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3381 Mikkola (1941 UG)
Classification: Main-belt Asteroid          SPK-ID: 2003381
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 70 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2067110439873563 3.5968e-08  
a 2.452614143002205 8.1316e-09 au
q 1.945631713004064 8.8276e-08 au
i 4.215035515136711 2.9126e-06 deg
node 257.7894407163421 5.7746e-05 deg
peri 134.9021241886167 5.8263e-05 deg
M 146.0968598152263 8.1206e-06 deg
tp 2458431.148263046323
(2018-Nov-08.64826305)
3.1257e-05 TDB
period 1402.950245217809
3.84
6.9772e-06
1.91e-08
d
yr
n .2566021148840597 1.2761e-09 deg/d
Q 2.959596573000346 9.8124e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2641  
   data-arc span      28753 days (78.72 yr)  
   first obs. used      1941-09-26  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4436  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:56:42  

Additional Information
 Earth MOID = .954691 au 
 Jupiter MOID = 2.48691 au 
 T_jup = 3.461 
[ 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 13.2   n/a PDS3 (MPC 17268)  
diameter diameter 3.810 km 0.169 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.639   0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3381 Mikkola (1941 UG)          Discovered 1941-Oct-15 by Oterma, L. at Turku
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1941 UG = 1949 XG = 1974 HG = 1977 BE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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