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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05129168582006168 4.8595e-08  
a 2.471326877517652 1.1205e-08 au
q 2.344568355757342 1.1645e-07 au
i 9.680465079266384 4.8259e-06 deg
node 181.4894383359034 1.9583e-05 deg
peri 352.542160479359 3.8886e-05 deg
M 126.7444175959814 3.279e-05 deg
tp 2458500.902731870240
(2019-Jan-17.40273187)
0.00012934 TDB
period 1419.036987491084
3.89
9.6506e-06
2.642e-08
d
yr
n .2536931758463145 1.7253e-09 deg/d
Q 2.598085399277961 1.1779e-08 au
  Orbit Determination Parameters
   # obs. used (total)      969  
   data-arc span      14746 days (40.37 yr)  
   first obs. used      1980-03-16  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54859  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 09:35:01  

Additional Information
 Earth MOID = 1.34881 au 
 Jupiter MOID = 2.36148 au 
 T_jup = 3.462 
[ 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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1970-Feb-04 16:56 < 00:01 Juno 0.0263953613801235 0.0263881721345596 0.0264025506902952 5.61904687786295 5.61904679583616 2440622.205820851 0.480513136910638 364.400631749791 63.8839426039243 10.6348440696664 15596.8273137467 T 26 CATAB v2.0f-lin.ifort 2020-Aug-25 09:35:18 2020-Aug-25 09:35
2066-Aug-23 12:12 < 00:01 Hebe 0.0491771465626267 0.0491759226349243 0.0491783704998755 5.75686493429086 5.75686491233208 2475886.008087855 0.665509484740327 594.593725473074 60.9121901690024 89.6568046597053 120736.832460384 T 26 CATAB v2.0f-lin.ifort 2020-Aug-25 09:35:18 2020-Aug-25 09:35

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