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72469 (2001 DW27)
Classification: Main-belt Asteroid          SPK-ID: 2072469
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04093097512422706 5.184e-08  
a 2.707273062287698 1.6537e-08 au
q 2.59646173592071 1.4106e-07 au
i 2.840018694669348 4.5204e-06 deg
node 110.7756297207179 0.00011371 deg
peri 98.2834898284852 0.00012758 deg
M 111.9316027854911 5.709e-05 deg
tp 2458694.620894790915
(2019-Jul-30.12089479)
0.00025862 TDB
period 1627.033593222851
4.45
1.4908e-05
4.082e-08
d
yr
n .2212615655260731 2.0273e-09 deg/d
Q 2.818084388654686 1.7214e-08 au
  Orbit Determination Parameters
   # obs. used (total)      784  
   data-arc span      10852 days (29.71 yr)  
   first obs. used      1990-10-23  
   last obs. used      2020-07-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57171  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:02:14  

Additional Information
 Earth MOID = 1.59141 au 
 Jupiter MOID = 2.14103 au 
 T_jup = 3.362 
[ show covariance matrix ]

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 15.36   n/a E2021B10  
diameter diameter 2.720 km 0.499 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 13.33 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
geometric albedo albedo 0.104   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72469 (2001 DW27)          Discovered 2001-Feb-17 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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