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JPL Small-Body Database Browser
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3961 Arthurcox (1962 OB)
Classification: Main-belt Asteroid          SPK-ID: 2003961
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1524530419023433 4.1426e-08  
a 2.623397025981443 1.4057e-08 au
q 2.223452169253012 1.0854e-07 au
i 12.64940446223057 5.0668e-06 deg
node 316.6046267620581 1.815e-05 deg
peri 327.3505992323909 2.4567e-05 deg
M 155.1145146360014 1.8731e-05 deg
tp 2457931.779869223506
(2017-Jun-27.27986922)		 7.967e-05 TDB
period 1552.009801561558
4.25		 1.2474e-05
3.415e-08		 d
yr
n .2319572979743977 1.8643e-09 deg/d
Q 3.023341882709875 1.62e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1779  
   data-arc span      20945 days (57.34 yr)  
   first obs. used      1962-07-31  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45351  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:37:50  

Additional Information
 Earth MOID = 1.21716 au 
 Jupiter MOID = 2.22016 au 
 T_jup = 3.353 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.1   n/a MPO384788  
diameter diameter 10.28 km 0.9 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
geometric albedo albedo 0.2012   0.039 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2

3961 Arthurcox (1962 OB)          Discovered 1962-Jul-31 by Goethe Link Observatory at Brooklyn
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1962 OB = 1962 PQ = 1962 QL = 1978 GG = 1979 OF14 = 1979 QJ7 = 1980 WL 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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