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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1976720817613016 4.4125e-08  
a 2.315367249567412 7.2292e-09 au
q 1.857683785303483 1.0053e-07 au
i 3.994772354285144 2.9928e-06 deg
node 126.0777809065609 6.8116e-05 deg
peri 209.9784186224988 6.9125e-05 deg
M 55.18101831179215 1.3015e-05 deg
tp 2459003.250702215731
(2020-Jun-02.75070222)
4.6361e-05 TDB
period 1286.850974751984
3.52
6.0268e-06
1.65e-08
d
yr
n .2797526730469962 1.3102e-09 deg/d
Q 2.773050713831342 8.6582e-09 au
  Orbit Determination Parameters
   # obs. used (total)      937  
   data-arc span      14381 days (39.37 yr)  
   first obs. used      1981-09-01  
   last obs. used      2021-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52634  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 04:55:45  

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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1979984453088956 4.416e-08  
q 1.856985446416153 1.0071e-07 au
tp 2457717.239694162126
(2016-Nov-24.73969416)
4.5716e-05 TDB
node 126.1017302318488 6.8163e-05 deg
peri 210.2080091467583 6.9169e-05 deg
i 3.99356969568113 2.9917e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      937  
   data-arc span      14381 days (39.37 yr)  
   first obs. used      1981-09-01  
   last obs. used      2021-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52634  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 04:55:45  

Additional Information
 Jupiter MOID = 2.60242 au 
 T_jup = 3.552 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.950061800774542E-15 -4.440539731772071E-15 1.312767431814715E-12 -2.168852180798331E-14 3.238742338031169E-13 -2.726707198809968E-15
q -4.440539731772071E-15 1.014247644933847E-14 -3.034851118778013E-12 5.031867530905421E-14 -7.508307817323824E-13 6.284726483030877E-15
tp 1.312767431814715E-12 -3.034851118778013E-12 2.089979830721393E-9 -2.269917795375603E-11 5.65722748575235E-10 -3.712367443791755E-12
node -2.168852180798331E-14 5.031867530905421E-14 -2.269917795375603E-11 4.646236483232154E-9 -4.640763002150685E-9 3.900316337976984E-11
peri 3.238742338031169E-13 -7.508307817323824E-13 5.65722748575235E-10 -4.640763002150685E-9 4.784324539044957E-9 -3.985607027007951E-11
i -2.726707198809968E-15 6.284726483030877E-15 -3.712367443791755E-12 3.900316337976984E-11 -3.985607027007951E-11 8.950394997115005E-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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