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1988 Delores (1952 SV)
Classification: Main-belt Asteroid          SPK-ID: 2001988
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.

Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1026772178528133 3.5918e-08  
a 2.153410527608325 4.8959e-09 au
q 1.932304325738543 7.7262e-08 au
i 4.252980514777884 3.2251e-06 deg
node 106.3563093046916 4.5444e-05 deg
peri 235.3329527582169 4.713e-05 deg
M 240.8014511411847 1.3303e-05 deg
tp 2459582.670483897132
4.2995e-05 TDB
period 1154.220210901442
n .3118988877511001 1.0637e-09 deg/d
Q 2.374516729478106 5.3986e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2881  
   data-arc span      24945 days (68.30 yr)  
   first obs. used      1952-09-28  
   last obs. used      2021-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42019  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:04:58  

Additional Information
 Earth MOID = .925348 au 
 Jupiter MOID = 2.93087 au 
 T_jup = 3.693 
[ 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 13.63   n/a E2021B10  
diameter diameter 5.761 km 0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
rotation period rot_per 88.152 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.193   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  

1988 Delores (1952 SV)          Discovered 1952-Sep-28 by Goethe Link Observatory at Brooklyn
Discovered by the Indiana Asteroid Program, Goethe Link Observatory, University of Indiana. This program was conceived and directed by F. K. Edmondson; the plates were blinked and measured astrometrically by B. Potter and, following her retirement, by D. Owings; and the photometry was performed under the direction of T. Gehrels. During the years 1947-1967, in which the plates were exposed, a large number of people participated in various aspects of the program.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1952 SV = 1951 GF1 = 1952 UU = 1971 UE = 1973 GH 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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