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JPL Small-Body Database Browser
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27258 Chelseavoss (1999 XF49)
Classification: Main-belt Asteroid          SPK-ID: 2027258
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1215394528552782 4.9523e-08  
a 2.422819145114291 1.1254e-08 au
q 2.128351031849807 1.1995e-07 au
i 1.511364054166917 5.2769e-06 deg
node 340.1017535491893 0.00018823 deg
peri 82.23807351656235 0.0001896 deg
M 53.63815136499763 2.2566e-05 deg
tp 2458395.265095875851
(2018-Oct-03.76509588)
8.593e-05 TDB
period 1377.462936444674
3.77
9.5972e-06
2.628e-08
d
yr
n .2613500446909915 1.8209e-09 deg/d
Q 2.717287258378775 1.2621e-08 au
  Orbit Determination Parameters
   # obs. used (total)      760  
   data-arc span      8541 days (23.38 yr)  
   first obs. used      1995-10-17  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56303  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:02:37  

Additional Information
 Earth MOID = 1.14162 au 
 Jupiter MOID = 2.56048 au 
 T_jup = 3.502 
[ 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 16.1   n/a MPO324560  
diameter diameter 2.552 km 0.273 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.108   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27258 Chelseavoss           Discovered 1999 Dec. 7 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Chelsea Sierra Voss (b. 1994) was a finalist in the 2010 Intel Science Talent Search, a science competition for high-school seniors, for her bioinformatics and genomics project. She attends the Cupertino High School, Cupertino, California, 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: 20110319/MPCPages.arcLast Updated: 2011-03-23

[ show close-approach data ]
Alternate Designations
 1999 XF49 = 1997 EM6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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