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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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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09660911359343272 3.4887e-08  
a 2.888513642487816 9.8989e-09 au
q 2.60945689988453 1.0093e-07 au
i 2.498472253627426 3.6091e-06 deg
node 152.1810707365217 7.6548e-05 deg
peri 213.8739635125287 7.8494e-05 deg
M 156.9215470323549 1.8639e-05 deg
tp 2458218.889937786708
(2018-Apr-10.38993779)
9.1568e-05 TDB
period 1793.122918542021
4.91
9.2175e-06
2.524e-08
d
yr
n .2007670507567401 1.032e-09 deg/d
Q 3.167570385091101 1.0855e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3362  
   data-arc span      31330 days (85.78 yr)  
   first obs. used      1934-09-07  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40923  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:36:08  

Additional Information
 Earth MOID = 1.60806 au 
 Jupiter MOID = 2.28411 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 11.3   n/a MPO384764  
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. 2019-August); 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.]
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

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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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