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146445 (2001 RC1)
Classification: Main-belt Asteroid          SPK-ID: 2146445
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1238532099137065 4.5695e-08  
a 2.654849076870569 1.5181e-08 au
q 2.326037496863709 1.2428e-07 au
i 1.526329559483334 4.6106e-06 deg
node 215.4420810528687 0.00020123 deg
peri 145.7173435977339 0.00020234 deg
M 103.706372024722 2.1602e-05 deg
tp 2458545.343107603168
(2019-Mar-02.84310760)
9.3367e-05 TDB
period 1580.003986869761
4.33
1.3553e-05
3.711e-08
d
yr
n .2278475263301184 1.9544e-09 deg/d
Q 2.98366065687743 1.7062e-08 au
  Orbit Determination Parameters
   # obs. used (total)      480  
   data-arc span      8134 days (22.27 yr)  
   first obs. used      1997-09-28  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59023  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 19:24:15  

Additional Information
 Earth MOID = 1.32318 au 
 Jupiter MOID = 2.46693 au 
 T_jup = 3.377 
[ 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 15.9   n/a MPO449800  
diameter diameter 1.963 km 0.438 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.219   0.165 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146445 (2001 RC1)          Discovered 2001-Sep-07 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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