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91182 (1998 RO49)
Classification: Outer Main-belt Asteroid          SPK-ID: 2091182
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2454349751817798 3.9853e-08  
a 3.281996416583818 1.7478e-08 au
q 2.476479707532878 1.3233e-07 au
i 1.473516576168628 3.6919e-06 deg
node 110.6254948893319 0.00019482 deg
peri 301.2731854136799 0.000195 deg
M 205.7774406645783 8.9708e-06 deg
tp 2459930.859905507467
(2022-Dec-17.35990551)
5.8205e-05 TDB
period 2171.728749840308
5.95
1.7348e-05
4.75e-08
d
yr
n .1657665581055975 1.3241e-09 deg/d
Q 4.087513125634758 2.1767e-08 au
  Orbit Determination Parameters
   # obs. used (total)      774  
   data-arc span      9272 days (25.39 yr)  
   first obs. used      1994-01-07  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59548  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:25:09  

Additional Information
 Earth MOID = 1.48787 au 
 Jupiter MOID = 1.29932 au 
 T_jup = 3.125 
[ 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 14.9   n/a MPO436409  
diameter diameter 4.984 km 0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.078   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91182 (1998 RO49)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1998 RO49 = 1994 AF7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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