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70347 (1999 RA178)
Classification: Main-belt Asteroid          SPK-ID: 2070347
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2059103192471398 7.3727e-08  
a 2.53488768571599 8.6869e-09 au
q 2.012928153094567 1.8949e-07 au
i 11.28915203468564 7.1236e-06 deg
node 161.5964514591709 1.6286e-05 deg
peri 144.3145131039579 2.2102e-05 deg
M 77.60503889503354 1.14e-05 deg
tp 2458682.721925308194
(2019-Jul-18.22192531)
4.6883e-05 TDB
period 1474.132459926794
4.04
7.5776e-06
2.075e-08
d
yr
n .2442114326808039 1.2553e-09 deg/d
Q 3.056847218337413 1.0476e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1116  
   data-arc span      7903 days (21.64 yr)  
   first obs. used      1998-04-19  
   last obs. used      2019-12-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57012  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:01:04  

Additional Information
 Earth MOID = 1.01019 au 
 Jupiter MOID = 2.28348 au 
 T_jup = 3.392 
[ 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 15.3   n/a MPO493358  
diameter diameter 2.574 km 0.300 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.243   0.128 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70347 (1999 RA178)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RA178 = 1998 HJ135 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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