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5452 (1937 NN)
Classification: Main-belt Asteroid          SPK-ID: 2005452
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2227716304567646 5.1612e-08  
a 2.221442687196877 1.2191e-08 AU
q 1.726568277803772 1.1442e-07 AU
i 6.158555980842894 5.6353e-06 deg
node 299.8154100106267 5.2684e-05 deg
peri 312.754357538955 5.4317e-05 deg
M 157.1846520509592 1.5321e-05 deg
tp 2456472.469834645333
(2013-Jun-28.96983465)
4.9781e-05 JED
period 1209.347458847653
3.31
9.955e-06
2.726e-08
d
yr
n .2976811977122208 2.4504e-09 deg/d
Q 2.716317096589982 1.4907e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1242  
   data-arc span      21548 days (59.00 yr)  
   first obs. used      1956-01-14  
   last obs. used      2015-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50724  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:13:22  

Additional Information
 Earth MOID = .720606 AU 
 T_jup = 3.609 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.8 mag n/a MPO265986  
rotation period rot_per 3.2562 h n/a LCDB (Rev. 2015-Feb); Warner et al., 2009 Published Reference List:
[Higgins, D. (2011) Minor Planet Bul. 38, 41-46.]

5452 (1937 NN)          Discovered 1937-Jul-05 by Jackson, C. at Johannesburg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1937 NN = 1956 AR = 1973 GK1 = 1983 FD = 1987 SN = 1990 MD2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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