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118397 (1999 RO45)
Classification: Main-belt Asteroid          SPK-ID: 2118397
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06140566814521933 4.7923e-08  
a 3.091885128428626 2.4721e-08 au
q 2.902025856289199 1.3933e-07 au
i 8.080449081811553 4.3504e-06 deg
node 241.6642261391157 3.5055e-05 deg
peri 298.5581979868968 5.2814e-05 deg
M 144.9710856087038 3.9514e-05 deg
tp 2458400.827165814350
(2018-Oct-09.32716581)
0.0002197 TDB
period 1985.790608507039
5.44
2.3816e-05
6.52e-08
d
yr
n .1812879960544561 2.1742e-09 deg/d
Q 3.281744400568052 2.6239e-08 au
  Orbit Determination Parameters
   # obs. used (total)      589  
   data-arc span      9480 days (25.95 yr)  
   first obs. used      1994-11-05  
   last obs. used      2020-10-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55607  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:57:05  

Additional Information
 Earth MOID = 1.91386 au 
 Jupiter MOID = 1.74925 au 
 T_jup = 3.206 
[ 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 15.01   n/a E2021B55  

118397 (1999 RO45)          Discovered 1999-Sep-08 by Pauwels, T. at Uccle
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1999 RO45 = 2000 XQ10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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