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48916 (1998 OR6)
Classification: Main-belt Asteroid          SPK-ID: 2048916
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1160959100033708 3.1626e-08  
a 2.422511986169069 9.173e-09 au
q 2.141268252640697 8.0151e-08 au
i 7.119913767785798 4.8765e-06 deg
node 183.5951513177832 2.6462e-05 deg
peri 104.8779202496259 3.5377e-05 deg
M 308.1430203640899 2.2238e-05 deg
tp 2459198.881900269825
(2020-Dec-15.38190027)
8.4975e-05 TDB
period 1377.200997793587
3.77
7.8223e-06
2.142e-08
d
yr
n .2613997525246901 1.4847e-09 deg/d
Q 2.70375571969744 1.0238e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1044  
   data-arc span      7999 days (21.90 yr)  
   first obs. used      1998-07-26  
   last obs. used      2020-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5364  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 21:50:23  

Additional Information
 Earth MOID = 1.1387 au 
 Jupiter MOID = 2.45633 au 
 T_jup = 3.493 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457112.5 (2015-Mar-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1164345676444747 3.164e-08  
q 2.140753066995568 8.0141e-08 au
tp 2456441.465683853623
(2013-May-28.96568385)
8.6886e-05 TDB
node 183.6423372295507 2.6496e-05 deg
peri 104.326637415105 3.5311e-05 deg
i 7.114080037906303 4.8734e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1044  
   data-arc span      7999 days (21.90 yr)  
   first obs. used      1998-07-26  
   last obs. used      2020-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5364  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 21:50:23  

Additional Information
 Jupiter MOID = 2.45633 au 
 T_jup = 3.493 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.001094816647866E-15 -2.524686092898821E-15 2.8123679691861E-13 1.821154554111343E-15 9.790579328322192E-14 -1.376758206869221E-16
q -2.524686092898821E-15 6.42250215480308E-15 -8.410600985374243E-13 -4.707808123775443E-15 -2.7380802196756E-13 4.765222659791966E-16
tp 2.8123679691861E-13 -8.410600985374243E-13 7.549096969120434E-9 -2.56892003761671E-11 2.03252979099849E-9 4.655367709305184E-12
node 1.821154554111343E-15 -4.707808123775443E-15 -2.56892003761671E-11 7.020244435039985E-10 -7.031198532486195E-10 2.947252437049067E-11
peri 9.790579328322192E-14 -2.7380802196756E-13 2.03252979099849E-9 -7.031198532486195E-10 1.246886511894939E-9 -2.803304190313926E-11
i -1.376758206869221E-16 4.765222659791966E-16 4.655367709305184E-12 2.947252437049067E-11 -2.803304190313926E-11 2.374986476410415E-11

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 15.3   n/a MPO280003  

48916 (1998 OR6)          Discovered 1998-Jul-26 by LONEOS at Anderson Mesa
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1998 OR6 = 2001 FJ45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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