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JPL Small-Body Database Browser
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39257 (2000 YT122)
Classification: Main-belt Asteroid          SPK-ID: 2039257
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1019980675573231 4.6214e-08  
a 2.536432885729359 1.7635e-08 au
q 2.27772163289612 1.1889e-07 au
i 10.31894148691854 5.3113e-06 deg
node 172.9446898337743 2.9005e-05 deg
peri 179.0983764193009 4.1051e-05 deg
M 9.489702791610018 3.0837e-05 deg
tp 2458961.605911321989
(2020-Apr-22.10591132)
0.00012637 TDB
period 1475.480553138426
4.04
1.5388e-05
4.213e-08
d
yr
n .2439883055281622 2.5445e-09 deg/d
Q 2.795144138562598 1.9434e-08 au
  Orbit Determination Parameters
   # obs. used (total)      747  
   data-arc span      7735 days (21.18 yr)  
   first obs. used      1998-03-20  
   last obs. used      2019-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56688  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:05:51  

Additional Information
 Earth MOID = 1.27218 au 
 Jupiter MOID = 2.6367 au 
 T_jup = 3.418 
[ 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 14.9   n/a MPO493123  
rotation period rot_per 2.33 h n/a LCDB (Rev. 2019-August); 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:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

39257 (2000 YT122)          Discovered 2000-Dec-28 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 YT122 = 1998 FQ50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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