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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2100596977418899 7.0274e-08  
a 3.194909150816564 3.5384e-08 AU
q 2.523787500283239 2.3216e-07 AU
i 2.030845025631405 6.6895e-06 deg
node 125.5256956566501 0.00017661 deg
peri 225.2383071254055 0.00017718 deg
M 266.5765670985918 1.6992e-05 deg
tp 2457541.801857793353
(2016-Jun-02.30185779)
0.0001039 JED
period 2085.86499932256
5.71
3.4652e-05
9.487e-08
d
yr
n .1725902683620078 2.8672e-09 deg/d
Q 3.866030801349889 4.2817e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1038  
   data-arc span      12049 days (32.99 yr)  
   first obs. used      1981-07-02  
   last obs. used      2014-06-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56933  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:27:06  

Additional Information
 Earth MOID = 1.51877 AU 
 T_jup = 3.160 
[ 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 (809)
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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