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15798 (1993 VZ4)
Classification: Main-belt Asteroid          SPK-ID: 2015798
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1964084423151311 3.6307e-08  
a 2.423861240490845 6.2459e-09 au
q 1.947794429858017 8.88e-08 au
i 1.73667940937002 3.6449e-06 deg
node 29.49779869207219 0.0001367 deg
peri 348.0673069809365 0.00013705 deg
M 94.49441352805154 1.0114e-05 deg
tp 2458838.704058253024
(2019-Dec-21.20405825)
3.848e-05 TDB
period 1378.351737060589
3.77
5.3277e-06
1.459e-08
d
yr
n .2611815187085118 1.0095e-09 deg/d
Q 2.899928051123673 7.4726e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1990  
   data-arc span      11488 days (31.45 yr)  
   first obs. used      1989-10-01  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50437  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:09:14  

Additional Information
 Earth MOID = .948234 au 
 Jupiter MOID = 2.56351 au 
 T_jup = 3.485 
[ 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 14.47   n/a E2021B10  
diameter diameter 3.587 km 0.395 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.578 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 0.287   0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15798 (1993 VZ4)          Discovered 1993-Nov-14 by Hirasawa, M., Suzuki, S. at Nyukasa
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 VZ4 = 1989 TE14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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