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146438 (2001 QQ283)
Classification: Main-belt Asteroid          SPK-ID: 2146438
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 .1655530217138716 4.2568e-08  
a 2.650592820873761 1.909e-08 au
q 2.211779170045015 1.1407e-07 au
i 11.42703552998765 5.4077e-06 deg
node 265.6998833454689 2.8862e-05 deg
peri 122.1954947641798 3.6227e-05 deg
M 80.03221347734095 2.2582e-05 deg
tp 2458650.090977057777
(2019-Jun-15.59097706)
9.7197e-05 TDB
period 1576.205914820981
4.32
1.7028e-05
4.662e-08
d
yr
n .2283965544190255 2.4674e-09 deg/d
Q 3.089406471702507 2.225e-08 au
  Orbit Determination Parameters
   # obs. used (total)      534  
   data-arc span      7618 days (20.86 yr)  
   first obs. used      1999-03-22  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56674  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:37:26  

Additional Information
 Earth MOID = 1.24188 au 
 Jupiter MOID = 2.4042 au 
 T_jup = 3.343 
[ 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 15.2   n/a MPO449800  
diameter diameter 2.395 km 0.424 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.281   0.096 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146438 (2001 QQ283)          Discovered 2001-Aug-18 by NEAT at Palomar
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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