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35040 (1981 EV33)
Classification: Main-belt Asteroid          SPK-ID: 2035040
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05924117429804941 3.2391e-08  
a 2.633066885115336 1.4706e-08 au
q 2.477080910835797 8.5718e-08 au
i 21.95816680467258 4.6967e-06 deg
node 181.0276511722574 9.4372e-06 deg
peri 279.2716570089593 4.4601e-05 deg
M 132.7197729194389 4.5416e-05 deg
tp 2458425.160233398262
(2018-Nov-02.66023340)
0.00019494 TDB
period 1560.598782084634
4.27
1.3074e-05
3.579e-08
d
yr
n .2306806875237434 1.9325e-09 deg/d
Q 2.789052859394876 1.5577e-08 au
  Orbit Determination Parameters
   # obs. used (total)      879  
   data-arc span      14378 days (39.36 yr)  
   first obs. used      1981-02-02  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52683  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 20:27:16  

Additional Information
 Earth MOID = 1.5681 au 
 Jupiter MOID = 2.30944 au 
 T_jup = 3.293 
[ 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 14.9   n/a MPO431895  
diameter diameter 3.105 km 1.111 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 84.183 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.290   0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35040 (1981 EV33)          Discovered 1981-Mar-01 by Bus, S. J. at Siding Spring
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1981 EV33 = 1998 FO144 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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