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4686 Maisica (1979 SX2)
Classification: Main-belt Asteroid          SPK-ID: 2004686
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1583683858660006 1.5275e-08  
a 2.365821708291358 5.8864e-09 au
q 1.991150343102511 3.6224e-08 au
i 4.467981910219243 6.1638e-07 deg
node 237.0056192766909 6.8905e-06 deg
peri 115.6033109434953 8.7247e-06 deg
M 130.6132853401892 5.6393e-06 deg
tp 2458718.267697602380
(2019-Aug-22.76769760)
2.0526e-05 TDB
period 1329.142195688466
3.64
4.9605e-06
1.358e-08
d
yr
n .2708513815660843 1.0109e-09 deg/d
Q 2.740493073480204 6.8186e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2728  
   data-arc span      15160 days (41.51 yr)  
   first obs. used      1979-09-18  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4346  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:47:10  

Additional Information
 Earth MOID = .989253 au 
 Jupiter MOID = 2.70909 au 
 T_jup = 3.527 
[ 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 13.61   n/a MPCxxxxx  
diameter diameter 3.477 km 0.889 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.779 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2019) http://www.asu.cas.cz/~ppravec/neo.htm]
[Ferrero, A.; Bonamico, R. (2020) Minor Planet Bull. 47, 147-148.]
geometric albedo albedo 0.699   0.280 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
SMASSII spectral type spec_B B   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

4686 Maisica (1979 SX2)          Discovered 1979-Sep-22 by Chernykh, N. S. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1979 SX2 = 1988 AG5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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