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1121 Natascha (1928 RZ)
Classification: Main-belt Asteroid          SPK-ID: 2001121
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1570309045352784 3.3772e-08  
a 2.547568905010859 1.328e-08 AU
q 2.147521855491055 8.4542e-08 AU
i 6.162137916703019 6.975e-06 deg
node 357.930197774165 4.788e-05 deg
peri 50.52531721574279 5.5224e-05 deg
M 42.72557710598758 2.7582e-05 deg
tp 2456824.232285804697
(2014-Jun-15.73228580)
0.00011332 JED
period 1485.208191638823
4.07
1.1613e-05
3.179e-08
d
yr
n .2423902601848468 1.8953e-09 deg/d
Q 2.947615954530663 1.5366e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1440  
   data-arc span      30599 days (83.78 yr)  
   first obs. used      1930-02-24  
   last obs. used      2013-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52039  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 11:57:57  

Additional Information
 Earth MOID = 1.16282 AU 
 T_jup = 3.417 
[ 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 11.4 mag n/a MPO265962  
rotation period rot_per 13.197 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Moravec, P.; Letfullina, A.; Ditteon, R. (2013) Minor Planet Bul. 40, 17-20.]

1121 Natascha (1928 RZ)          Discovered 1928-Sep-11 by Shajn, P. at Simeis (094)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1928 RZ = A918 EK 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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