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34786 (2001 RS87)
Classification: Main-belt Asteroid          SPK-ID: 2034786
[ 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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09906668632870343 4.2558e-08  
a 2.937868239143329 1.658e-08 au
q 2.646823367821057 1.3309e-07 au
i .9797728679766065 4.0364e-06 deg
node 292.8708870219979 0.00029077 deg
peri 15.81913526793602 0.00029186 deg
M 344.5751425267983 2.5073e-05 deg
tp 2459279.307138257257
(2021-Mar-05.80713826)		 0.00012816 TDB
period 1839.275975282222
5.04		 1.557e-05
4.263e-08		 d
yr
n .1957291917243474 1.6569e-09 deg/d
Q 3.228913110465602 1.8223e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1091  
   data-arc span      10560 days (28.91 yr)  
   first obs. used      1991-09-12  
   last obs. used      2020-08-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51176  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 07:59:07  

Additional Information
 Earth MOID = 1.63014 au 
 Jupiter MOID = 1.98334 au 
 T_jup = 3.266 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456817.5 (2014-Jun-09.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09708219346803124 4.2777e-08  
q 2.650389715525332 1.3319e-07 au
tp 2457445.828061217872
(2016-Feb-27.32806122)		 0.00012952 TDB
node 292.9092627797339 0.00029086 deg
peri 16.59793517818143 0.00029198 deg
i .9797702829360059 4.0356e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      1091  
   data-arc span      10560 days (28.91 yr)  
   first obs. used      1991-09-12  
   last obs. used      2020-08-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51176  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 07:59:07  

Additional Information
 Jupiter MOID = 1.98334 au 
 T_jup = 3.266 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.829835329824648E-15 -5.669373654321975E-15 1.300436483547693E-12 -1.512980271714622E-14 3.387974136614038E-13 -4.063622194803527E-16
q -5.669373654321975E-15 1.774065990217473E-14 -3.84375353882638E-12 5.037000497069799E-14 -1.031407887481137E-12 1.295066138240531E-15
tp 1.300436483547693E-12 -3.84375353882638E-12 1.677522301760855E-8 4.612517433199538E-11 3.340537727424993E-9 -1.970696517430665E-13
node -1.512980271714622E-14 5.037000497069799E-14 4.612517433199538E-11 8.459843450351743E-8 -8.457681368747252E-8 1.750382716472332E-10
peri 3.387974136614038E-13 -1.031407887481137E-12 3.340537727424993E-9 -8.457681368747252E-8 8.525245167850508E-8 -1.750662260964964E-10
i -4.063622194803527E-16 1.295066138240531E-15 -1.970696517430665E-13 1.750382716472332E-10 -1.750662260964964E-10 1.628613364421058E-11

[ 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 14.28   n/a E2021B10  
diameter diameter 4.286 km 0.660 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.183   0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

34786 (2001 RS87)          Discovered 2001-Sep-11 by LONEOS at Anderson Mesa
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 2001 RS87 = 1996 TT 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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