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74350 (1998 VO54)
Classification: Main-belt Asteroid          SPK-ID: 2074350
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1287584336748683 4.5484e-08  
a 2.601349881167689 1.1866e-08 au
q 2.266404145028233 1.1803e-07 au
i 14.00818400821639 5.6455e-06 deg
node 270.2208278991935 1.6723e-05 deg
peri 127.8264286006728 2.7686e-05 deg
M 59.57769338522514 1.9437e-05 deg
tp 2458746.883348578355
(2019-Sep-20.38334858)
8.2998e-05 TDB
period 1532.486226370663
4.20
1.0485e-05
2.871e-08
d
yr
n .2349123886435026 1.6073e-09 deg/d
Q 2.936295617307146 1.3394e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1417  
   data-arc span      14243 days (39.00 yr)  
   first obs. used      1981-10-23  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46644  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:44:02  

Additional Information
 Earth MOID = 1.30386 au 
 Jupiter MOID = 2.46676 au 
 T_jup = 3.361 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457078.5 (2015-Feb-25.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1279862632762365 4.5213e-08  
q 2.268532525378712 1.1701e-07 au
tp 2457210.357200943874
(2015-Jul-06.85720094)
8.6269e-05 TDB
node 270.3728027862163 1.6755e-05 deg
peri 126.8389649939193 2.7904e-05 deg
i 13.99263560957542 5.6404e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1417  
   data-arc span      14243 days (39.00 yr)  
   first obs. used      1981-10-23  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46644  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:44:02  

Additional Information
 Jupiter MOID = 2.46676 au 
 T_jup = 3.361 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.044188256968542E-15 -5.270053956491479E-15 7.870028149967285E-13 -2.277916609168738E-15 1.637542060436575E-13 -5.594757594643713E-15
q -5.270053956491479E-15 1.369116212912417E-14 -2.26349295866297E-12 5.356706554233903E-15 -4.838065346456722E-13 1.507039642937969E-14
tp 7.870028149967285E-13 -2.26349295866297E-12 7.442360771126573E-9 9.067818684493081E-12 1.936008066486808E-9 -7.065951466139804E-12
node -2.277916609168738E-15 5.356706554233903E-15 9.067818684493081E-12 2.807384601645571E-10 -2.693287504791347E-10 -1.40761278070236E-11
peri 1.637542060436575E-13 -4.838065346456722E-13 1.936008066486808E-9 -2.693287504791347E-10 7.786102940084579E-10 1.179094583517243E-11
i -5.594757594643713E-15 1.507039642937969E-14 -7.065951466139804E-12 -1.40761278070236E-11 1.179094583517243E-11 3.181394166674346E-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 13.8   n/a MPO366102  
diameter diameter 4.695 km 0.188 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.56 h n/a LCDB (Rev. 2020-October); 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:
[Clark, M. (2010) Minor Planet Bull. 37, 89-92.]
geometric albedo albedo 0.265   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74350 (1998 VO54)          Discovered 1998-Nov-14 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 VO54 = 1981 UQ12 = 2000 GG152 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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