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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1570309055967443 3.3716e-08  
a 2.547568903886453 1.3126e-08 AU
q 2.147521851839058 8.4282e-08 AU
i 6.16213818802751 6.8897e-06 deg
node 357.9301968260185 4.7738e-05 deg
peri 50.52531633910751 5.4986e-05 deg
M 42.72557953808901 2.7247e-05 deg
tp 2456824.232275887570
(2014-Jun-15.73227589)
0.00011197 JED
period 1485.208190655546
4.07
1.1478e-05
3.143e-08
d
yr
n .2423902603453204 1.8733e-09 deg/d
Q 2.947615955933848 1.5187e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1465  
   data-arc span      30934 days (84.69 yr)  
   first obs. used      1930-02-24  
   last obs. used      2014-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51639  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 12:45:18  

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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