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21298 (1996 VX29)
Classification: Main-belt Asteroid          SPK-ID: 2021298
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03531680003794466 1.435e-08  
a 2.178511612445464 5.2616e-09 au
q 2.101573553448387 3.2255e-08 au
i 6.183996063819031 2.1045e-07 deg
node 60.62697556830182 5.9163e-06 deg
peri 80.16600769119833 2.5896e-05 deg
M 145.8913215846875 2.6552e-05 deg
tp 2458920.545756282809
(2020-Mar-12.04575628)
8.6425e-05 TDB
period 1174.460042427724
3.22
4.2549e-06
1.165e-08
d
yr
n .3065238381851159 1.1105e-09 deg/d
Q 2.255449671442541 5.4474e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2569  
   data-arc span      9041 days (24.75 yr)  
   first obs. used      1996-11-07  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44906  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 22:41:39  

Additional Information
 Earth MOID = 1.12538 au 
 Jupiter MOID = 2.73123 au 
 T_jup = 3.674 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457110.5 (2015-Mar-29.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03531740980388721 1.4432e-08  
q 2.101509862504801 3.2492e-08 au
tp 2456572.923454318238
(2013-Oct-07.42345432)
8.568e-05 TDB
node 60.65498598152364 5.9176e-06 deg
peri 80.44760999617955 2.5807e-05 deg
i 6.183670985401522 2.1057e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2569  
   data-arc span      9041 days (24.75 yr)  
   first obs. used      1996-11-07  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44906  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 22:41:39  

Additional Information
 Jupiter MOID = 2.73123 au 
 T_jup = 3.674 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.082907209027721E-16 -4.631357573972446E-16 5.110104517714738E-13 2.001991829580843E-14 1.385400970322408E-13 4.316074685952115E-16
q -4.631357573972446E-16 1.055723817235871E-15 -1.111936810923364E-12 -4.344335168064407E-14 -2.984252629568548E-13 -9.21487380114444E-16
tp 5.110104517714738E-13 -1.111936810923364E-12 7.341132447079887E-9 2.637190245760875E-11 2.151533922846943E-9 4.288363313538496E-12
node 2.001991829580843E-14 -4.344335168064407E-14 2.637190245760875E-11 3.501749863327445E-11 -2.679172324300528E-11 -9.665536124446383E-13
peri 1.385400970322408E-13 -2.984252629568548E-13 2.151533922846943E-9 -2.679172324300528E-11 6.659765293404913E-10 2.266404378639875E-12
i 4.316074685952115E-16 -9.21487380114444E-16 4.288363313538496E-12 -9.665536124446383E-13 2.266404378639875E-12 4.434030083235572E-14

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.60   n/a MPO636384  
diameter diameter 3.234 km 0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 14.5403 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 0.322   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21298 (1996 VX29)          Discovered 1996-Nov-07 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1996 VX29 = 1998 HS84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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