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30678 (2265 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2030678
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 .1100560894372937 3.669e-08  
a 2.309953247962645 8.2449e-09 au
q 2.055728826708901 8.4721e-08 au
i 2.496677364957335 4.2464e-06 deg
node 181.6998005883908 9.0061e-05 deg
peri 153.8016207095397 9.2131e-05 deg
M 188.2124628480584 2.0209e-05 deg
tp 2459812.416782993370
(2022-Aug-20.91678299)
7.3315e-05 TDB
period 1282.340066862781
3.51
6.8656e-06
1.88e-08
d
yr
n .2807367634396176 1.5031e-09 deg/d
Q 2.564177669216389 9.1523e-09 au
  Orbit Determination Parameters
   # obs. used (total)      653  
   data-arc span      17352 days (47.51 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53687  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 04:31:01  

Additional Information
 Earth MOID = 1.04441 au 
 Jupiter MOID = 2.74574 au 
 T_jup = 3.576 
[ 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 16.36   n/a MPCxxxxx  

30678 (2265 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2265 T-2 = 2000 GH20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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