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91188 (1998 RP77)
Classification: Main-belt Asteroid          SPK-ID: 2091188
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1883433964259123 5.088e-08  
a 3.18515355914158 2.1492e-08 au
q 2.585250919674772 1.6899e-07 au
i 8.202646557367435 5.9134e-06 deg
node 30.02958895613051 2.8134e-05 deg
peri 304.3211000886624 3.0807e-05 deg
M 319.9473273263089 1.2432e-05 deg
tp 2459231.505856252650
(2021-Jan-17.00585625)
7.2214e-05 TDB
period 2076.318575004349
5.68
2.1015e-05
5.754e-08
d
yr
n .173383797811107 1.7549e-09 deg/d
Q 3.785056198608388 2.554e-08 au
  Orbit Determination Parameters
   # obs. used (total)      695  
   data-arc span      8852 days (24.24 yr)  
   first obs. used      1996-03-23  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55384  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:38:06  

Additional Information
 Earth MOID = 1.58708 au 
 Jupiter MOID = 1.67701 au 
 T_jup = 3.155 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5   n/a MPO348072  

91188 (1998 RP77)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1998 RP77 = 2002 GA59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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