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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2277327753099719 6.4521e-08  
a 2.330835260263563 1.0338e-08 au
q 1.800027677653401 1.5106e-07 au
i 3.372934887172181 5.9599e-06 deg
node 64.23750698730748 8.8953e-05 deg
peri 301.7133612533536 8.9496e-05 deg
M 17.90312532226708 1.0524e-05 deg
tp 2458935.861369435551
(2020-Mar-27.36136944)
3.7873e-05 TDB
period 1299.767866466278
3.56
8.647e-06
2.367e-08
d
yr
n .2769725343177962 1.8426e-09 deg/d
Q 2.861642842873724 1.2692e-08 au
  Orbit Determination Parameters
   # obs. used (total)      643  
   data-arc span      9706 days (26.57 yr)  
   first obs. used      1991-09-15  
   last obs. used      2018-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57269  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 03:56:07  

Additional Information
 Earth MOID = .80143 au 
 Jupiter MOID = 2.60081 au 
 T_jup = 3.534 
[ 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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