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90288 Dalleave (2003 ET17)
Classification: Main-belt Asteroid          SPK-ID: 2090288
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1537040948329394 4.2966e-08  
a 3.089269499368356 2.3849e-08 au
q 2.614436127272935 1.3587e-07 au
i 9.509931689647342 6.2247e-06 deg
node 155.6690738136657 2.796e-05 deg
peri 77.9945170196775 3.3986e-05 deg
M 94.73503571783939 1.9787e-05 deg
tp 2458874.596458093514
(2020-Jan-26.09645809)
0.00010736 TDB
period 1983.271275116588
5.43
2.2966e-05
6.288e-08
d
yr
n .1815182847232218 2.1019e-09 deg/d
Q 3.564102871463777 2.7514e-08 au
  Orbit Determination Parameters
   # obs. used (total)      610  
   data-arc span      8474 days (23.20 yr)  
   first obs. used      1998-05-26  
   last obs. used      2021-08-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55359  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:00:43  

Additional Information
 Earth MOID = 1.62548 au 
 Jupiter MOID = 1.52548 au 
 T_jup = 3.186 
[ 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 14.95   n/a MPCxxxxx  
diameter diameter 7.252 km 0.705 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90288 Dalleave           Discovered 2003 Mar. 6 by the Asiago-DLR Asteroid Survey at Cima Ekar.
Sergio Dalle Ave (b. 1955), technician and night assistant at the Asiago Astrophysical Observatory since 1982, is an expert in graphics and in the enhancement of photographic plates. He contributed to the ADAS project by acquiring and storing data with the Schmidt telescope in Asiago.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070106/MPCPages.arcLast Updated: 2007-01-09

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