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JPL Small-Body Database Browser
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97909 (2000 QY81)
Classification: Main-belt Asteroid          SPK-ID: 2097909
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03387231095568374 4.3506e-08  
a 2.182463146866543 1.2168e-08 au
q 2.108538076506559 9.9615e-08 au
i 2.038515853323428 5.5626e-06 deg
node 294.5121970136584 0.00016097 deg
peri 111.098251381555 0.000192 deg
M 347.5007404504933 0.00010697 deg
tp 2459041.388444655668
(2020-Jul-10.88844466)
0.00035007 TDB
period 1177.65696581773
3.22
9.8488e-06
2.696e-08
d
yr
n .3056917340526463 2.5565e-09 deg/d
Q 2.256388217226526 1.258e-08 au
  Orbit Determination Parameters
   # obs. used (total)      488  
   data-arc span      6973 days (19.09 yr)  
   first obs. used      2000-08-24  
   last obs. used      2019-09-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6092  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 11:36:11  

Additional Information
 Earth MOID = 1.11788 au 
 Jupiter MOID = 2.83612 au 
 T_jup = 3.678 
[ 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 16.6   n/a MPO436452  
rotation period rot_per 10.512 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

97909 (2000 QY81)          Discovered 2000-Aug-24 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

Alternate Designations
 2000 QY81 = 2002 CE132 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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