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249613 (1999 RH207)
Classification: Main-belt Asteroid          SPK-ID: 2249613
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1656512415373569 9.0229e-08  
a 3.100547593173805 4.2671e-08 au
q 2.586938034918901 2.9997e-07 au
i 8.984815161872302 8.5378e-06 deg
node 305.280986471055 4.707e-05 deg
peri 71.0029429629252 5.3723e-05 deg
M 209.2870040262931 2.9156e-05 deg
tp 2459435.341889613242
(2021-Aug-08.84188961)
0.00017397 TDB
period 1994.141768060928
5.46
4.1166e-05
1.127e-07
d
yr
n .1805287897610501 3.7268e-09 deg/d
Q 3.61415715142871 4.9739e-08 au
  Orbit Determination Parameters
   # obs. used (total)      226  
   data-arc span      7205 days (19.73 yr)  
   first obs. used      1999-09-08  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54482  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:18:53  

Additional Information
 Earth MOID = 1.6044 au 
 Jupiter MOID = 1.97952 au 
 T_jup = 3.182 
[ 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 15.7   n/a MPO440260  
diameter diameter 2.987 km 0.539 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.150   0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249613 (1999 RH207)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Alternate Designations
 1999 RH207 = 2004 PK23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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