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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1872407865711696 4.7061e-08  
a 3.181651563201732 2.0997e-08 au
q 2.585916621912449 1.5808e-07 au
i 8.20488077220296 5.1547e-06 deg
node 29.94417542058221 2.7059e-05 deg
peri 304.2181829938122 2.9518e-05 deg
M 28.77472281917517 1.1122e-05 deg
tp 2459230.813928947390
(2021-Jan-16.31392895)
6.3733e-05 TDB
period 2072.895226611579
5.68
2.0519e-05
5.618e-08
d
yr
n .1736701379685589 1.7191e-09 deg/d
Q 3.777386504491016 2.4928e-08 au
  Orbit Determination Parameters
   # obs. used (total)      736  
   data-arc span      8966 days (24.55 yr)  
   first obs. used      1996-03-23  
   last obs. used      2020-10-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54746  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:44:11  

Additional Information
 Earth MOID = 1.58697 au 
 Jupiter MOID = 1.68427 au 
 T_jup = 3.156 
[ 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 14.51   n/a E2021B10  

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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