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101421 (1998 VS17)
Classification: Main-belt Asteroid          SPK-ID: 2101421
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1951297980963217 5.5996e-08  
a 3.116542597395261 2.1977e-08 au
q 2.508412269606938 1.6709e-07 au
i 17.8870131274359 6.1125e-06 deg
node 38.85634225573391 1.252e-05 deg
peri 328.1425248656212 1.7489e-05 deg
M 33.59224440174915 1.0763e-05 deg
tp 2459012.981315180462
(2020-Jun-12.48131518)
5.9895e-05 TDB
period 2009.592622859064
5.50
2.1257e-05
5.82e-08
d
yr
n .1791407850053833 1.8949e-09 deg/d
Q 3.724672925183584 2.6266e-08 au
  Orbit Determination Parameters
   # obs. used (total)      909  
   data-arc span      8142 days (22.29 yr)  
   first obs. used      1998-10-22  
   last obs. used      2021-02-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49855  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:42  

Additional Information
 Earth MOID = 1.52533 au 
 Jupiter MOID = 1.79059 au 
 T_jup = 3.114 
[ 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 14.35   n/a MPCxxxxx  
diameter diameter 3.929 km 0.313 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 307.151 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 0.262   0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101421 (1998 VS17)          Discovered 1998-Nov-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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