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85644 (1998 OH10)
Classification: Main-belt Asteroid          SPK-ID: 2085644
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1970786352849963 3.5541e-08  
a 2.282413592281886 6.7781e-09 au
q 1.832598636359046 8.1239e-08 au
i 6.222404966077405 3.3419e-06 deg
node 152.7689733630056 3.5466e-05 deg
peri 259.4140397757699 3.6701e-05 deg
M 48.88897481430607 8.0233e-06 deg
tp 2458829.459729809534
(2019-Dec-11.95972981)
2.8169e-05 TDB
period 1259.476139609078
3.45
5.6104e-06
1.536e-08
d
yr
n .2858331243271814 1.2733e-09 deg/d
Q 2.732228548204726 8.1139e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1730  
   data-arc span      11493 days (31.47 yr)  
   first obs. used      1988-11-04  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4839  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:39:01  

Additional Information
 Earth MOID = .855405 au 
 Jupiter MOID = 2.65665 au 
 T_jup = 3.571 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457227.5 (2015-Jul-24.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1966770883629718 3.5604e-08  
q 1.833645714470323 8.1369e-08 au
tp 2457567.912808148108
(2016-Jun-28.41280815)
2.9644e-05 TDB
node 152.8775378904993 3.5431e-05 deg
peri 258.8679128897795 3.6678e-05 deg
i 6.224829392423127 3.3451e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1730  
   data-arc span      11493 days (31.47 yr)  
   first obs. used      1988-11-04  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4839  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:39:01  

Additional Information
 Jupiter MOID = 2.65665 au 
 T_jup = 3.571 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.26766988889847E-15 -2.89068045179314E-15 -3.518602874992199E-13 1.635540118230824E-14 -1.3290096536406E-13 -2.54884560247617E-15
q -2.89068045179314E-15 6.620844360674106E-15 7.533895798203307E-13 -3.618924314632795E-14 2.853751850233787E-13 5.968167440549002E-15
tp -3.518602874992199E-13 7.533895798203307E-13 8.78758955457738E-10 -9.590487243926702E-12 2.948689638204251E-10 1.370870099772305E-12
node 1.635540118230824E-14 -3.618924314632795E-14 -9.590487243926702E-12 1.255379211997444E-9 -1.25089882682567E-9 3.545376311634849E-11
peri -1.3290096536406E-13 2.853751850233787E-13 2.948689638204251E-10 -1.25089882682567E-9 1.345284883674141E-9 -3.486145769777258E-11
i -2.54884560247617E-15 5.968167440549002E-15 1.370870099772305E-12 3.545376311634849E-11 -3.486145769777258E-11 1.118995903084164E-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 14.6   n/a MPO502666  
diameter diameter 3.013 km 0.159 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.345 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.338   0.112 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85644 (1998 OH10)          Discovered 1998-Jul-26 by Elst, E. W. at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1998 OH10 = 1988 VL13 = 2000 DD15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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