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100039 (1991 RO16)
Classification: Main-belt Asteroid          SPK-ID: 2100039
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2278453785797317 5.0158e-08  
a 2.331311488322399 8.6758e-09 au
q 1.800132939678304 1.1514e-07 au
i 3.372704712694746 4.7388e-06 deg
node 64.23652289725888 7.0835e-05 deg
peri 301.7463808678449 7.1431e-05 deg
M 73.25381970937703 1.0373e-05 deg
tp 2458935.938492193468
(2020-Mar-27.43849219)
3.6779e-05 TDB
period 1300.166232808197
3.56
7.2577e-06
1.987e-08
d
yr
n .2768876709114686 1.5456e-09 deg/d
Q 2.862490036966494 1.0653e-08 au
  Orbit Determination Parameters
   # obs. used (total)      856  
   data-arc span      10718 days (29.34 yr)  
   first obs. used      1991-09-15  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52605  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:24:09  

Additional Information
 Earth MOID = .8 au 
 Jupiter MOID = 2.60101 au 
 T_jup = 3.533 
[ 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 16.0   n/a MPO337983  
diameter diameter 1.627 km 0.189 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.291   0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100039 (1991 RO16)          Discovered 1991-Sep-15 by Holt, H. E. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1991 RO16 = 2002 TF266 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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