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392440 (2010 RH120)
Classification: Main-belt Asteroid          SPK-ID: 2392440
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1455643590813644 5.9465e-08  
a 3.024203179992611 3.3386e-08 au
q 2.583986982365163 1.9163e-07 au
i 10.26915792170213 5.2892e-06 deg
node 220.492475368488 2.8405e-05 deg
peri 92.64022491089166 3.6578e-05 deg
M 339.3842809084409 1.9482e-05 deg
tp 2459110.504604159894
(2020-Sep-18.00460416)
0.00010397 TDB
period 1920.944756847041
5.26
3.181e-05
8.709e-08
d
yr
n .1874077839650574 3.1034e-09 deg/d
Q 3.46441937762006 3.8246e-08 au
  Orbit Determination Parameters
   # obs. used (total)      256  
   data-arc span      5392 days (14.76 yr)  
   first obs. used      2005-09-26  
   last obs. used      2020-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50152  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:25:19  

Additional Information
 Earth MOID = 1.59644 au 
 Jupiter MOID = 1.89935 au 
 T_jup = 3.205 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457787.5 (2017-Feb-03.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1448840097105071 5.9819e-08  
q 2.583774732575025 1.9251e-07 au
tp 2457195.846730155490
(2015-Jun-22.34673016)
0.00010853 TDB
node 220.5252373798875 2.8368e-05 deg
peri 93.30215287187085 3.6532e-05 deg
i 10.27793107428841 5.2935e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      256  
   data-arc span      5392 days (14.76 yr)  
   first obs. used      2005-09-26  
   last obs. used      2020-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50152  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:25:19  

Additional Information
 Jupiter MOID = 1.89935 au 
 T_jup = 3.205 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.578281004123181E-15 -1.140420151366862E-14 3.187719387328113E-12 3.365351857559821E-15 7.519283547220211E-13 -1.413701095349955E-14
q -1.140420151366862E-14 3.705851337340613E-14 -1.051906907209145E-11 -7.511902174449594E-15 -2.426314491698758E-12 4.602023036013386E-14
tp 3.187719387328113E-12 -1.051906907209145E-11 1.177888489659961E-8 1.987620679480047E-13 2.515313765329834E-9 -1.528005194002173E-11
node 3.365351857559821E-15 -7.511902174449594E-15 1.987620679480047E-13 8.047695489801531E-10 -7.915374162717151E-10 -2.037737386496098E-11
peri 7.519283547220211E-13 -2.426314491698758E-12 2.515313765329834E-9 -7.915374162717151E-10 1.334597044333857E-9 1.671364705733556E-11
i -1.413701095349955E-14 4.602023036013386E-14 -1.528005194002173E-11 -2.037737386496098E-11 1.671364705733556E-11 2.802141859209018E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO476851  

392440 (2010 RH120)          Discovered 2010-Sep-08 by Cernis, K., Zdanavicius, J. at Moletai
Reference: Last Updated: 2014-04-17

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Alternate Designations
 2010 RH120 = 2005 UO482 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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