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JPL Small-Body Database Browser
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109784 (2001 RV87)
Classification: Main-belt Asteroid          SPK-ID: 2109784
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05054951703199995 5.0988e-08  
a 2.470211359990903 1.189e-08 au
q 2.345343368776403 1.2335e-07 au
i 9.680931940993275 5.4973e-06 deg
node 181.5635795589529 2.091e-05 deg
peri 351.9792851396556 4.5525e-05 deg
M 25.79804606504087 3.8668e-05 deg
tp 2458498.878895251524
(2019-Jan-15.37889525)
0.00015244 TDB
period 1418.076299934443
3.88
1.0239e-05
2.803e-08
d
yr
n .2538650423934471 1.8329e-09 deg/d
Q 2.595079351205404 1.2491e-08 au
  Orbit Determination Parameters
   # obs. used (total)      891  
   data-arc span      14300 days (39.15 yr)  
   first obs. used      1980-03-16  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5426  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:46:46  

Additional Information
 Earth MOID = 1.35015 au 
 Jupiter MOID = 2.36603 au 
 T_jup = 3.463 
[ 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 15.4   n/a MPO432619  
diameter diameter 2.598 km 0.421 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.218   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109784 (2001 RV87)          Discovered 2001-Sep-11 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 RV87 = 1980 FW 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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