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30674 (1455 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2030674
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08560550042906209 3.482e-08  
a 2.764026124336904 1.0106e-08 au
q 2.527410284764042 9.5257e-08 au
i 4.964676804883698 3.5782e-06 deg
node 211.8335245309078 4.0006e-05 deg
peri 163.0364251748827 4.498e-05 deg
M 91.84269826552202 2.0225e-05 deg
tp 2458772.292986927215
(2019-Oct-15.79298693)
9.392e-05 TDB
period 1678.462497481659
4.60
9.2055e-06
2.52e-08
d
yr
n .2144820039411895 1.1763e-09 deg/d
Q 3.000641963909766 1.0971e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1813  
   data-arc span      17338 days (47.47 yr)  
   first obs. used      1973-09-30  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50591  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 04:31:00  

Additional Information
 Earth MOID = 1.5275 au 
 Jupiter MOID = 2.43065 au 
 T_jup = 3.329 
[ 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 14.29   n/a MPCxxxxx  
diameter diameter 7.700 km 0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30674 (1455 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

Alternate Designations
 1455 T-2 = 1999 HA10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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