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74703 (1999 RN148)
Classification: Main-belt Asteroid          SPK-ID: 2074703
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1853962521313547 4.0463e-08  
a 2.364243673027218 1.244e-08 au
q 1.925921756922704 9.9619e-08 au
i 1.734774825128632 4.1897e-06 deg
node 277.4420552321093 0.00015487 deg
peri 61.58126637160566 0.00015544 deg
M 252.8823754623657 1.661e-05 deg
tp 2459395.589249400189
(2021-Jun-30.08924940)
6.3165e-05 TDB
period 1327.812583578127
3.64
1.048e-05
2.869e-08
d
yr
n .2711226000207717 2.1399e-09 deg/d
Q 2.802565589131733 1.4747e-08 au
  Orbit Determination Parameters
   # obs. used (total)      484  
   data-arc span      7537 days (20.64 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56697  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:07:52  

Additional Information
 Earth MOID = .917719 au 
 Jupiter MOID = 2.5847 au 
 T_jup = 3.525 
[ 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 16.3   n/a MPO351370  
diameter diameter 3.290 km 0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74703 (1999 RN148)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RN148 = 2002 JW134 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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