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70250 (1999 RF84)
Classification: Main-belt Asteroid          SPK-ID: 2070250
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1001469911648021 4.2667e-08  
a 2.523499830628448 9.251e-09 au
q 2.270778915386121 1.0648e-07 au
i 1.863465937468636 5.319e-06 deg
node 178.7441230401039 9.4934e-05 deg
peri 137.8453877259862 9.7756e-05 deg
M 188.1138965572962 2.3063e-05 deg
tp 2460095.603719065232
(2023-May-31.10371907)
9.5114e-05 TDB
period 1464.20992635613
4.01
8.0515e-06
2.204e-08
d
yr
n .2458663839931103 1.352e-09 deg/d
Q 2.776220745870774 1.0177e-08 au
  Orbit Determination Parameters
   # obs. used (total)      758  
   data-arc span      9363 days (25.63 yr)  
   first obs. used      1995-09-19  
   last obs. used      2021-05-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56212  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:43:41  

Additional Information
 Earth MOID = 1.25704 au 
 Jupiter MOID = 2.45087 au 
 T_jup = 3.447 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457020.5 (2014-Dec-29.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1013969863321644 4.2775e-08  
q 2.2669506255658 1.0692e-07 au
tp 2457168.657173143358
(2015-May-26.15717314)
8.9462e-05 TDB
node 178.7911986808034 9.4908e-05 deg
peri 138.0260042735057 9.7666e-05 deg
i 1.863283659993453 5.3225e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      758  
   data-arc span      9363 days (25.63 yr)  
   first obs. used      1995-09-19  
   last obs. used      2021-05-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56212  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:43:41  

Additional Information
 Jupiter MOID = 2.45087 au 
 T_jup = 3.447 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.829690403766944E-15 -4.560306255474835E-15 2.105678890488341E-12 -7.745397610212636E-15 5.208941827484634E-13 9.308970804359921E-16
q -4.560306255474835E-15 1.143249253823748E-14 -5.177545055452875E-12 1.893640368595752E-14 -1.282953794647032E-12 -2.243743581008108E-15
tp 2.105678890488341E-12 -5.177545055452875E-12 8.003400009773284E-9 -2.48513555465995E-11 2.06653903958273E-9 9.394339518668408E-13
node -7.745397610212636E-15 1.893640368595752E-14 -2.48513555465995E-11 9.007512938186532E-9 -9.008603751789255E-9 3.447017488415291E-12
peri 5.208941827484634E-13 -1.282953794647032E-12 2.06653903958273E-9 -9.008603751789255E-9 9.538670534393415E-9 -3.208221279595774E-12
i 9.308970804359921E-16 -2.243743581008108E-15 9.394339518668408E-13 3.447017488415291E-12 -3.208221279595774E-12 2.832906916896568E-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 15.9   n/a MPO432255  

70250 (1999 RF84)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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