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(2017 RJ16)
Classification: Mars-crossing Asteroid          SPK-ID: 3781590
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5426077145576939 4.8453e-06  
a 3.104289923745011 3.6996e-05 au
q 1.419878262897253 1.9678e-06 au
i 22.14217792248744 8.3273e-05 deg
node 41.37702549033626 4.9401e-05 deg
peri .8363919198270537 9.22e-05 deg
M 201.7267487558821 0.0036138 deg
tp 2460078.808048807257
(2023-May-14.30804881)
0.035755 TDB
period 1997.753221628872
5.47
0.035713
9.778e-05
d
yr
n .1802024374694655 3.2214e-06 deg/d
Q 4.788701584592769 5.707e-05 au
  Orbit Determination Parameters
   # obs. used (total)      47  
   data-arc span      123 days  
   first obs. used      2017-09-13  
   last obs. used      2018-01-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .44756  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 19:28:28  

Additional Information
 Earth MOID = .427665 au 
 Jupiter MOID = .649291 au 
 T_jup = 2.878 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458060.5 (2017-Nov-03.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5427094277678574 4.8144e-06  
q 1.42049183147918 2.1302e-06 au
tp 2458081.526323190469
(2017-Nov-24.02632319)
0.00014312 TDB
node 41.37848711075742 4.8889e-05 deg
peri .9022898275236602 9.2044e-05 deg
i 22.13778852906012 8.2406e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      47  
   data-arc span      123 days  
   first obs. used      2017-09-13  
   last obs. used      2018-01-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .44756  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 19:28:28  

Additional Information
 Jupiter MOID = .649291 au 
 T_jup = 2.878 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.317861689253591E-11 9.789741936994561E-12 2.601133497248116E-11 -1.760104664815395E-10 -3.586173945029666E-11 3.830464830239861E-10
q 9.789741936994561E-12 4.537688796314433E-12 -5.182591549723421E-11 -8.737994137620553E-11 -5.620710715234409E-11 1.706349007171728E-10
tp 2.601133497248116E-11 -5.182591549723421E-11 2.048193159412146E-8 2.361937315037307E-9 1.263190930986993E-8 -3.795400538109706E-10
node -1.760104664815395E-10 -8.737994137620553E-11 2.361937315037307E-9 2.390133167466694E-9 1.361032803975167E-9 -3.377378521593972E-9
peri -3.586173945029666E-11 -5.620710715234409E-11 1.263190930986993E-8 1.361032803975167E-9 8.472158596101505E-9 -9.716963932484455E-10
i 3.830464830239861E-10 1.706349007171728E-10 -3.795400538109706E-10 -3.377378521593972E-9 -9.716963932484455E-10 6.790706683482838E-9

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 19.7   n/a MPO435136  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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