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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1568094990381429 4.3522e-08  
a 2.546804130990989 1.252e-08 AU
q 2.147441051062019 1.1006e-07 AU
i 6.162174149217666 8.3264e-06 deg
node 357.9371398368954 5.6493e-05 deg
peri 50.46119695868351 6.5456e-05 deg
M 354.2883430253083 3.3322e-05 deg
tp 2456824.053278192649
(2014-Jun-15.55327819)
0.00013747 JED
period 1484.539457976029
4.06
1.0947e-05
2.997e-08
d
yr
n .2424994486106902 1.7882e-09 deg/d
Q 2.946167210919958 1.4483e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1391  
   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      .55959  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Dec-19 20:42:07  

Additional Information
 Earth MOID = 1.16185 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. 2013-Sep-12) 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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