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JPL Small-Body Database Browser
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91570 (1999 RN249)
Classification: Main-belt Asteroid          SPK-ID: 2091570
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .0361654393174352 4.1182e-08  
a 3.110469928099075 2.5043e-08 au
q 2.997978416665701 1.2556e-07 au
i 9.52345175527098 4.651e-06 deg
node 188.3648890105002 2.9645e-05 deg
peri 328.8388257999706 7.7577e-05 deg
M 125.0869756559039 7.0432e-05 deg
tp 2458304.279144048251
(2018-Jul-04.77914405)
0.00039435 TDB
period 2003.721864953411
5.49
2.4198e-05
6.625e-08
d
yr
n .1796656543488737 2.1698e-09 deg/d
Q 3.222961439532449 2.5949e-08 au
  Orbit Determination Parameters
   # obs. used (total)      688  
   data-arc span      7185 days (19.67 yr)  
   first obs. used      1999-09-08  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55343  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:04:11  

Additional Information
 Earth MOID = 2.00893 au 
 Jupiter MOID = 1.75203 au 
 T_jup = 3.197 
[ 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 14.7   n/a MPO436412  
diameter diameter 4.068 km 1.217 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.117   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91570 (1999 RN249)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 RN249 = 1999 TA129 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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