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46391 (2001 YJ97)
Classification: Main-belt Asteroid          SPK-ID: 2046391
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09563968596640297 3.3562e-08  
a 2.324418529905018 9.5237e-09 au
q 2.102111871650414 7.7681e-08 au
i 4.753302179719734 3.5994e-06 deg
node 84.74864852221965 5.0189e-05 deg
peri 169.6037964894295 5.5426e-05 deg
M 310.9493058958378 2.474e-05 deg
tp 2459376.865070706339
(2021-Jun-11.36507071)
8.9051e-05 TDB
period 1294.404220243124
3.54
7.9552e-06
2.178e-08
d
yr
n .2781202304272326 1.7093e-09 deg/d
Q 2.546725188159622 1.0435e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1093  
   data-arc span      10620 days (29.08 yr)  
   first obs. used      1992-02-23  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55252  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:38:44  

Additional Information
 Earth MOID = 1.08584 au 
 Jupiter MOID = 2.47798 au 
 T_jup = 3.565 
[ 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 15.47   n/a E2021B10  
diameter diameter 1.939 km 0.314 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 23.6283 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 0.391   0.227 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46391 (2001 YJ97)          Discovered 2001-Dec-17 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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