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10000 Myriostos (1951 SY)
Classification: Main-belt Asteroid          SPK-ID: 2010000
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3062533382828018 4.9676e-08  
a 2.58444334845134 1.526e-08 au
q 1.792948945385335 1.3494e-07 au
i 20.64642535237587 4.2807e-06 deg
node 169.5044959051033 1.2206e-05 deg
peri 200.2548740540022 1.6314e-05 deg
M 280.263389211195 1.7735e-05 deg
tp 2459732.627637683253
(2022-Jun-02.12763768)
7.753e-05 TDB
period 1517.570766664193
4.15
1.3441e-05
3.68e-08
d
yr
n .2372212274432014 2.101e-09 deg/d
Q 3.375937751517344 1.9933e-08 au
  Orbit Determination Parameters
   # obs. used (total)      755  
   data-arc span      25513 days (69.85 yr)  
   first obs. used      1951-09-30  
   last obs. used      2021-08-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53361  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 20:07:57  

Additional Information
 Earth MOID = .799793 au 
 Jupiter MOID = 2.10906 au 
 T_jup = 3.269 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457716.5 (2016-Nov-24.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3052508294233947 4.9668e-08  
q 1.796565641425883 1.3485e-07 au
tp 2458215.103463290354
(2018-Apr-06.60346329)
6.538e-05 TDB
node 169.5174785483018 1.2205e-05 deg
peri 200.2904565887608 1.6343e-05 deg
i 20.63992929091439 4.2795e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      755  
   data-arc span      25513 days (69.85 yr)  
   first obs. used      1951-09-30  
   last obs. used      2021-08-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53361  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 20:07:57  

Additional Information
 Jupiter MOID = 2.10906 au 
 T_jup = 3.269 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.466878572737195E-15 -6.684319815551118E-15 -1.720209822564491E-12 1.176649334955469E-15 -2.224852960781763E-13 -8.038587388397495E-15
q -6.684319815551118E-15 1.818510019825562E-14 5.067526937058114E-12 -2.938512544432795E-15 6.731233381406752E-13 2.536412886593381E-14
tp -1.720209822564491E-12 5.067526937058114E-12 4.274547704822473E-9 3.393365410793633E-12 7.271488526265365E-10 3.186087371903925E-11
node 1.176649334955469E-15 -2.938512544432795E-15 3.393365410793633E-12 1.489742275645627E-10 -1.38433426521328E-10 7.650479379976884E-12
peri -2.224852960781763E-13 6.731233381406752E-13 7.271488526265365E-10 -1.38433426521328E-10 2.671053097981518E-10 -1.582688870646024E-12
i -8.038587388397495E-15 2.536412886593381E-14 3.186087371903925E-11 7.650479379976884E-12 -1.582688870646024E-12 1.831399358611881E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.18   n/a MPO636217  
rotation period rot_per 382.172 h n/a LCDB (Rev. 2020-October); 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

10000 Myriostos (1951 SY)          Discovered 1951-Sep-30 by Wilson, A. G. at Palomar
Reference: 19990302/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1951 SY = 1980 TS2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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