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72491 (2001 DR49)
Classification: Main-belt Asteroid          SPK-ID: 2072491
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1123796664851057 6.0176e-08  
a 2.589220652665545 1.7816e-08 au
q 2.298244899262643 1.5294e-07 au
i 27.24264151450197 6.1613e-06 deg
node 323.9283833062214 1.1317e-05 deg
peri 346.2847655825696 3.1839e-05 deg
M 90.25685861286874 3.4886e-05 deg
tp 2458818.969085387858
(2019-Dec-01.46908539)
0.00014511 TDB
period 1521.780520298186
4.17
1.5707e-05
4.3e-08
d
yr
n .2365649942275904 2.4416e-09 deg/d
Q 2.880196406068447 1.9818e-08 au
  Orbit Determination Parameters
   # obs. used (total)      789  
   data-arc span      8747 days (23.95 yr)  
   first obs. used      1997-03-04  
   last obs. used      2021-02-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5122  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:02:22  

Additional Information
 Earth MOID = 1.28744 au 
 Jupiter MOID = 2.46566 au 
 T_jup = 3.256 
[ 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 14.75   n/a MPCxxxxx  
diameter diameter 7.582 km 0.140 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72491 (2001 DR49)          Discovered 2001-Feb-16 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 DR49 = 1999 OO2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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