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91508 (1999 RZ160)
Classification: Main-belt Asteroid          SPK-ID: 2091508
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09746132072966177 3.9344e-08  
a 2.870263775100573 1.8075e-08 au
q 2.590524076736766 1.1195e-07 au
i 2.338017856815121 3.935e-06 deg
node 163.3679256171185 0.00011888 deg
peri 201.14262982888 0.00012116 deg
M 89.95747598283435 2.4156e-05 deg
tp 2458556.670768346629
(2019-Mar-14.17076835)
0.00011853 TDB
period 1776.156140993802
4.86
1.6777e-05
4.593e-08
d
yr
n .2026848832099701 1.9145e-09 deg/d
Q 3.150003473464379 1.9836e-08 au
  Orbit Determination Parameters
   # obs. used (total)      616  
   data-arc span      7468 days (20.45 yr)  
   first obs. used      1999-09-04  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5483  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:39:38  

Additional Information
 Earth MOID = 1.58843 au 
 Jupiter MOID = 2.29831 au 
 T_jup = 3.290 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO449562  

91508 (1999 RZ160)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 RZ160 = 2000 YQ43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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