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487781 (2015 RP224)
Classification: Outer Main-belt Asteroid          SPK-ID: 2487781
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2041556344066517 4.8513e-08  
a 3.209670819240208 5.3064e-08 au
q 2.554398436901705 1.6635e-07 au
i 4.23523160505314 5.7806e-06 deg
node 92.70845573645062 0.0001022 deg
peri 344.6881365802008 0.00010722 deg
M 248.4976095355143 2.9178e-05 deg
tp 2459651.035266181898
(2022-Mar-12.53526618)
0.00017055 TDB
period 2100.337892756435
5.75
5.2086e-05
1.426e-07
d
yr
n .1714009927838536 4.2506e-09 deg/d
Q 3.86494320157871 6.3898e-08 au
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      4867 days (13.33 yr)  
   first obs. used      2004-12-14  
   last obs. used      2018-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50804  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-15 06:49:33  

Additional Information
 Earth MOID = 1.57015 au 
 Jupiter MOID = 1.409 au 
 T_jup = 3.155 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457195.5 (2015-Jun-22.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2035012060368144 4.3839e-08  
q 2.555991986382776 1.4393e-07 au
tp 2457523.976120868669
(2016-May-15.47612087)
0.00016737 TDB
node 92.97840981251856 0.00010345 deg
peri 341.2084904217848 0.00010844 deg
i 4.217609381572085 5.6946e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      4867 days (13.33 yr)  
   first obs. used      2004-12-14  
   last obs. used      2018-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50804  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-15 06:49:33  

Additional Information
 Jupiter MOID = 1.409 au 
 T_jup = 3.155 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.921831973068017E-15 -6.092557971586496E-15 4.037776026373672E-13 -3.613327121273885E-15 1.017385529551602E-13 -2.320701841343973E-15
q -6.092557971586496E-15 2.071503405351443E-14 -6.953417159533431E-14 1.75063809296023E-14 -1.366152294038641E-13 9.162835969960568E-15
tp 4.037776026373672E-13 -6.953417159533431E-14 2.801308323588184E-8 4.64450146849417E-10 5.549281343700113E-9 1.763662730681153E-11
node -3.613327121273885E-15 1.75063809296023E-14 4.64450146849417E-10 1.070237074632434E-8 -1.057312557176981E-8 1.35261829008923E-10
peri 1.017385529551602E-13 -1.366152294038641E-13 5.549281343700113E-9 -1.057312557176981E-8 1.175824540636455E-8 -1.311642157642424E-10
i -2.320701841343973E-15 9.162835969960568E-15 1.763662730681153E-11 1.35261829008923E-10 -1.311642157642424E-10 3.242869964921579E-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 16.6   n/a MPO446847  

487781 (2015 RP224)          Discovered 2004-Dec-14 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

[ show close-approach data ]
Alternate Designations
 2015 RP224 = 2004 XY140 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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