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JPL Small-Body Database Browser
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47026 (1998 VS21)
Classification: Main-belt Asteroid          SPK-ID: 2047026
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03334545341858603 3.6388e-08  
a 2.693573766114343 1.5732e-08 au
q 2.603755327566851 9.9216e-08 au
i 3.397330879988414 4.2478e-06 deg
node 291.3117044317322 8.2896e-05 deg
peri 329.5663613398191 0.00011413 deg
M 96.55899403005003 7.7695e-05 deg
tp 2458567.406197512861
(2019-Mar-24.90619751)
0.00034882 TDB
period 1614.699598536086
4.42
1.4146e-05
3.873e-08
d
yr
n .2229516873147067 1.9533e-09 deg/d
Q 2.783392204661834 1.6257e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1159  
   data-arc span      7699 days (21.08 yr)  
   first obs. used      1998-10-19  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5319  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:59:46  

Additional Information
 Earth MOID = 1.58877 au 
 Jupiter MOID = 2.23557 au 
 T_jup = 3.367 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456363.5 (2013-Mar-12.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03259331090936736 3.6091e-08  
q 2.60642652854135 9.8487e-08 au
tp 2456967.006190283337
(2014-Nov-05.50619028)
0.00036134 TDB
node 291.4097015495729 8.3038e-05 deg
peri 332.9626461799623 0.0001159 deg
i 3.393675449006797 4.2443e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1159  
   data-arc span      7699 days (21.08 yr)  
   first obs. used      1998-10-19  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5319  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:59:46  

Additional Information
 Jupiter MOID = 2.23557 au 
 T_jup = 3.367 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.30259151392904E-15 -3.511279808518545E-15 -6.417114264323045E-13 -2.431075027076782E-15 -1.492452964235229E-13 -4.64685203877672E-16
q -3.511279808518545E-15 9.699715041223749E-15 8.285789372628521E-13 8.282310283013218E-15 1.7660108387593E-13 1.446028729685407E-15
tp -6.417114264323045E-13 8.285789372628521E-13 1.305685584143159E-7 1.041982807124692E-10 2.924686004262889E-8 1.568669072418533E-13
node -2.431075027076782E-15 8.282310283013218E-15 1.041982807124692E-10 6.895332174495585E-9 -6.859306646618344E-9 5.590247665920547E-11
peri -1.492452964235229E-13 1.7660108387593E-13 2.924686004262889E-8 -6.859306646618344E-9 1.343381353449842E-8 -5.57805047615388E-11
i -4.64685203877672E-16 1.446028729685407E-15 1.568669072418533E-13 5.590247665920547E-11 -5.57805047615388E-11 1.801449804646287E-11

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 14.4   n/a MPO493185  
rotation period rot_per 5.12 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Chang, C.-K.; Ip, W.-H.; Cheng, Y.-C.; Ngeow, C.-C.; et al. (2014) Astrophys. J. 788, A17.]

47026 (1998 VS21)          Discovered 1998-Nov-10 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 VS21 = 2000 AL130 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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