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7316 Hajdu (3145 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2007316
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .118520460503006 3.4306e-08  
a 2.794685287672481 1.0165e-08 au
q 2.463457900416563 9.8973e-08 au
i 4.820291082671628 3.1692e-06 deg
node 127.142849448744 5.1388e-05 deg
peri 306.6294073812413 5.4825e-05 deg
M 19.31824025639424 1.7416e-05 deg
tp 2459304.927967858033
(2021-Mar-31.42796786)
8.2576e-05 TDB
period 1706.466589791812
4.67
9.31e-06
2.549e-08
d
yr
n .2109622316390735 1.151e-09 deg/d
Q 3.125912674928399 1.1369e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1876  
   data-arc span      23882 days (65.39 yr)  
   first obs. used      1955-11-24  
   last obs. used      2021-04-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46962  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 15:26:32  

Additional Information
 Earth MOID = 1.48204 au 
 Jupiter MOID = 2.11658 au 
 T_jup = 3.312 
[ 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 14.13   n/a E2021B10  
diameter diameter 5.422 km 0.254 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.181   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

7316 Hajdu (3145 T-2)          Discovered 1973-Sep-30 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 3145 T-2 = 1961 CW = 1989 AX3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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