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11845 (1987 RZ)
Classification: Main-belt Asteroid          SPK-ID: 2011845
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2101200919154005 6.6387e-08  
a 3.196279776240398 3.4104e-08 au
q 2.52467717586943 2.2287e-07 au
i 2.030841193089268 6.4477e-06 deg
node 125.5248315530462 0.00016936 deg
peri 225.1118732835726 0.00016995 deg
M 10.19952314170704 1.7375e-05 deg
tp 2457541.365221541176
(2016-Jun-01.86522154)
0.00010016 JED
period 2087.207406601722
5.71
3.3405e-05
9.146e-08
d
yr
n .1724792652907133 2.7605e-09 deg/d
Q 3.867882376611366 4.127e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1055  
   data-arc span      12398 days (33.94 yr)  
   first obs. used      1981-07-02  
   last obs. used      2015-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56536  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:08:03  

Additional Information
 Earth MOID = 1.51837 au 
 Jupiter MOID = 1.55668 au 
 T_jup = 3.159 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.1 mag n/a MPO259428  

11845 (1987 RZ)          Discovered 1987-Sep-12 by Debehogne, H. at La Silla
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1987 RZ = 1981 NJ1 = 1982 UK10 = 1991 FF3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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