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90275 (2003 DM)
Classification: Main-belt Asteroid          SPK-ID: 2090275
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1038068330440376 3.9288e-08  
a 3.097500895404172 2.0488e-08 au
q 2.775959137101194 1.2845e-07 au
i 5.800819775270633 4.3065e-06 deg
node 146.9699936559955 4.102e-05 deg
peri 100.3934896099767 4.6459e-05 deg
M 332.1044553107936 2.0786e-05 deg
tp 2459154.793607349130
(2020-Nov-01.29360735)
0.00011496 TDB
period 1991.203228491867
5.45
1.9756e-05
5.409e-08
d
yr
n .18079520706315 1.7937e-09 deg/d
Q 3.41904265370715 2.2615e-08 au
  Orbit Determination Parameters
   # obs. used (total)      727  
   data-arc span      9392 days (25.71 yr)  
   first obs. used      1994-08-10  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58196  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:30:17  

Additional Information
 Earth MOID = 1.76999 au 
 Jupiter MOID = 1.63356 au 
 T_jup = 3.207 
[ 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 14.9   n/a MPO432441  
diameter diameter 6.296 km 0.214 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.55 h n/a LCDB (Rev. 2019-August); 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 0.049   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90275 (2003 DM)          Discovered 2003-Feb-19 by NEAT at Haleakala
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 2003 DM = 1998 FV1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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