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500170 (2012 FF25)
Classification: Main-belt Asteroid          SPK-ID: 2500170
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2511880040482606 8.8629e-08  
a 2.599541018242827 5.8968e-08 au
q 1.946567498428828 2.4666e-07 au
i 30.05547693766007 2.8115e-05 deg
node 356.7497734008942 1.3324e-05 deg
peri 282.9264678519313 5.2842e-05 deg
M 316.5526192776333 4.1458e-05 deg
tp 2459385.258546748490
(2021-Jun-19.75854675)
0.00017502 TDB
period 1530.888070203403
4.19
5.209e-05
1.426e-07
d
yr
n .2351576232168092 8.0015e-09 deg/d
Q 3.252514538056825 7.378e-08 au
  Orbit Determination Parameters
   # obs. used (total)      58  
   data-arc span      2036 days (5.57 yr)  
   first obs. used      2012-02-26  
   last obs. used      2017-09-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69847  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Oct-09 21:43:44  

Additional Information
 Earth MOID = 1.11699 au 
 Jupiter MOID = 2.52739 au 
 T_jup = 3.186 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457010.5 (2014-Dec-19.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2524681330555049 8.9137e-08  
q 1.942905881868441 2.4768e-07 au
tp 2456321.626313880686
(2013-Jan-29.12631388)
0.00021739 TDB
node 356.809787548434 1.3349e-05 deg
peri 282.7483169199469 5.2609e-05 deg
i 30.04273048628148 2.8109e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      58  
   data-arc span      2036 days (5.57 yr)  
   first obs. used      2012-02-26  
   last obs. used      2017-09-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69847  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Oct-09 21:43:44  

Additional Information
 Jupiter MOID = 2.52739 au 
 T_jup = 3.186 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.945327781401227E-15 -2.175965769752389E-14 1.510284284599627E-11 4.253036385890707E-14 3.584392570404132E-12 5.93588159390789E-14
q -2.175965769752389E-14 6.13445508238629E-14 -4.512458205306102E-11 -1.251957433018238E-13 -1.052616733883367E-11 -1.512305306618083E-13
tp 1.510284284599627E-11 -4.512458205306102E-11 4.725741242192544E-8 1.264421867372845E-10 1.104289419061901E-8 1.430407233294394E-10
node 4.253036385890707E-14 -1.251957433018238E-13 1.264421867372845E-10 1.781861892623164E-10 -1.236501569331607E-10 -1.900293968341796E-10
peri 3.584392570404132E-12 -1.052616733883367E-11 1.104289419061901E-8 -1.236501569331607E-10 2.767698335911754E-9 1.993232805855713E-10
i 5.93588159390789E-14 -1.512305306618083E-13 1.430407233294394E-10 -1.900293968341796E-10 1.993232805855713E-10 7.901391409154001E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.4   n/a MPO369156  

500170 (2012 FF25)          Discovered 2012-Feb-26 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2017-10-09

Alternate Designations
 2012 FF25 = 2013 SF16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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