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72907 (2001 MY1)
Classification: Main-belt Asteroid          SPK-ID: 2072907
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1009482561417004 3.0696e-08  
a 2.54913850616065 1.2791e-08 au
q 2.291807419300073 8.0877e-08 au
i 13.9124844941727 5.4812e-06 deg
node 29.87019522606338 1.3934e-05 deg
peri 108.7693892987903 3.517e-05 deg
M 18.63470928259106 2.9969e-05 deg
tp 2459123.549986952752
(2020-Oct-01.04998695)
0.00012385 TDB
period 1486.580996618447
4.07
1.1189e-05
3.063e-08
d
yr
n .2421664213513415 1.8226e-09 deg/d
Q 2.806469593021227 1.4082e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1555  
   data-arc span      7813 days (21.39 yr)  
   first obs. used      1999-11-01  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46869  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:16:30  

Additional Information
 Earth MOID = 1.34372 au 
 Jupiter MOID = 2.25696 au 
 T_jup = 3.393 
[ 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 14.40   n/a E2021B10  
diameter diameter 3.674 km 0.785 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 42.9434 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 0.360   0.214 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72907 (2001 MY1)          Discovered 2001-Jun-16 by NEAT at Palomar
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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