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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03551330428425822 1.4613e-08  
a 2.177972869079991 5.4884e-09 au
q 2.100625855857494 3.3136e-08 au
i 6.18483016605717 2.1088e-07 deg
node 60.63150673828732 5.926e-06 deg
peri 79.85851569686893 2.5934e-05 deg
M 86.09559510186079 2.6514e-05 deg
tp 2458919.726861517381
(2020-Mar-11.22686152)
8.6378e-05 TDB
period 1174.02440547807
3.21
4.4377e-06
1.215e-08
d
yr
n .3066375778222479 1.1591e-09 deg/d
Q 2.255319882302487 5.6833e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2438  
   data-arc span      8618 days (23.59 yr)  
   first obs. used      1996-11-07  
   last obs. used      2020-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45442  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-17 02:56:26  

Additional Information
 Earth MOID = 1.12364 au 
 Jupiter MOID = 2.73261 au 
 T_jup = 3.675 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.59   n/a E2021B10  
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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