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74595 (1999 QP)
Classification: Main-belt Asteroid          SPK-ID: 2074595
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1911986819513445 4.6842e-08  
a 2.383185290619572 1.5173e-08 au
q 1.927523404207278 1.1121e-07 au
i .613215350352018 5.2579e-06 deg
node 313.8776196747658 0.00055921 deg
peri 352.8729369886802 0.00055964 deg
M 258.7165879329855 2.7277e-05 deg
tp 2459378.568909130066
(2021-Jun-13.06890913)
0.0001045 TDB
period 1343.801561471583
3.68
1.2833e-05
3.513e-08
d
yr
n .2678966971922312 2.5584e-09 deg/d
Q 2.838847177031866 1.8074e-08 au
  Orbit Determination Parameters
   # obs. used (total)      405  
   data-arc span      7548 days (20.67 yr)  
   first obs. used      1999-08-20  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57428  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:06:54  

Additional Information
 Earth MOID = .912613 au 
 Jupiter MOID = 2.40895 au 
 T_jup = 3.512 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO453159  
diameter diameter 1.381 km 0.368 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.212   0.113 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74595 (1999 QP)          Discovered 1999-Aug-20 by Bell, G., Hug, G. at Farpoint
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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