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JPL Small-Body Database Browser
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19965 (1987 RO1)
Classification: Outer Main-belt Asteroid          SPK-ID: 2019965
[ 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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1537510677136753 3.4057e-08  
a 3.207072030751519 2.1642e-08 au
q 2.713981281788808 1.1196e-07 au
i 3.947588158763394 3.9184e-06 deg
node 132.0135741971576 6.4324e-05 deg
peri 165.5337139582291 6.607e-05 deg
M 267.0759186061147 1.7268e-05 deg
tp 2459541.986051806309
(2021-Nov-23.48605181)		 0.00010299 TDB
period 2097.787524247708
5.74		 2.1235e-05
5.814e-08		 d
yr
n .1716093721784814 1.7371e-09 deg/d
Q 3.70016277971423 2.497e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1837  
   data-arc span      11828 days (32.38 yr)  
   first obs. used      1987-09-14  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49581  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:58:50  

Additional Information
 Earth MOID = 1.69841 au 
 Jupiter MOID = 1.51973 au 
 T_jup = 3.170 
[ 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 12.8   n/a MPO344460  
diameter diameter 14.163 km 0.122 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19965 (1987 RO1)          Discovered 1987-Sep-14 by Debehogne, H. at La Silla
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1987 RO1 = 1991 FV3 = 1999 TB40 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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