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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09271903947895341 2.7972e-08  
a 2.260576827760739 5.1392e-09 au
q 2.050978315622384 6.4015e-08 au
i 6.024130716296636 3.092e-06 deg
node 223.2043714553636 3.0866e-05 deg
peri 356.5901380772299 3.5663e-05 deg
M 284.8739727566386 1.8574e-05 deg
tp 2459459.568885495602
(2021-Sep-02.06888550)
6.4165e-05 TDB
period 1241.4445725487
3.40
4.2334e-06
1.159e-08
d
yr
n .2899847548255142 9.8888e-10 deg/d
Q 2.470175339899094 5.6157e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3069  
   data-arc span      31076 days (85.08 yr)  
   first obs. used      1936-02-14  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40943  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 12:21:54  

Additional Information
 Earth MOID = 1.04169 au 
 Jupiter MOID = 2.50209 au 
 T_jup = 3.607 
[ 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 13.02   n/a E2021B10  
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. 2020-October); 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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