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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 ]

[ show orbit diagram ]
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1947-Feb-10 21:13 00:02 Jupiter 1.89835871058825 1.89835758660576 1.89835983460624 4.448280514131 4.34681791938263 2432227.383998426 1.82745702465534 457.449326024808 18.9531398920543 83.5198526473433 2652736.54475659 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 15:36:45 2021-Apr-13 15:36
1957-Jun-02 04:45 00:02 Jupiter 1.88346836121259 1.88346755721495 1.88346916521029 3.82442293588119 3.70496725301853 2435991.697691659 1.60394518938863 215.906298230007 41.0963417949659 88.8864151810269 2277792.32379398 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 15:36:45 2021-Apr-13 15:36
2018-Jul-07 18:27 < 00:01 Jupiter 1.95975818631386 1.9597576493336 1.95975872329702 4.43090319901526 4.33226128338945 2458307.269073310 0.349810934913777 220.113512798723 19.2665140465606 85.5140960638314 3204971.88748699 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 15:36:45 2021-Apr-13 15:36
2028-Oct-29 22:24 < 00:01 Jupiter 1.82587437325284 1.82587363704274 1.82587510946345 4.02956934929163 3.91275220396142 2462074.433678762 0.582866481482707 170.45097876612 32.1026208890995 84.7758226575819 2638536.69675607 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 15:36:45 2021-Apr-13 15:36
2100-Mar-25 08:20 00:02 Jupiter 1.7841829824334 1.78418201343954 1.78418395142899 4.17302491948153 4.05766651651123 2488152.847079379 2.4017418189351 223.021039117541 45.3412404973064 -85.0218038367886 2667705.69284499 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 15:36:45 2021-Apr-13 15:36
2171-Aug-15 20:06 00:04 Jupiter 1.76211479778414 1.76211405490991 1.76211554066939 4.26875604822636 4.15462486768324 2514228.337562949 4.24904475012357 430.981562049902 31.8498811043934 -87.2888097216729 2621548.83104196 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 15:36:45 2021-Apr-13 15:36
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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