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30568 (2001 OQ91)
Classification: Main-belt Asteroid          SPK-ID: 2030568
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1581321772751385 3.785e-08  
a 2.658201525319819 1.251e-08 au
q 2.237854330484902 1.0146e-07 au
i 12.76419382557444 3.9235e-06 deg
node 231.8840820392358 1.7828e-05 deg
peri 45.30146277012052 2.2906e-05 deg
M 205.3664263282767 1.734e-05 deg
tp 2459880.457194319377
(2022-Oct-27.95719432)
7.8824e-05 TDB
period 1582.997690234055
4.33
1.1175e-05
3.06e-08
d
yr
n .2274166299931694 1.6054e-09 deg/d
Q 3.078548720154736 1.4488e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1689  
   data-arc span      24195 days (66.24 yr)  
   first obs. used      1954-12-21  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47599  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 04:30:28  

Additional Information
 Earth MOID = 1.23967 au 
 Jupiter MOID = 2.05271 au 
 T_jup = 3.334 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.10   n/a MPCxxxxx  
diameter diameter 4.286 km 0.168 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.290   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30568 (2001 OQ91)          Discovered 2001-Jul-31 by JPL/GEODSS NEAT at Palomar
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 OQ91 = 2000 EN158 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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