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3983 Sakiko (1984 SX)
Classification: Main-belt Asteroid          SPK-ID: 2003983
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .112967376923006 3.4108e-08  
a 2.449788725115888 8.138e-09 au
q 2.173042518823991 8.5476e-08 au
i 2.607577035083353 3.4363e-06 deg
node 329.14840021841 7.5766e-05 deg
peri 225.7529850111856 7.7213e-05 deg
M 277.8730252517499 1.591e-05 deg
tp 2459320.002822225237
(2021-Apr-15.50282222)
6.2393e-05 TDB
period 1400.526640043272
3.83
6.9786e-06
1.911e-08
d
yr
n .2570461637122999 1.2808e-09 deg/d
Q 2.726534931407785 9.0573e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2666  
   data-arc span      23366 days (63.97 yr)  
   first obs. used      1956-05-08  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4299  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:02:16  

Additional Information
 Earth MOID = 1.17295 au 
 Jupiter MOID = 2.23728 au 
 T_jup = 3.486 
[ 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 12.9   n/a MPO350833  
diameter diameter 16.39 km 0.8 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 5
rotation period rot_per 10.526 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2017) http://www.asu.cas.cz/~ppravec/neo.htm]
[Mas, V.; Fornas, G.; Lozano, J.; Rodrigo, O.; et al. (2018) Minor Planet Bull. 45, 76-82.]
geometric albedo albedo 0.055   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3983 Sakiko (1984 SX)          Discovered 1984-Sep-20 by Mrkos, A. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1984 SX = 1952 FX = 1971 BO = 1975 EG3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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