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JPL Small-Body Database Browser
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1377 Roberbauxa (1936 CD)
Classification: Main-belt Asteroid          SPK-ID: 2001377
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09312290539285639 3.4465e-08  
a 2.259912288451627 5.9058e-09 au
q 2.049462690217992 7.7111e-08 au
i 6.025323679612299 3.6061e-06 deg
node 223.2110459954303 3.3036e-05 deg
peri 356.5767306385238 3.8298e-05 deg
M 110.8671625167488 2.0485e-05 deg
tp 2458218.347914357321
(2018-Apr-09.84791436)
7.0307e-05 TDB
period 1240.897193617458
3.40
4.8642e-06
1.332e-08
d
yr
n .2901126715828324 1.1372e-09 deg/d
Q 2.470361886685261 6.4558e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2514  
   data-arc span      30610 days (83.81 yr)  
   first obs. used      1936-02-14  
   last obs. used      2019-12-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43198  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 20:59:04  

Additional Information
 Earth MOID = 1.04142 au 
 Jupiter MOID = 2.50386 au 
 T_jup = 3.608 
[ 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 12.9   n/a MPO344307  
diameter diameter 6.217 km 0.153 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.3627 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Ditteon, R.; West, J. (2011) Minor Planet Bull. 38, 214-217.]
geometric albedo albedo 0.263   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

1377 Roberbauxa (1936 CD)          Discovered 1936-Feb-14 by Boyer, L. at Algiers
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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