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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456783.5 (2014-May-06.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1616375487455731 3.9764e-08  
q 2.330628315826287 1.0822e-07 au
tp 2456466.801573819260
(2013-Jun-23.30157382)		 6.6114e-05 TDB
node 58.03233943523124 4.0009e-05 deg
peri 268.3759805705636 4.1946e-05 deg
i 5.816692819505898 3.6525e-06 deg
   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
 Jupiter MOID = 2.13579 au 
 T_jup = 3.306 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.581177936271344E-15 -4.288894146978359E-15 8.01286350980253E-13 -5.135859462273072E-15 1.340124452843314E-13 9.145664759814026E-16
q -4.288894146978359E-15 1.171175723105297E-14 -2.053601156091688E-12 1.296972773446004E-14 -3.380296110722141E-13 -2.259798334913017E-15
tp 8.01286350980253E-13 -2.053601156091688E-12 4.371023640382748E-9 -1.090570471371241E-11 8.572778613974687E-10 5.799032780917679E-13
node -5.135859462273072E-15 1.296972773446004E-14 -1.090570471371241E-11 1.600727097809169E-9 -1.59408663104437E-9 -8.874205958928498E-12
peri 1.340124452843314E-13 -3.380296110722141E-13 8.572778613974687E-10 -1.59408663104437E-9 1.7594928171168E-9 8.894196597458352E-12
i 9.145664759814026E-16 -2.259798334913017E-15 5.799032780917679E-13 -8.874205958928498E-12 8.894196597458352E-12 1.334096563831054E-11

[ 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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