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43191 (1999 YM5)
Classification: Main-belt Asteroid          SPK-ID: 2043191
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1637959793611418 3.8494e-08  
a 3.074000203286484 2.0798e-08 au
q 2.570491329432826 1.131e-07 au
i 15.32267346337247 4.5479e-06 deg
node 82.54832130357875 1.5112e-05 deg
peri 267.9573678225914 2.1734e-05 deg
M 51.37369554407937 1.3853e-05 deg
tp 2458919.573588547210
(2020-Mar-11.07358855)
7.6147e-05 TDB
period 1968.585422012911
5.39
1.9979e-05
5.47e-08
d
yr
n .1828724301086686 1.8559e-09 deg/d
Q 3.577509077140143 2.4205e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1393  
   data-arc span      8200 days (22.45 yr)  
   first obs. used      1998-09-30  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45425  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:17:05  

Additional Information
 Earth MOID = 1.62013 au 
 Jupiter MOID = 2.02674 au 
 T_jup = 3.155 
[ 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 13.75   n/a MPCxxxxx  
diameter diameter 7.284 km 0.233 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 61.486 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.]
geometric albedo albedo 0.145   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43191 (1999 YM5)          Discovered 1999-Dec-29 by Crni Vrh at Crni Vrh
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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