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JPL Small-Body Database Browser
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3633 Mira (1980 EE2)
Classification: Main-belt Asteroid          SPK-ID: 2003633
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1026538447024667 2.9435e-08  
a 2.311489420329809 6.4992e-09 au
q 2.074206144343878 6.8122e-08 au
i 3.310603729048978 3.803e-06 deg
node 230.5315467996909 5.2473e-05 deg
peri 293.9336281498847 5.5692e-05 deg
M 154.0709910786219 1.7698e-05 deg
tp 2458451.142994169493
(2018-Nov-28.64299417)
6.323e-05 TDB
period 1283.619458240922
3.51
5.4137e-06
1.482e-08
d
yr
n .2804569513875598 1.1828e-09 deg/d
Q 2.54877269631574 7.1664e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2542  
   data-arc span      24114 days (66.02 yr)  
   first obs. used      1953-09-07  
   last obs. used      2019-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46125  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:51:54  

Additional Information
 Earth MOID = 1.08399 au 
 Jupiter MOID = 2.43335 au 
 T_jup = 3.575 
[ 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 13.7   n/a MPO492794  
diameter diameter 9.538 km 0.303 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 19.170 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 0.077   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3633 Mira (1980 EE2)          Discovered 1980-Mar-13 by Felix Aguilar Observatory at El Leoncito
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1980 EE2 = 1975 VS1 = 1980 BU2 = 1984 KO 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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