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18195 (2000 QG116)
Classification: Mars-crossing Asteroid          SPK-ID: 2018195
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2609657076139254 3.5107e-08  
a 2.254110191356859 6.4472e-09 au
q 1.665864730229655 7.944e-08 au
i 2.015931840776011 3.6996e-06 deg
node 133.083572957882 0.00010689 deg
peri 259.4794659697824 0.00010712 deg
M 331.0876489452392 6.649e-06 deg
tp 2459299.775492078037
(2021-Mar-26.27549208)
2.2987e-05 TDB
period 1236.121444444361
3.38
5.3033e-06
1.452e-08
d
yr
n .2912335204748596 1.2495e-09 deg/d
Q 2.842355652484062 8.1297e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1129  
   data-arc span      10820 days (29.62 yr)  
   first obs. used      1990-11-15  
   last obs. used      2020-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50376  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:16:23  

Additional Information
 Earth MOID = .672225 au 
 Jupiter MOID = 2.59875 au 
 T_jup = 3.578 
[ 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 15.96   n/a E2021B10  
rotation period rot_per 5.25 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

18195 (2000 QG116)          Discovered 2000-Aug-28 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 QG116 = 1990 VQ14 = 1993 OF14 = 1993 OG14 = 1993 OT3 = 1997 YC21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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