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JPL Small-Body Database Browser
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108822 (2001 OX78)
Classification: Main-belt Asteroid          SPK-ID: 2108822
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05643266678089139 5.1918e-08  
a 2.978925705402157 2.6796e-08 au
q 2.810816983704165 1.5223e-07 au
i 11.54995053338303 4.5904e-06 deg
node 110.3637864166004 2.8313e-05 deg
peri 294.2218833697606 4.9758e-05 deg
M 172.1637632027235 4.0219e-05 deg
tp 2458102.394861625480
(2017-Dec-14.89486163)
0.00021024 TDB
period 1877.966906625521
5.14
2.5339e-05
6.937e-08
d
yr
n .1916966687378301 2.5866e-09 deg/d
Q 3.147034427100148 2.8309e-08 au
  Orbit Determination Parameters
   # obs. used (total)      500  
   data-arc span      6850 days (18.75 yr)  
   first obs. used      2001-07-26  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59655  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 18:57:59  

Additional Information
 Earth MOID = 1.84545 au 
 Jupiter MOID = 2.1084 au 
 T_jup = 3.227 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457234.5 (2015-Jul-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0566667626807295 5.1868e-08  
q 2.810391158847849 1.522e-07 au
tp 2458108.586645749536
(2017-Dec-21.08664575)
0.00020979 TDB
node 110.3765839354324 2.8312e-05 deg
peri 295.566218433603 4.9667e-05 deg
i 11.54982819956324 4.5905e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      500  
   data-arc span      6850 days (18.75 yr)  
   first obs. used      2001-07-26  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59655  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 18:57:59  

Additional Information
 Jupiter MOID = 2.1084 au 
 T_jup = 3.227 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.690277392198552E-15 -7.78744337069615E-15 -8.254181666022306E-13 -5.512217461551872E-15 -1.447168350615317E-13 -2.917571201703796E-15
q -7.78744337069615E-15 2.316529048407272E-14 2.051756788395194E-12 1.600850385182974E-14 2.993981735487761E-13 9.30056593595849E-15
tp -8.254181666022306E-13 2.051756788395194E-12 4.401061863154637E-8 -1.024149285356399E-11 8.599101272769875E-9 2.72978196650703E-12
node -5.512217461551872E-15 1.600850385182974E-14 -1.024149285356399E-11 8.015761264900091E-10 -7.871020208598478E-10 -1.490645186384749E-11
peri -1.447168350615317E-13 2.993981735487761E-13 8.599101272769875E-9 -7.871020208598478E-10 2.466775897195594E-9 1.510937344647792E-11
i -2.917571201703796E-15 9.30056593595849E-15 2.72978196650703E-12 -1.490645186384749E-11 1.510937344647792E-11 2.107261477529553E-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 15.2   n/a MPO469110  
diameter diameter 6.213 km 0.373 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

108822 (2001 OX78)          Discovered 2001-Jul-26 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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