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249016 (2007 RK116)
Classification: Outer Main-belt Asteroid          SPK-ID: 2249016
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04135159704496434 5.935e-08  
a 3.251672983303644 4.9581e-08 au
q 3.117211112376075 1.9171e-07 au
i 12.48892203824517 9.8901e-06 deg
node 352.0175045141203 2.7623e-05 deg
peri 286.4286120763932 0.00013662 deg
M 143.4664838694603 0.00013704 deg
tp 2458146.993810929197
(2018-Jan-28.49381093)
0.00081658 TDB
period 2141.700415165022
5.86
4.8984e-05
1.341e-07
d
yr
n .1680907364311555 3.8445e-09 deg/d
Q 3.386134854231214 5.1631e-08 au
  Orbit Determination Parameters
   # obs. used (total)      154  
   data-arc span      6629 days (18.15 yr)  
   first obs. used      2001-09-20  
   last obs. used      2019-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58831  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 18:46:47  

Additional Information
 Earth MOID = 2.13102 au 
 Jupiter MOID = 1.74203 au 
 T_jup = 3.143 
[ show covariance matrix ]

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 15.5   n/a MPO454844  
diameter diameter 4.382 km 0.885 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249016 (2007 RK116)          Discovered 2007-Sep-11 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2007 RK116 = 2001 SW98 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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