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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06014493153453401 4.7943e-08  
a 3.095273889883674 2.4824e-08 au
q 2.90910885369599 1.3932e-07 au
i 8.086005798257707 4.3848e-06 deg
node 241.7713668055684 3.55e-05 deg
peri 298.9216769395128 5.4374e-05 deg
M 108.3503062654382 4.1373e-05 deg
tp 2458401.847644408989
(2018-Oct-10.34764441)
0.00023001 TDB
period 1989.05619597228
5.45
2.3928e-05
6.551e-08
d
yr
n .1809903615237109 2.1773e-09 deg/d
Q 3.281438926071358 2.6317e-08 au
  Orbit Determination Parameters
   # obs. used (total)      581  
   data-arc span      9480 days (25.95 yr)  
   first obs. used      1994-11-05  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55893  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:11:50  

Additional Information
 Earth MOID = 1.92125 au 
 Jupiter MOID = 1.74995 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 15.0   n/a MPO436568  

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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