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25413 Dorischen (1999 VE39)
Classification: Main-belt Asteroid          SPK-ID: 2025413
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1734974423841538 3.2583e-08  
a 2.232206781850163 8.4801e-09 au
q 1.844924614326596 7.1521e-08 au
i .4783560616648915 3.8916e-06 deg
node 48.30212212203 0.0004718 deg
peri 199.6524791993941 0.00047204 deg
M 227.7161402918102 1.8443e-05 deg
tp 2459448.114780801590
(2021-Aug-21.61478080)
6.3788e-05 TDB
period 1218.148014761895
3.34
6.9416e-06
1.901e-08
d
yr
n .2955305887604861 1.6841e-09 deg/d
Q 2.619488949373729 9.9514e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1200  
   data-arc span      17823 days (48.80 yr)  
   first obs. used      1971-04-16  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53813  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:28:01  

Additional Information
 Earth MOID = .831145 au 
 Jupiter MOID = 2.40752 au 
 T_jup = 3.621 
[ 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 15.1   n/a MPO502348  
diameter diameter 2.911 km 0.466 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.229   0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

25413 Dorischen           Discovered 1999 Nov. 10 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Doris Chen (b. 1991) is a finalist in the 2009 Intel Science Talent Search (STS), a science competition for high school seniors, for her medicine and health project. She attends the Tenafly High School, Tenafly, New Jersey.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090311/MPCPages.arcLast Updated: 2009-03-12

[ show close-approach data ]
Alternate Designations
 1999 VE39 = 1981 FU 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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