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1742 Schaifers (1934 RO)
Classification: Main-belt Asteroid          SPK-ID: 2001742
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 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09685209540442623 3.476e-08  
a 2.887876873391003 9.8621e-09 au
q 2.608179946933102 1.0059e-07 au
i 2.498699640471067 3.5938e-06 deg
node 152.1836578106846 7.6335e-05 deg
peri 213.8671044776108 7.8264e-05 deg
M 197.0850347033938 1.8641e-05 deg
tp 2460011.694347188578
(2023-Mar-08.19434719)
9.436e-05 TDB
period 1792.530013778737
4.91
9.1822e-06
2.514e-08
d
yr
n .2008334573104877 1.0288e-09 deg/d
Q 3.167573799848905 1.0817e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3471  
   data-arc span      31546 days (86.37 yr)  
   first obs. used      1934-09-07  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40541  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:57:49  

Additional Information
 Earth MOID = 1.6052 au 
 Jupiter MOID = 2.28479 au 
 T_jup = 3.283 
[ 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 11.33   n/a E2021B10  
diameter diameter 16.707 km 0.139 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 8.56 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Binzel, R.P. (1987) Icarus 72, 135-208.]
[Slivan, S.M.; Binzel, R.P.; Boroumand, S.C.; Pan M.W.; et al. (2008) Icarus 195, 226-276.]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.113   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1742 Schaifers (1934 RO)          Discovered 1934-Sep-07 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1934 RO = 1929 RL1 = 1952 HG = 1954 UG2 = 1954 WV = 1963 QB = 1964 VX 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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