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72477 (2001 DQ37)
Classification: Main-belt Asteroid          SPK-ID: 2072477
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1566395268616135 4.225e-08  
a 2.590979167071021 1.1292e-08 au
q 2.185129416232719 1.0927e-07 au
i 14.4615728185347 4.4182e-06 deg
node 141.6124948794019 1.3568e-05 deg
peri 164.0705034389137 1.7811e-05 deg
M 164.5498137546113 1.0453e-05 deg
tp 2458700.211531496523
(2019-Aug-04.71153150)
4.391e-05 TDB
period 1523.331099207805
4.17
9.9585e-06
2.726e-08
d
yr
n .2363241977973237 1.5449e-09 deg/d
Q 2.996828917909323 1.3061e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1233  
   data-arc span      7795 days (21.34 yr)  
   first obs. used      1999-10-09  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50508  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:02:17  

Additional Information
 Earth MOID = 1.17337 au 
 Jupiter MOID = 2.308 au 
 T_jup = 3.358 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457564.5 (2016-Jun-25.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1573955096311412 4.2061e-08  
q 2.182415714937338 1.0884e-07 au
tp 2457178.839517553334
(2015-Jun-05.33951755)
4.4772e-05 TDB
node 141.6771152188374 1.3575e-05 deg
peri 164.2287801161837 1.7803e-05 deg
i 14.45989782651084 4.4173e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1233  
   data-arc span      7795 days (21.34 yr)  
   first obs. used      1999-10-09  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50508  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:02:17  

Additional Information
 Jupiter MOID = 2.308 au 
 T_jup = 3.358 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.769086823881751E-15 -4.560492488167667E-15 -7.899546164691435E-14 -1.513113812550944E-15 -5.805969396676858E-14 3.099838969041478E-16
q -4.560492488167667E-15 1.184709500394768E-14 1.128683233017564E-13 3.860010168919588E-15 1.33054133198429E-13 -5.352023781214992E-16
tp -7.899546164691435E-14 1.128683233017564E-13 2.004528325212121E-9 -2.719930838169179E-12 5.230742692311634E-10 -1.947234597321053E-12
node -1.513113812550944E-15 3.860010168919588E-15 -2.719930838169179E-12 1.842851502154906E-10 -1.784992249357763E-10 -7.329723676560822E-12
peri -5.805969396676858E-14 1.33054133198429E-13 5.230742692311634E-10 -1.784992249357763E-10 3.169639497112147E-10 6.638031281624646E-12
i 3.099838969041478E-16 -5.352023781214992E-16 -1.947234597321053E-12 -7.329723676560822E-12 6.638031281624646E-12 1.951225760680913E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.72   n/a MPCxxxxx  
diameter diameter 2.835 km 0.562 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.426   0.149 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72477 (2001 DQ37)          Discovered 2001-Feb-19 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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