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181570 (2006 VZ21)
Classification: Main-belt Asteroid          SPK-ID: 2181570
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1171667963784224 4.1596e-08  
a 2.171104858844846 8.4728e-09 au
q 1.916723457932369 9.1232e-08 au
i 2.607845863956197 4.2711e-06 deg
node 289.1589045741779 0.00010782 deg
peri 310.7033745017883 0.00010975 deg
M 303.0620159130701 1.9842e-05 deg
tp 2459385.307338132842
(2021-Jun-19.80733813)
6.4231e-05 TDB
period 1168.475540444981
3.20
6.84e-06
1.873e-08
d
yr
n .3080937405526726 1.8035e-09 deg/d
Q 2.425486259757324 9.4655e-09 au
  Orbit Determination Parameters
   # obs. used (total)      310  
   data-arc span      9579 days (26.23 yr)  
   first obs. used      1995-02-08  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51909  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:09:39  

Additional Information
 Earth MOID = .903957 au 
 Jupiter MOID = 2.58051 au 
 T_jup = 3.678 
[ 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 17.4   n/a MPO502985  
rotation period rot_per 10.43 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

181570 (2006 VZ21)          Discovered 2006-Nov-10 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2006 VZ21 = 2003 WE175 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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