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JPL Small-Body Database Browser
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91464 (1999 RZ77)
Classification: Main-belt Asteroid          SPK-ID: 2091464
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05356155601455756 5.1131e-08  
a 2.911791409772909 2.4176e-08 au
q 2.75583133107565 1.4713e-07 au
i 7.561703711350894 7.0749e-06 deg
node 13.24763733311777 3.8872e-05 deg
peri 276.1267938583275 7.5142e-05 deg
M 107.086902260242 6.417e-05 deg
tp 2458460.650538420308
(2018-Dec-08.15053842)
0.00032335 TDB
period 1814.841984096161
4.97
2.2602e-05
6.188e-08
d
yr
n .1983643772597037 2.4704e-09 deg/d
Q 3.067751488470168 2.5471e-08 au
  Orbit Determination Parameters
   # obs. used (total)      487  
   data-arc span      7351 days (20.13 yr)  
   first obs. used      1999-09-07  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54891  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:55:47  

Additional Information
 Earth MOID = 1.75332 au 
 Jupiter MOID = 2.04236 au 
 T_jup = 3.268 
[ 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 15.0   n/a MPO449562  

91464 (1999 RZ77)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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