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109839 (2001 RQ124)
Classification: Main-belt Asteroid          SPK-ID: 2109839
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2082901065658247 1.3756e-07  
a 2.472928248302106 2.2046e-08 au
q 1.957841759933622 3.2714e-07 au
i 1.822835395542521 8.4118e-06 deg
node 44.15094779662651 0.0001724 deg
peri 348.732400262764 0.00017293 deg
M 268.2613868868892 2.1611e-05 deg
tp 2459362.463992336831
(2021-May-27.96399234)
8.9468e-05 TDB
period 1420.416472620911
3.89
1.8994e-05
5.2e-08
d
yr
n .2534467932040653 3.3892e-09 deg/d
Q 2.988014736670589 2.6638e-08 au
  Orbit Determination Parameters
   # obs. used (total)      465  
   data-arc span      14764 days (40.42 yr)  
   first obs. used      1978-11-29  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54043  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:34:05  

Additional Information
 Earth MOID = .964031 au 
 Jupiter MOID = 2.449 au 
 T_jup = 3.452 
[ 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 16.3   n/a MPO273116  
diameter diameter 3.104 km 0.121 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109839 (2001 RQ124)          Discovered 2001-Sep-12 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2001 RQ124 = 1978 WE2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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