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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1583438339915837 3.2997e-08  
a 2.546344554849037 1.1522e-08 au
q 2.143146595370648 8.1758e-08 au
i 6.164698688254765 6.0338e-06 deg
node 357.9123609070494 4.3746e-05 deg
peri 50.43307042024767 4.9443e-05 deg
M 188.2069880473327 2.3585e-05 deg
tp 2458308.734655464184
(2018-Jul-09.23465546)
9.9096e-05 JED
period 1484.137643720656
4.06
1.0074e-05
2.758e-08
d
yr
n .2425651027201888 1.6464e-09 deg/d
Q 2.949542514327427 1.3347e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1848  
   data-arc span      31464 days (86.14 yr)  
   first obs. used      1930-02-24  
   last obs. used      2016-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48549  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:32:10  

Additional Information
 Earth MOID = 1.15724 au 
 Jupiter MOID = 2.46583 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 11.5 mag n/a MPO337253  
rotation period rot_per 13.197 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Published Reference List:
[Moravec, P.; Letfullina, A.; Ditteon, R. (2013) Minor Planet Bul. 40, 17-20.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]

1121 Natascha (1928 RZ)          Discovered 1928-Sep-11 by Shajn, P. at Simeis
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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