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129870 (1999 RF200)
Classification: Main-belt Asteroid          SPK-ID: 2129870
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 .1122654862775732 5.8843e-08  
a 2.53649418130151 1.9597e-08 au
q 2.251733428597461 1.4412e-07 au
i 14.85528941692636 5.6607e-06 deg
node 310.8893411858832 2.0585e-05 deg
peri 237.601984837771 3.0913e-05 deg
M 210.9899261284756 2.6442e-05 deg
tp 2459611.248433453195
(2022-Jan-31.74843345)
0.00010968 TDB
period 1475.534038273951
4.04
1.71e-05
4.682e-08
d
yr
n .2439794614437499 2.8275e-09 deg/d
Q 2.821254934005558 2.1797e-08 au
  Orbit Determination Parameters
   # obs. used (total)      748  
   data-arc span      7685 days (21.04 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53854  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 20:29:24  

Additional Information
 Earth MOID = 1.29141 au 
 Jupiter MOID = 2.27458 au 
 T_jup = 3.393 
[ 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 14.6   n/a MPO348255  
diameter diameter 5.092 km 0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.125   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

129870 (1999 RF200)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

Alternate Designations
 1999 RF200 = 2000 XR28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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