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JPL Small-Body Database Browser
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97908 (2000 QA81)
Classification: Main-belt Asteroid          SPK-ID: 2097908
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1483140641004507 5.5803e-08  
a 2.384432575819373 1.3441e-08 au
q 2.030787689926096 1.3219e-07 au
i 2.717504818170096 6.0009e-06 deg
node 190.7178557562974 9.5546e-05 deg
peri 194.3511518525656 9.6815e-05 deg
M 349.0151278923963 1.542e-05 deg
tp 2458641.536328788886
(2019-Jun-07.03632879)
5.772e-05 TDB
period 1344.856655524743
3.68
1.1372e-05
3.113e-08
d
yr
n .2676865214750589 2.2634e-09 deg/d
Q 2.738077461712651 1.5435e-08 au
  Orbit Determination Parameters
   # obs. used (total)      446  
   data-arc span      6085 days (16.66 yr)  
   first obs. used      2000-08-24  
   last obs. used      2017-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56711  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 03:49:44  

Additional Information
 Earth MOID = 1.03395 au 
 Jupiter MOID = 2.70631 au 
 T_jup = 3.520 
[ 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 16.4   n/a MPO453429  
diameter diameter 3.669 km 0.272 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.043   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97908 (2000 QA81)          Discovered 2000-Aug-24 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

Alternate Designations
 2000 QA81 = 2002 CQ129 = 2003 KC37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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