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48923 (1998 OY11)
Classification: Main-belt Asteroid          SPK-ID: 2048923
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2288403129185047 3.7031e-08  
a 2.37501556342549 1.0147e-08 au
q 1.831516258704882 9.0382e-08 au
i 2.814053609200091 4.2525e-06 deg
node 61.66539570243216 8.7624e-05 deg
peri 270.741522124124 8.8269e-05 deg
M 227.3761093894261 1.3244e-05 deg
tp 2459093.012639065600
(2020-Aug-31.51263907)
5.1049e-05 TDB
period 1336.89751708641
3.66
8.5675e-06
2.346e-08
d
yr
n .269280176976147 1.7257e-09 deg/d
Q 2.918514868146098 1.2469e-08 au
  Orbit Determination Parameters
   # obs. used (total)      745  
   data-arc span      10020 days (27.43 yr)  
   first obs. used      1991-11-04  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58739  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:48:31  

Additional Information
 Earth MOID = .822918 au 
 Jupiter MOID = 2.45184 au 
 T_jup = 3.505 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456514.5 (2013-Aug-10.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2272723437706315 3.6863e-08  
q 1.835774133169722 8.9904e-08 au
tp 2456415.872681645484
(2013-May-03.37268165)
4.3284e-05 TDB
node 61.8131798162733 8.746e-05 deg
peri 270.1668719787731 8.8127e-05 deg
i 2.816018904052637 4.2549e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      745  
   data-arc span      10020 days (27.43 yr)  
   first obs. used      1991-11-04  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58739  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:48:31  

Additional Information
 Jupiter MOID = 2.45184 au 
 T_jup = 3.505 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.358900300794456E-15 -3.302235110065843E-15 -1.379944729246425E-13 -3.08855654326798E-16 -1.694945190742839E-14 7.461902688245712E-16
q -3.302235110065843E-15 8.082780640044892E-15 4.466101202440545E-13 -9.253098672699272E-16 6.871108932430943E-14 -1.721990776620859E-15
tp -1.379944729246425E-13 4.466101202440545E-13 1.873505102136015E-9 -2.279600247336794E-11 4.886299088164952E-10 2.300366005279195E-13
node -3.08855654326798E-16 -9.253098672699272E-16 -2.279600247336794E-11 7.64929498655844E-9 -7.644961051416897E-9 -1.055063907366423E-11
peri -1.694945190742839E-14 6.871108932430943E-14 4.886299088164952E-10 -7.644961051416897E-9 7.766317971518607E-9 1.059738433795688E-11
i 7.461902688245712E-16 -1.721990776620859E-15 2.300366005279195E-13 -1.055063907366423E-11 1.059738433795688E-11 1.810452560649927E-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 15.5   n/a MPO432047  

48923 (1998 OY11)          Discovered 1998-Jul-22 by Broughton, J. at Reedy Creek
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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