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344228 (2001 RN154)
Classification: Main-belt Asteroid          SPK-ID: 2344228
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2280059514182321 5.1922e-08  
a 2.333000155669358 1.0343e-08 au
q 1.801062235517082 1.2142e-07 au
i 4.893386691213411 5.6277e-06 deg
node 240.7534363037287 5.1534e-05 deg
peri 167.4458370820771 5.3133e-05 deg
M 51.41413277710029 9.5836e-06 deg
tp 2458814.612326261575
(2019-Nov-27.11232626)
3.4833e-05 TDB
period 1301.579136537313
3.56
8.6555e-06
2.37e-08
d
yr
n .2765871009255223 1.8393e-09 deg/d
Q 2.864938075821633 1.2701e-08 au
  Orbit Determination Parameters
   # obs. used (total)      357  
   data-arc span      6707 days (18.36 yr)  
   first obs. used      2001-09-08  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52635  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:01:09  

Additional Information
 Earth MOID = .811639 au 
 Jupiter MOID = 2.52353 au 
 T_jup = 3.530 
[ 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 17.4   n/a MPO450303  
diameter diameter 2.551 km 0.494 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.030   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

344228 (2001 RN154)          Discovered 2001-Sep-11 by LONEOS at Anderson Mesa
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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