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16712 (1995 SW29)
Classification: Main-belt Asteroid          SPK-ID: 2016712
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2043597844980842 1.6864e-08  
a 3.140494547721394 2.0284e-08 au
q 2.498703758731641 5.8578e-08 au
i 25.56253562529655 4.1744e-07 deg
node 317.7321475732693 2.4594e-06 deg
peri 111.0121300276697 6.2165e-06 deg
M 160.9121393100163 8.6013e-06 deg
tp 2458291.881028316708
(2018-Jun-22.38102832)
4.458e-05 TDB
period 2032.803933926842
5.57
1.9695e-05
5.392e-08
d
yr
n .1770952889217283 1.7158e-09 deg/d
Q 3.782285336711146 2.4429e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1438  
   data-arc span      14769 days (40.44 yr)  
   first obs. used      1980-01-22  
   last obs. used      2020-06-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46267  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:39:44  

Additional Information
 Earth MOID = 1.62639 au 
 Jupiter MOID = 1.73583 au 
 T_jup = 3.029 
[ 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 12.74   n/a E2021B10  
diameter diameter 16.853 km 0.445 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 17.1699 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.047   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16712 (1995 SW29)          Discovered 1995-Sep-30 by Hergenrother, C. W. at Catalina Station
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1995 SW29 = 1980 BM5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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