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70273 (1999 RF109)
Classification: Main-belt Asteroid          SPK-ID: 2070273
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08947537179698183 5.6423e-08  
a 2.535015384784221 1.128e-08 au
q 2.308193940719584 1.4388e-07 au
i 9.044653120974298 5.4261e-06 deg
node 288.9930494642374 3.6421e-05 deg
peri 3.897026202492242 5.2674e-05 deg
M 148.5434934947472 3.688e-05 deg
tp 2458592.196299048833
(2019-Apr-18.69629905)
0.00015154 TDB
period 1474.243854041066
4.04
9.8397e-06
2.694e-08
d
yr
n .2441929800237594 1.6298e-09 deg/d
Q 2.761836828848858 1.2289e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1039  
   data-arc span      7803 days (21.36 yr)  
   first obs. used      1999-09-07  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50075  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:48:39  

Additional Information
 Earth MOID = 1.29012 au 
 Jupiter MOID = 2.39796 au 
 T_jup = 3.426 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457215.5 (2015-Jul-12.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09020646325134744 5.6579e-08  
q 2.306301278175862 1.4455e-07 au
tp 2457120.532695460004
(2015-Apr-08.03269546)
0.0001518 TDB
node 289.0566833697947 3.6456e-05 deg
peri 4.384696330188119 5.2439e-05 deg
i 9.039613682279777 5.4253e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1039  
   data-arc span      7803 days (21.36 yr)  
   first obs. used      1999-09-07  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50075  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:48:39  

Additional Information
 Jupiter MOID = 2.39796 au 
 T_jup = 3.426 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.201171309201827E-15 -8.157385924004998E-15 5.002158193390476E-12 6.175495724338695E-14 1.121919181133729E-12 -5.360398929242336E-15
q -8.157385924004998E-15 2.089382285622096E-14 -1.304298031299201E-11 -1.583776445791555E-13 -2.935864415398657E-12 1.399533821709853E-14
tp 5.002158193390476E-12 -1.304298031299201E-11 2.304437930022677E-8 1.705391653271436E-10 5.75531746334613E-9 -1.334487568343449E-11
node 6.175495724338695E-14 -1.583776445791555E-13 1.705391653271436E-10 1.329057036527237E-9 -1.27011396577221E-9 1.281179911940858E-10
peri 1.121919181133729E-12 -2.935864415398657E-12 5.75531746334613E-9 -1.27011396577221E-9 2.749812529990357E-9 -1.29973464802718E-10
i -5.360398929242336E-15 1.399533821709853E-14 -1.334487568343449E-11 1.281179911940858E-10 -1.29973464802718E-10 2.943339100475896E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.98   n/a MPCxxxxx  
diameter diameter 3.161 km 0.133 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.233   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70273 (1999 RF109)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1999 RF109 = 2000 YS46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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