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30680 (3029 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2030680
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07774900009728308 4.9439e-08  
a 2.800559893669825 1.4163e-08 au
q 2.582819162224443 1.39e-07 au
i .8187221538859882 4.489e-06 deg
node 128.1811199760348 0.00039601 deg
peri 210.3280843120787 0.00039756 deg
M 44.26669890703351 3.3281e-05 deg
tp 2458990.005690161603
(2020-May-20.50569016)
0.00015846 TDB
period 1711.850068173537
4.69
1.2986e-05
3.555e-08
d
yr
n .2102987911693125 1.5953e-09 deg/d
Q 3.018300625115208 1.5264e-08 au
  Orbit Determination Parameters
   # obs. used (total)      553  
   data-arc span      17246 days (47.22 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-12-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56424  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:39:08  

Additional Information
 Earth MOID = 1.57173 au 
 Jupiter MOID = 2.26781 au 
 T_jup = 3.321 
[ 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 15.98   n/a MPCxxxxx  
diameter diameter 4.331 km 0.612 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.034   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30680 (3029 T-2)          Discovered 1973-Sep-30 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 3029 T-2 = 2000 KW10 = 2011 WW134 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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