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30707 (4075 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2030707
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09458487452044036 4.1204e-08  
a 2.280343986994776 7.2793e-09 au
q 2.064657937121435 9.4967e-08 au
i 2.639417103101396 3.942e-06 deg
node 118.2723941234144 9.1709e-05 deg
peri 45.9190211012673 9.4171e-05 deg
M 55.44926296426308 2.0477e-05 deg
tp 2459006.772064198663
(2020-Jun-06.27206420)
7.1481e-05 TDB
period 1257.763460867456
3.44
6.0225e-06
1.649e-08
d
yr
n .2862223392558364 1.3705e-09 deg/d
Q 2.496030036868118 7.9678e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1343  
   data-arc span      15585 days (42.67 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-06-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53531  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:39:20  

Additional Information
 Earth MOID = 1.07295 au 
 Jupiter MOID = 2.47329 au 
 T_jup = 3.598 
[ 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 15.29   n/a E2021B10  
diameter diameter 5.542 km 0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30707 (4075 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 4075 T-3 = 2000 JY55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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