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(1999 TT16)
Classification: Apollo [NEO, PHA]          SPK-ID: 3022974
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6632176061181554 1.8247e-07  
a 2.160369266143185 3.6398e-08 au
q .7275743331204657 3.8386e-07 au
i 1.981838711729558 9.5645e-06 deg
node 327.2916887661422 0.00050016 deg
peri 149.2340244709669 0.00050548 deg
M 146.9731305115277 1.0994e-05 deg
tp 2458526.993596887924
(2019-Feb-12.49359689)
3.1409e-05 TDB
period 1159.819516173246
3.18
2.9311e-05
8.025e-08
d
yr
n .3103931214985914 7.8443e-09 deg/d
Q 3.593164199165904 6.0538e-08 au
  Orbit Determination Parameters
   # obs. used (total)      187  
   data-arc span      7170 days (19.63 yr)  
   first obs. used      1999-10-09  
   last obs. used      2019-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51734  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-21 05:57:52  

Additional Information
 Earth MOID = .0224347 au 
 Jupiter MOID = 1.53787 au 
 T_jup = 3.372 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 19.8   n/a E2019Y43  
rotation period rot_per 235. h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2019) http://www.asu.cas.cz/~ppravec/neo.htm]

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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