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48334 (2002 OX18)
Classification: Main-belt Asteroid          SPK-ID: 2048334
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1976720797942571 4.4088e-08  
a 2.315367250237588 7.2291e-09 au
q 1.857683790395614 1.0044e-07 au
i 3.994772349607322 2.9921e-06 deg
node 126.0777807384357 6.8025e-05 deg
peri 209.9784179629223 6.9033e-05 deg
M 55.18101903835647 1.3002e-05 deg
tp 2459003.250699532925
(2020-Jun-02.75069953)		 4.6313e-05 TDB
period 1286.850975310696
3.52		 6.0268e-06
1.65e-08		 d
yr
n .2797526729255359 1.3102e-09 deg/d
Q 2.773050710079562 8.6581e-09 au
   Orbit Determination Parameters
   # obs. used (total)      941  
   data-arc span      14381 days (39.37 yr)  
   first obs. used      1981-09-01  
   last obs. used      2021-01-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52533  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:07:58  

Additional Information
 Earth MOID = .847283 au 
 Jupiter MOID = 2.60242 au 
 T_jup = 3.552 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457649.5 (2016-Sep-18.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1979984432859244 4.4122e-08  
q 1.856985452013314 1.0062e-07 au
tp 2457717.239689936292
(2016-Nov-24.73968994)		 4.567e-05 TDB
node 126.1017303528997 6.8072e-05 deg
peri 210.2080080711287 6.9076e-05 deg
i 3.993569708093573 2.991e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      941  
   data-arc span      14381 days (39.37 yr)  
   first obs. used      1981-09-01  
   last obs. used      2021-01-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52533  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:07:58  

Additional Information
 Jupiter MOID = 2.60242 au 
 T_jup = 3.552 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.946743767769305E-15 -4.432890207729285E-15 1.309004087078126E-12 -2.149735518156287E-14 3.226080980451321E-13 -2.717172183290653E-15
q -4.432890207729285E-15 1.012484075172029E-14 -3.026174829866059E-12 4.988010922391019E-14 -7.479139896492281E-13 6.262783778247129E-15
tp 1.309004087078126E-12 -3.026174829866059E-12 2.085710902474193E-9 -2.253745729517145E-11 5.643417387276353E-10 -3.702569735140168E-12
node -2.149735518156287E-14 4.988010922391019E-14 -2.253745729517145E-11 4.633847895159734E-9 -4.628361862730555E-9 3.877421547776476E-11
peri 3.226080980451321E-13 -7.479139896492281E-13 5.643417387276353E-10 -4.628361862730555E-9 4.771562460237679E-9 -3.962494482671291E-11
i -2.717172183290653E-15 6.262783778247129E-15 -3.702569735140168E-12 3.877421547776476E-11 -3.962494482671291E-11 8.946153325062338E-12

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.07   n/a E2021B10  

48334 (2002 OX18)          Discovered 2002-Jul-19 by NEAT at Palomar
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 OX18 = 1981 RQ6 = 1998 HJ91 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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