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118285 (1998 RF65)
Classification: Main-belt Asteroid          SPK-ID: 2118285
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1161799642952381 3.622e-08  
a 2.261312921971134 8.3003e-09 au
q 1.998593667436167 8.0268e-08 au
i 5.216846715578407 4.344e-06 deg
node 189.0120435776822 3.9755e-05 deg
peri 213.8983738763835 4.4335e-05 deg
M 160.7556619888234 1.8801e-05 deg
tp 2458645.870199140228
(2019-Jun-11.37019914)
6.4496e-05 TDB
period 1242.050984950066
3.40
6.8385e-06
1.872e-08
d
yr
n .2898431742030888 1.5958e-09 deg/d
Q 2.524032176506101 9.2646e-09 au
  Orbit Determination Parameters
   # obs. used (total)      660  
   data-arc span      8186 days (22.41 yr)  
   first obs. used      1998-09-14  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55652  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:56:32  

Additional Information
 Earth MOID = 1.00801 au 
 Jupiter MOID = 2.83914 au 
 T_jup = 3.605 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457300.5 (2015-Oct-05.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .115547718024397 3.6282e-08  
q 2.000569953514792 8.0403e-08 au
tp 2457401.558919118808
(2016-Jan-14.05891912)
6.4673e-05 TDB
node 189.0357295002763 3.9738e-05 deg
peri 213.4536388114228 4.4378e-05 deg
i 5.21638231209777 4.3457e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      660  
   data-arc span      8186 days (22.41 yr)  
   first obs. used      1998-09-14  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55652  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:56:32  

Additional Information
 Jupiter MOID = 2.83914 au 
 T_jup = 3.605 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.316405922738448E-15 -2.905884145303649E-15 -6.93937532349955E-13 -6.7584268373914E-16 -2.29671675468701E-13 -9.283689350085004E-17
q -2.905884145303649E-15 6.464590281900255E-15 1.571219938497449E-12 1.463780187510747E-15 5.167046054198709E-13 1.552440140629735E-16
tp -6.93937532349955E-13 1.571219938497449E-12 4.182655711391739E-9 -1.000522650569317E-11 1.287303877978245E-9 -3.399731433841099E-12
node -6.7584268373914E-16 1.463780187510747E-15 -1.000522650569317E-11 1.579135972628194E-9 -1.57499007081769E-9 -1.770037761168056E-11
peri -2.29671675468701E-13 5.167046054198709E-13 1.287303877978245E-9 -1.57499007081769E-9 1.969409303196104E-9 1.665484157748252E-11
i -9.283689350085004E-17 1.552440140629735E-16 -3.399731433841099E-12 -1.770037761168056E-11 1.665484157748252E-11 1.888483926777618E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.49   n/a MPCxxxxx  

118285 (1998 RF65)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 1998 RF65 = 2000 GY182 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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