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102095 (1999 RK156)
Classification: Main-belt Asteroid          SPK-ID: 2102095
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1874234279801392 3.066e-08  
a 2.450864741705723 9.2219e-09 au
q 1.991515270299578 7.2684e-08 au
i 2.342086595311426 4.1069e-06 deg
node 273.4266133162898 8.326e-05 deg
peri 141.1534085846508 8.4331e-05 deg
M 143.9130722986323 1.4444e-05 deg
tp 2458640.258615046623
(2019-Jun-05.75861505)
5.4288e-05 TDB
period 1401.449467805799
3.84
7.9099e-06
2.166e-08
d
yr
n .2568769037128678 1.4498e-09 deg/d
Q 2.910214213111868 1.095e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1278  
   data-arc span      7895 days (21.62 yr)  
   first obs. used      1999-08-08  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49464  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:34:23  

Additional Information
 Earth MOID = 1.00294 au 
 Jupiter MOID = 2.44611 au 
 T_jup = 3.470 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457258.5 (2015-Aug-24.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1855022355955502 3.051e-08  
q 1.997002738741649 7.2159e-08 au
tp 2457236.781865607194
(2015-Aug-02.28186561)
5.0945e-05 TDB
node 273.6408151082632 8.332e-05 deg
peri 140.7886332495536 8.4424e-05 deg
i 2.339387280570228 4.1076e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1278  
   data-arc span      7895 days (21.62 yr)  
   first obs. used      1999-08-08  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49464  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:34:23  

Additional Information
 Jupiter MOID = 2.44611 au 
 T_jup = 3.470 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.308339341104105E-16 -2.1911771669469E-15 6.218485698837251E-13 -1.562038538864072E-15 1.461540808744839E-13 -5.965342150144036E-17
q -2.1911771669469E-15 5.206887690956742E-15 -1.331989579775532E-12 4.460750313165067E-15 -3.098463098027383E-13 1.92046782186125E-16
tp 6.218485698837251E-13 -1.331989579775532E-12 2.59538606318644E-9 -1.83582692314196E-12 7.033185936543182E-10 -2.712755796400749E-13
node -1.562038538864072E-15 4.460750313165067E-15 -1.83582692314196E-12 6.942158674605817E-9 -6.936381515747635E-9 1.148307497493373E-10
peri 1.461540808744839E-13 -3.098463098027383E-13 7.033185936543182E-10 -6.936381515747635E-9 7.127418603894686E-9 -1.148089867640636E-10
i -5.965342150144036E-17 1.92046782186125E-16 -2.712755796400749E-13 1.148307497493373E-10 -1.148089867640636E-10 1.687256663479151E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.18   n/a E2021B55  

102095 (1999 RK156)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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