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74763 (1999 RU212)
Classification: Main-belt Asteroid          SPK-ID: 2074763
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2141898955735329 5.5831e-08  
a 2.386296635212788 1.7895e-08 au
q 1.875176008109088 1.2857e-07 au
i 5.413939105041347 4.85e-06 deg
node 273.1988625492734 4.9745e-05 deg
peri 75.6204508813844 5.211e-05 deg
M 233.1617365119709 2.2817e-05 deg
tp 2459474.887084954301
(2021-Sep-17.38708495)		 8.9689e-05 TDB
period 1346.434000964277
3.69		 1.5146e-05
4.147e-08		 d
yr
n .2673729271113017 3.0076e-09 deg/d
Q 2.897417262316488 2.1728e-08 au
   Orbit Determination Parameters
   # obs. used (total)      323  
   data-arc span      8543 days (23.39 yr)  
   first obs. used      1996-12-05  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54823  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:08:13  

Additional Information
 Earth MOID = .877547 au 
 Jupiter MOID = 2.55788 au 
 T_jup = 3.498 
[ 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 16.6   n/a MPO468695  
diameter diameter 2.816 km 0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74763 (1999 RU212)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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