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4975 Dohmoto (1990 SZ1)
Classification: Main-belt Asteroid          SPK-ID: 2004975
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2310240442711965 3.8534e-08  
a 3.077770728898849 1.3955e-08 au
q 2.366731687769128 1.1788e-07 au
i 14.99639555557181 5.277e-06 deg
node 179.6700889108976 1.3616e-05 deg
peri 227.6515243738673 1.6803e-05 deg
M 179.4028515540103 1.0296e-05 deg
tp 2458217.667146609862
(2018-Apr-09.16714661)
5.3759e-05 TDB
period 1972.208491423728
5.40
1.3413e-05
3.672e-08
d
yr
n .182536482103937 1.2415e-09 deg/d
Q 3.78880977002857 1.7179e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2382  
   data-arc span      18258 days (49.99 yr)  
   first obs. used      1971-03-24  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46211  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:58:51  

Additional Information
 Earth MOID = 1.40112 au 
 Jupiter MOID = 1.78087 au 
 T_jup = 3.136 
[ 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 12.38   n/a E2021B10  
diameter diameter 17.723 km 0.502 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.9618 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Benishek, V.; Pilcher, F. (2018) Minor Planet Bull. 45, 54-55.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.107   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4975 Dohmoto (1990 SZ1)          Discovered 1990-Sep-16 by Fujii and Watanabe at Kitami
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1990 SZ1 = 1981 AL1 = 1985 YF = 1987 FM1 = 1990 UX13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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