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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1909018948767539 5.1307e-08  
a 2.383846298172273 1.7009e-08 au
q 1.928765522756251 1.1951e-07 au
i .6130431512551717 5.3038e-06 deg
node 313.8744440629628 0.00068691 deg
peri 352.8250792635906 0.00068724 deg
M 151.6385175342182 2.6634e-05 deg
tp 2458034.230942253971
(2017-Oct-07.73094225)
9.552e-05 TDB
period 1344.360681596409
3.68
1.4389e-05
3.939e-08
d
yr
n .2677852788527742 2.8661e-09 deg/d
Q 2.838927073588296 2.0257e-08 au
  Orbit Determination Parameters
   # obs. used (total)      354  
   data-arc span      7056 days (19.32 yr)  
   first obs. used      1999-08-20  
   last obs. used      2018-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58359  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:44:27  

Additional Information
 Earth MOID = .913054 au 
 Jupiter MOID = 2.40652 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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