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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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1606687637202451 3.962e-08  
a 2.781800100126963 1.1115e-08 au
q 2.33485171712271 1.0767e-07 au
i 5.81862029078504 3.6558e-06 deg
node 57.76224656150651 3.9951e-05 deg
peri 269.9850085330285 4.1945e-05 deg
M 176.6083932982697 1.538e-05 deg
tp 2458169.126565084116
(2018-Feb-19.62656508)
7.0388e-05 TDB
period 1694.678440702686
4.64
1.0157e-05
2.781e-08
d
yr
n .2124296806718853 1.2732e-09 deg/d
Q 3.228748483131216 1.2901e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2754  
   data-arc span      31514 days (86.28 yr)  
   first obs. used      1934-08-04  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41157  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 19:38:18  

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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