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101549 (1998 YY29)
Classification: Inner Main-belt Asteroid          SPK-ID: 2101549
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06533252944040978 3.3023e-08  
a 1.928131149082043 5.6868e-09 au
q 1.802161464019669 6.4863e-08 au
i 25.45217853744166 4.054e-06 deg
node 103.7338767995282 7.8745e-06 deg
peri 309.321262966513 3.1832e-05 deg
M 63.44973994993224 2.9507e-05 deg
tp 2458828.142324366219
(2019-Dec-10.64232437)
8.0258e-05 TDB
period 977.9198981291858
2.68
4.3264e-06
1.185e-08
d
yr
n .3681283105995692 1.6286e-09 deg/d
Q 2.054100834144416 6.0583e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1513  
   data-arc span      7813 days (21.39 yr)  
   first obs. used      1998-11-25  
   last obs. used      2020-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45538  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:59:55  

Additional Information
 Earth MOID = .851855 au 
 Jupiter MOID = 3.16768 au 
 T_jup = 3.796 
[ 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 15.0   n/a MPO385427  
rotation period rot_per 56.7 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:
[Warner, B.D. (2007) Minor Planet Bull. 34, 72-77.]
[Warner, B.D.; Stephens, R.D.; Harris, A.W.; Pravec, P. (2009) Minor Planet Bull. 36, 176-178.]

101549 (1998 YY29)          Discovered 1998-Dec-27 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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