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JPL Small-Body Database Browser
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49678 (1999 TQ7)
Classification: Inner Main-belt Asteroid          SPK-ID: 2049678
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07758158204929085 5.9099e-08  
a 1.954742820152509 8.3858e-09 au
q 1.803090779665585 1.1854e-07 au
i 22.16142805756096 7.5336e-06 deg
node 180.0997863805435 1.2542e-05 deg
peri 146.7536075554749 4.3765e-05 deg
M 75.74094369898926 4.068e-05 deg
tp 2458390.479795039148
(2018-Sep-28.97979504)
0.00011282 TDB
period 998.2351696908648
2.73
6.4236e-06
1.759e-08
d
yr
n .3606364621589975 2.3207e-09 deg/d
Q 2.106394860639433 9.0363e-09 au
  Orbit Determination Parameters
   # obs. used (total)      667  
   data-arc span      17426 days (47.71 yr)  
   first obs. used      1971-03-25  
   last obs. used      2018-12-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56226  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:51:48  

Additional Information
 Earth MOID = .811997 au 
 Jupiter MOID = 3.11642 au 
 T_jup = 3.794 
[ 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 15.8   n/a MPO236620  
diameter diameter 1.120 km 0.141 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.957 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Warner, B.D (2011) Minor Planet Bull. 38, 25-31.]
[Warner, B.D. (2012) Minor Planet Bull. 39, 158-167.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.889   0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49678 (1999 TQ7)          Discovered 1999-Oct-02 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TQ7 = 2099 T-1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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