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487780 (2015 RG224)
Classification: Main-belt Asteroid          SPK-ID: 2487780
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2142703693272101 5.7825e-08  
a 2.998422741344349 5.6149e-08 au
q 2.355949593157389 1.9646e-07 au
i 3.849118218869079 6.0936e-06 deg
node 108.2779366595593 0.00020593 deg
peri 334.3967346341851 0.00021561 deg
M 276.2132234740725 6.5251e-05 deg
tp 2459441.878021066919
(2021-Aug-15.37802107)
0.00035378 TDB
period 1896.433950229858
5.19
5.3269e-05
1.458e-07
d
yr
n .1898299700637431 5.3322e-09 deg/d
Q 3.640895889531308 6.818e-08 au
  Orbit Determination Parameters
   # obs. used (total)      120  
   data-arc span      5433 days (14.87 yr)  
   first obs. used      2005-12-01  
   last obs. used      2020-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54444  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:24:51  

Additional Information
 Earth MOID = 1.37268 au 
 Jupiter MOID = 1.60974 au 
 T_jup = 3.215 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458020.5 (2017-Sep-24.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2097118638240113 5.833e-08  
q 2.376308540343932 2.0104e-07 au
tp 2457532.394007372800
(2016-May-23.89400737)
0.00033405 TDB
node 108.5510413863376 0.00020778 deg
peri 333.0218413446185 0.00021842 deg
i 3.8314891341788 6.0392e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      120  
   data-arc span      5433 days (14.87 yr)  
   first obs. used      2005-12-01  
   last obs. used      2020-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54444  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:24:51  

Additional Information
 Jupiter MOID = 1.60974 au 
 T_jup = 3.215 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.402384087948818E-15 -1.146734578169471E-14 -7.15193668233779E-12 -1.623002910302046E-13 -1.258936783120576E-12 -1.481168155674568E-14
q -1.146734578169471E-14 4.041889874255851E-14 3.395176978511031E-11 7.700208337021551E-13 6.323112224027262E-12 6.74075838346267E-14
tp -7.15193668233779E-12 3.395176978511031E-11 1.115881756467129E-7 2.204817342892244E-9 2.293503499053747E-8 1.844449034955579E-10
node -1.623002910302046E-13 7.700208337021551E-13 2.204817342892244E-9 4.317392388506431E-8 -4.259048824703279E-8 7.187995843916866E-10
peri -1.258936783120576E-12 6.323112224027262E-12 2.293503499053747E-8 -4.259048824703279E-8 4.770580994851426E-8 -6.759870577808265E-10
i -1.481168155674568E-14 6.74075838346267E-14 1.844449034955579E-10 7.187995843916866E-10 -6.759870577808265E-10 3.647200578974598E-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 17.1   n/a MPO409262  

487780 (2015 RG224)          Discovered 2010-Oct-12 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14

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