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108584 (2001 MQ9)
Classification: Main-belt Asteroid          SPK-ID: 2108584
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .131895375514219 4.8438e-08  
a 2.642776707211588 1.3566e-08 au
q 2.294206681013685 1.314e-07 au
i 10.82451958682451 4.51e-06 deg
node 274.1809603112947 2.5284e-05 deg
peri 46.95434422470407 2.9733e-05 deg
M 148.3643044678141 1.5723e-05 deg
tp 2458353.780350244744
(2018-Aug-23.28035024)
6.7834e-05 TDB
period 1569.239142440759
4.30
1.2083e-05
3.308e-08
d
yr
n .229410540601265 1.7665e-09 deg/d
Q 2.991346733409491 1.5356e-08 au
  Orbit Determination Parameters
   # obs. used (total)      898  
   data-arc span      7182 days (19.66 yr)  
   first obs. used      2000-05-07  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53327  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 15:41:47  

Additional Information
 Earth MOID = 1.29542 au 
 Jupiter MOID = 2.29661 au 
 T_jup = 3.357 
[ 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 14.8   n/a MPO449650  
diameter diameter 7.488 km 0.137 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.042   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

108584 (2001 MQ9)          Discovered 2001-Jun-21 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2001 MQ9 = 2000 JD25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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