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JPL Small-Body Database Browser
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(2015 RD2)
Classification: Amor [NEO]          SPK-ID: 3726785
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3927633182258301 1.1718e-07  
a 1.745417706337413 1.6641e-08 au
q 1.059881656306213 2.0591e-07 au
i 14.66846235578097 8.6768e-06 deg
node 121.0299458781236 2.985e-05 deg
peri 315.6044568343263 3.4229e-05 deg
M 327.9458296595885 2.5777e-05 deg
tp 2459075.494520488999
(2020-Aug-13.99452049)
6.0917e-05 TDB
period 842.2625539617333
2.31
1.2045e-05
3.298e-08
d
yr
n .427420165252124 6.1127e-09 deg/d
Q 2.430953756368613 2.3177e-08 au
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      9745 days (26.68 yr)  
   first obs. used      1992-10-22  
   last obs. used      2019-06-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49865  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Aug-12 05:32:44  

Additional Information
 Earth MOID = .135037 au 
 Jupiter MOID = 2.88883 au 
 T_jup = 4.012 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457374.5 (2015-Dec-18.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3926091471998921 1.1722e-07  
q 1.060205857858761 2.0616e-07 au
tp 2457390.364874650094
(2016-Jan-02.86487465)
5.1014e-05 TDB
node 121.0936086517626 2.989e-05 deg
peri 315.4500423036233 3.427e-05 deg
i 14.65805783479799 8.6719e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      9745 days (26.68 yr)  
   first obs. used      1992-10-22  
   last obs. used      2019-06-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49865  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Aug-12 05:32:44  

Additional Information
 Jupiter MOID = 2.88883 au 
 T_jup = 4.012 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.373951986169815E-14 -2.413641654330635E-14 -4.538455513364311E-12 3.483108010847557E-13 -1.212311948940478E-12 -1.729231627180655E-13
q -2.413641654330635E-14 4.250183492694728E-14 8.04237317408792E-12 -6.150497052967377E-13 2.15259818482424E-12 3.066340618793019E-13
tp -4.538455513364311E-12 8.04237317408792E-12 2.602408095369392E-9 -1.836704864425279E-10 8.748518721363837E-10 1.059570481221949E-10
node 3.483108010847557E-13 -6.150497052967377E-13 -1.836704864425279E-10 8.934324440474967E-10 -9.138230953324105E-10 -2.83402250082658E-11
peri -1.212311948940478E-12 2.15259818482424E-12 8.748518721363837E-10 -9.138230953324105E-10 1.174450140158636E-9 5.48584973010494E-11
i -1.729231627180655E-13 3.066340618793019E-13 1.059570481221949E-10 -2.83402250082658E-11 5.48584973010494E-11 7.520218367917242E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 19.4   n/a MPO369261  

[ show close-approach data ]
Alternate Designations
 2015 RD2 = 1992 UJ8 = 2015 PJ290 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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