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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09915187701251944 3.8453e-08  
a 2.937962968344337 1.4941e-08 au
q 2.646658425439723 1.1843e-07 au
i .9783450346122571 3.928e-06 deg
node 292.8350939205992 0.0002831 deg
peri 15.42749667058345 0.00028422 deg
M 23.28607422452822 2.4458e-05 deg
tp 2459277.523365551239
(2021-Mar-04.02336555)
0.00012495 TDB
period 1839.364934963468
5.04
1.4031e-05
3.841e-08
d
yr
n .195719725410091 1.493e-09 deg/d
Q 3.229267511248951 1.6422e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1157  
   data-arc span      10923 days (29.91 yr)  
   first obs. used      1991-09-12  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5078  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 00:15:37  

Additional Information
 Earth MOID = 1.63136 au 
 Jupiter MOID = 1.98029 au 
 T_jup = 3.266 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457019.5 (2014-Dec-28.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09720438319454514 3.888e-08  
q 2.650007618781055 1.1904e-07 au
tp 2457445.684263777175
(2016-Feb-27.18426378)
0.00012728 TDB
node 292.9049831340422 0.00028263 deg
peri 16.58964448886386 0.00028377 deg
i .9797539772347458 3.9282e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1157  
   data-arc span      10923 days (29.91 yr)  
   first obs. used      1991-09-12  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5078  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 00:15:37  

Additional Information
 Jupiter MOID = 1.98029 au 
 T_jup = 3.266 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.51169043331829E-15 -4.60371122452292E-15 1.7038776501381E-12 -1.027998530699795E-14 3.844107994739774E-13 -3.188700875274588E-16
q -4.60371122452292E-15 1.417006849815716E-14 -5.189971759806133E-12 3.410291339197324E-14 -1.182691798629095E-12 1.004356433115309E-15
tp 1.7038776501381E-12 -5.189971759806133E-12 1.619897338123189E-8 3.965892419284411E-11 3.269895169290198E-9 -3.199108546669289E-13
node -1.027998530699795E-14 3.410291339197324E-14 3.965892419284411E-11 7.987952290849101E-8 -7.985948269870861E-8 2.377538748341368E-10
peri 3.844107994739774E-13 -1.182691798629095E-12 3.269895169290198E-9 -7.985948269870861E-8 8.05259906353311E-8 -2.377880476165337E-10
i -3.188700875274588E-16 1.004356433115309E-15 -3.199108546669289E-13 2.377538748341368E-10 -2.377880476165337E-10 1.543043802486922E-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 14.29   n/a MPO636572  
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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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
1942-Aug-28 09:37 00:02 Jupiter 1.9912799774534 1.99127965550689 1.99128029939991 2.94015942772045 2.79173883976154 2430599.900768393 1.52799222900824 45.2862639321944 12.3614598408631 89.2753370851361 4370056.51029641 T 26 CATAB v2.0g-lin.ifort 2021-Aug-25 00:15:44 2021-Aug-25 00:15
1977-Aug-08 15:03 < 00:01 Jupiter 1.97963665446253 1.97963633801001 1.97963697091505 3.07246544275467 2.92989907141922 2443364.127366743 0.786779318794353 44.3251639419485 10.3284892089232 -87.9672657164137 3987900.70007506 T 26 CATAB v2.0g-lin.ifort 2021-Aug-25 00:15:44 2021-Aug-25 00:15
2143-Oct-29 19:32 00:03 Jupiter 1.98793652789761 1.98793621458062 1.9879368412146 3.07672978813534 2.93497932848125 2504076.313714975 2.79842591242223 61.3062406623359 10.6583378957313 88.485294247215 3662869.75173309 T 26 CATAB v2.0g-lin.ifort 2021-Aug-25 00:15:44 2021-Aug-25 00:15

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