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52274 (1988 RG12)
Classification: Main-belt Asteroid          SPK-ID: 2052274
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2246284275532167 6.317e-08  
a 2.698071225995152 1.1327e-08 au
q 2.092007729073282 1.6786e-07 au
i 9.001283148083301 4.9735e-06 deg
node 356.4783981479334 2.3299e-05 deg
peri 351.2438975654028 2.5471e-05 deg
M 105.8545399817811 7.5863e-06 deg
tp 2458724.523478493585
(2019-Aug-29.02347849)
3.4132e-05 TDB
period 1618.745381840033
4.43
1.0194e-05
2.791e-08
d
yr
n .2223944568668278 1.4005e-09 deg/d
Q 3.304134722917023 1.3871e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1022  
   data-arc span      11840 days (32.42 yr)  
   first obs. used      1988-09-11  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51364  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:43:56  

Additional Information
 Earth MOID = 1.08442 au 
 Jupiter MOID = 2.12566 au 
 T_jup = 3.315 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.94   n/a MPCxxxxx  
diameter diameter 2.526 km 0.232 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.400   0.165 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52274 (1988 RG12)          Discovered 1988-Sep-14 by Bus, S. J. at Cerro Tololo
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1988 RG12 = 2001 NG7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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