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15712 (1989 RN2)
Classification: Main-belt Asteroid          SPK-ID: 2015712
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2057649040823604 3.6122e-08  
a 3.184778210682688 1.8062e-08 au
q 2.529462627637974 1.1787e-07 au
i 11.22266194210155 4.6986e-06 deg
node 349.0171676179737 2.0789e-05 deg
peri 320.2572726348114 2.3724e-05 deg
M 177.6534155078123 1.2859e-05 deg
tp 2457976.055871863002
(2017-Aug-10.55587186)
7.2005e-05 TDB
period 2075.951566003533
5.68
1.766e-05
4.835e-08
d
yr
n .1734144504599619 1.4752e-09 deg/d
Q 3.840093793727403 2.1778e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1810  
   data-arc span      11369 days (31.13 yr)  
   first obs. used      1989-09-01  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47889  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:31:50  

Additional Information
 Earth MOID = 1.52754 au 
 Jupiter MOID = 1.55906 au 
 T_jup = 3.136 
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Orbital Elements at Epoch 2456801.5 (2014-May-24.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2035952776056613 3.586e-08  
q 2.545031685526295 1.1613e-07 au
tp 2455878.615651191039
(2011-Nov-13.11565119)
6.9814e-05 TDB
node 349.386249301824 2.1024e-05 deg
peri 317.9092108821021 2.3805e-05 deg
i 11.13876984060004 4.6659e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1810  
   data-arc span      11369 days (31.13 yr)  
   first obs. used      1989-09-01  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47889  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:31:50  

Additional Information
 Jupiter MOID = 1.55906 au 
 T_jup = 3.136 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.285938414685935E-15 -4.130543451530271E-15 3.768773382701862E-13 9.929702704976742E-15 2.834106248429602E-14 3.3474671315842E-15
q -4.130543451530271E-15 1.348541302192966E-14 -1.063563566701555E-12 -3.958696743727347E-14 -4.262036899002145E-14 -1.600332806529503E-14
tp 3.768773382701862E-13 -1.063563566701555E-12 4.873954906777386E-9 3.490347451005371E-11 7.84738560292034E-10 4.748765067582779E-12
node 9.929702704976742E-15 -3.958696743727347E-14 3.490347451005371E-11 4.420166257603791E-10 -4.303787014245568E-10 1.373868120868486E-11
peri 2.834106248429602E-14 -4.262036899002145E-14 7.84738560292034E-10 -4.303787014245568E-10 5.666693450793191E-10 -1.369772150184647E-11
i 3.3474671315842E-15 -1.600332806529503E-14 4.748765067582779E-12 1.373868120868486E-11 -1.369772150184647E-11 2.177086464187104E-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 13.0   n/a MPO384890  
diameter diameter 16.99 km 1.1 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 4
geometric albedo albedo 0.0386   0.005 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 4

15712 (1989 RN2)          Discovered 1989-Sep-01 by Gilmore, A. C., Kilmartin, P. M. at Lake Tekapo
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1989 RN2 = 1999 FY31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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