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17995 Jolinefan (1999 JF74)
Classification: Main-belt Asteroid          SPK-ID: 2017995
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06024103143553191 2.7737e-08  
a 2.284094121291371 7.3766e-09 au
q 2.146497935528944 6.3627e-08 au
i 6.402883386993508 3.9002e-06 deg
node 182.9525546695318 2.672e-05 deg
peri 294.3678215862768 4.2234e-05 deg
M 252.3368631528104 3.332e-05 deg
tp 2459773.580391504725
0.00011701 TDB
period 1260.867414019106
n .2855177285076104 1.3831e-09 deg/d
Q 2.421690307053798 7.8209e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1869  
   data-arc span      10218 days (27.98 yr)  
   first obs. used      1993-08-16  
   last obs. used      2021-08-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50123  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 22:05:36  

Additional Information
 Earth MOID = 1.17171 au 
 Jupiter MOID = 2.6129 au 
 T_jup = 3.593 
[ 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 14.64   n/a MPO636335  
diameter diameter 2.601 km 0.500 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
rotation period rot_per 17.305 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.454   0.204 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  

17995 Jolinefan           Discovered 1999 May 12 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Joline Marie Fan (b. 1987) was awarded first place in the 2003 Intel International Science and Engineering Fair for her engineering project. She also received the Intel Foundation Achievement Award. She attends the Upper Arlington High School, Upper Arlington, Ohio, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040614/MPCPages.arcLast Updated: 2009-12-11

Alternate Designations
 1999 JF74 = 1993 QW1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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