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1327 Namaqua (1934 RT)
Classification: Main-belt Asteroid          SPK-ID: 2001327
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1606687653096453 3.97e-08  
a 2.781800100724861 1.1189e-08 au
q 2.334851713203151 1.0795e-07 au
i 5.81862067917591 3.7993e-06 deg
node 57.76224586131708 4.0109e-05 deg
peri 269.9850086284088 4.2181e-05 deg
M 176.6083935445915 1.5507e-05 deg
tp 2458169.126563656538
(2018-Feb-19.62656366)
7.1081e-05 TDB
period 1694.678441249047
4.64
1.0225e-05
2.799e-08
d
yr
n .2124296806033984 1.2817e-09 deg/d
Q 3.228748488246571 1.2987e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2514  
   data-arc span      31231 days (85.51 yr)  
   first obs. used      1934-08-04  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42084  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:52:05  

Additional Information
 Earth MOID = 1.33257 au 
 Jupiter MOID = 2.13579 au 
 T_jup = 3.306 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.1   n/a MPO358639  
diameter diameter 22.318 km 0.284 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.027   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

1327 Namaqua (1934 RT)          Discovered 1934-Sep-07 by Jackson, C. at Johannesburg (UO)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1934 RT = 1939 UU 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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