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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2101514220402714 7.0262e-08  
a 3.194263598907408 3.5385e-08 AU
q 2.522984561225541 2.3205e-07 AU
i 2.030834475401873 6.6895e-06 deg
node 125.5277897455163 0.00017663 deg
peri 225.2896198883584 0.00017721 deg
M 231.9959329134383 1.6665e-05 deg
tp 2457541.939677887414
(2016-Jun-02.43967789)
0.00010386 JED
period 2085.232837632946
5.71
3.4649e-05
9.486e-08
d
yr
n .1726425910348958 2.8687e-09 deg/d
Q 3.865542636589274 4.2821e-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 = 1.51635 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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