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181716 (1994 BG2)
Classification: Main-belt Asteroid          SPK-ID: 2181716
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08245645389886321 3.8041e-08  
a 2.676517575111378 1.3938e-08 au
q 2.455821427069709 9.8875e-08 au
i 4.917652611496586 4.3227e-06 deg
node 120.0280590661648 6.1733e-05 deg
peri 352.7657481255856 7.155e-05 deg
M 56.26943926621365 3.6503e-05 deg
tp 2458950.509409325347
(2020-Apr-11.00940933)
0.00016134 TDB
period 1599.387053016409
4.38
1.2493e-05
3.42e-08
d
yr
n .2250862287030822 1.7582e-09 deg/d
Q 2.897213723153046 1.5087e-08 au
  Orbit Determination Parameters
   # obs. used (total)      434  
   data-arc span      9975 days (27.31 yr)  
   first obs. used      1994-01-08  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57815  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:09:44  

Additional Information
 Earth MOID = 1.47232 au 
 Jupiter MOID = 2.17144 au 
 T_jup = 3.368 
[ 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 16.06   n/a MPCxxxxx  

181716 (1994 BG2)          Discovered 1994-Jan-18 by Spacewatch at Kitt Peak
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

Alternate Designations
 1994 BG2 = 2001 TS6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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