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70276 (1999 RT109)
Classification: Main-belt Asteroid          SPK-ID: 2070276
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2019508116043328 5.1607e-08  
a 2.618444057569747 1.1061e-08 au
q 2.089647155002995 1.373e-07 au
i 11.992548799277 5.9509e-06 deg
node 340.3455157661784 1.5061e-05 deg
peri 345.0983402209246 1.8736e-05 deg
M 345.0838167835847 8.9997e-06 deg
tp 2459064.623701665420
(2020-Aug-03.12370167)
3.8605e-05 TDB
period 1547.616589621033
4.24
9.8064e-06
2.685e-08
d
yr
n .2326157540661629 1.474e-09 deg/d
Q 3.1472409601365 1.3295e-08 au
  Orbit Determination Parameters
   # obs. used (total)      730  
   data-arc span      7734 days (21.17 yr)  
   first obs. used      1999-09-08  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51043  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:05:26  

Additional Information
 Earth MOID = 1.08072 au 
 Jupiter MOID = 2.22108 au 
 T_jup = 3.346 
[ 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 15.7   n/a MPO247865  
diameter diameter 4.126 km 0.569 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70276 (1999 RT109)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RT109 = 2003 QH57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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