434)
4.2502e-05 TDB
period 1559.286499402667
4.27
7.3871e-06
2.022e-08
d
yr
n .2308748264914172 1.0938e-09 deg/d
Q 3.260403201984498 1.0297e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1808  
   data-arc span      29948 days (81.99 yr)  
   first obs. used      1937-11-27  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46289  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:22:21  

Additional Information
 Earth MOID = 1.04708 au 
 Jupiter MOID = 2.37962 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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