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1663 van den Bos (1926 PE)
Classification: Main-belt Asteroid          SPK-ID: 2001663
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .179620407730066 1.0788e-08  
a 2.239477766065528 4.1432e-09 au
q 1.837221856622421 2.4869e-08 au
i 5.360889118400585 5.7561e-07 deg
node 83.19166342190144 8.4499e-06 deg
peri 275.0306932580892 9.8507e-06 deg
M 26.22300127844533 5.3128e-06 deg
tp 2459111.334170359538
(2020-Sep-18.83417036)
1.8044e-05 TDB
period 1224.104683126086
3.35
3.397e-06
9.3e-09
d
yr
n .2940924946718133 8.1614e-10 deg/d
Q 2.641733675508636 4.8874e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3302  
   data-arc span      33983 days (93.04 yr)  
   first obs. used      1928-02-24  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38601  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 12:46:22  

Additional Information
 Earth MOID = .841335 au 
 Jupiter MOID = 2.81649 au 
 T_jup = 3.609 
[ 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 11.95   n/a E2021B10  
diameter diameter 13.537 km 0.339 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 740. h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Stephens, R.D.; Higgins, D. (2011) Minor Planet Bull. 38, 72.]
[Stephens, R.D. (2011) Minor Planet Bull. 38, 165-166.]
[Durech, J.; Hanus, J.; Broz, M.; Lehky, M.; et al. (2017) Icarus 304, 101-109.]
geometric albedo albedo 0.255   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1663 van den Bos (1926 PE)          Discovered 1926-Aug-04 by Wood, H. E. at Johannesburg (UO)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1926 PE = 1928 DD = 1936 OM = 1948 BE = 1948 EG1 = 1949 KE = 1950 XD = 1963 SC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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