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190367 (1999 RE54)
Classification: Main-belt Asteroid          SPK-ID: 2190367
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1887338156428092 5.2534e-08  
a 2.690439752738663 2.4732e-08 au
q 2.182662792447199 1.4462e-07 au
i 11.58817439451371 6.8253e-06 deg
node 341.5188301419858 2.5201e-05 deg
peri 333.4627682047258 3.1327e-05 deg
M 305.284774286641 2.1625e-05 deg
tp 2459445.484737177388
(2021-Aug-18.98473718)
9.7767e-05 TDB
period 1611.882327706942
4.41
2.2226e-05
6.085e-08
d
yr
n .2233413654408227 3.0796e-09 deg/d
Q 3.198216713030127 2.94e-08 au
  Orbit Determination Parameters
   # obs. used (total)      447  
   data-arc span      7558 days (20.69 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-05-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55154  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:07:20  

Additional Information
 Earth MOID = 1.17422 au 
 Jupiter MOID = 2.15321 au 
 T_jup = 3.318 
[ 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 15.55   n/a E2021B55  
diameter diameter 3.771 km 1.276 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.113   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

190367 (1999 RE54)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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