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146469 (2001 RR75)
Classification: Main-belt Asteroid          SPK-ID: 2146469
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2305092269367413 3.9705e-08  
a 2.79921538757148 1.2914e-08 au
q 2.153970412552948 1.1433e-07 au
i 2.985181394370078 4.1464e-06 deg
node 114.937366917252 9.1122e-05 deg
peri 309.7849531113484 9.1754e-05 deg
M 332.3410613906627 1.1268e-05 deg
tp 2459131.927398581111
(2020-Oct-09.42739858)
5.4077e-05 TDB
period 1710.61746647166
4.68
1.1838e-05
3.241e-08
d
yr
n .2104503239654978 1.4564e-09 deg/d
Q 3.444460362590013 1.5891e-08 au
  Orbit Determination Parameters
   # obs. used (total)      715  
   data-arc span      6575 days (18.00 yr)  
   first obs. used      2001-08-27  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60514  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:33:30  

Additional Information
 Earth MOID = 1.16901 au 
 Jupiter MOID = 1.88725 au 
 T_jup = 3.284 
[ 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 MPO449800  
diameter diameter 4.158 km 0.261 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.085   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146469 (2001 RR75)          Discovered 2001-Sep-10 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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