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15401 (1997 VE4)
Classification: Main-belt Asteroid          SPK-ID: 2015401
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3044212706393259 4.8782e-08  
a 2.584822369316917 1.4543e-08 au
q 1.797947459272508 1.3276e-07 au
i 10.70473290368241 4.7886e-06 deg
node 234.2108134081152 2.3348e-05 deg
peri 110.5242375170036 2.5487e-05 deg
M 244.9395640829136 1.5647e-05 deg
tp 2459685.641019304341
(2022-Apr-16.14101930)
6.9391e-05 TDB
period 1517.904617321438
4.16
1.281e-05
3.507e-08
d
yr
n .2371690525820206 2.0016e-09 deg/d
Q 3.371697279361326 1.897e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1230  
   data-arc span      16188 days (44.32 yr)  
   first obs. used      1976-11-18  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56644  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:57:12  

Additional Information
 Earth MOID = .823291 au 
 Jupiter MOID = 2.22055 au 
 T_jup = 3.332 
[ 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 14.0   n/a MPO416873  
diameter diameter 9.777 km 2.808 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
rotation period rot_per 98.0364 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 0.051   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

15401 (1997 VE4)          Discovered 1997-Nov-04 by Kagawa, T., Urata, T. at Gekko
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 VE4 = 1976 WT = 1999 CW72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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