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487369 (2014 QQ255)
Classification: Main-belt Asteroid          SPK-ID: 2487369
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05458622452755543 9.1609e-08  
a 2.939140780598922 5.0046e-08 au
q 2.778704182031055 2.6626e-07 au
i 9.697477408109417 5.0884e-06 deg
node 88.09832727219289 7.5128e-05 deg
peri 57.49041854812392 0.00011536 deg
M 343.3587808972803 8.7741e-05 deg
tp 2459481.576898215196
(2021-Sep-24.07689822)
0.00044922 TDB
period 1840.471131857461
5.04
4.7008e-05
1.287e-07
d
yr
n .1956020900130483 4.9959e-09 deg/d
Q 3.09957737916679 5.2778e-08 au
  Orbit Determination Parameters
   # obs. used (total)      119  
   data-arc span      5514 days (15.10 yr)  
   first obs. used      2005-11-30  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59496  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 17:21:08  

Additional Information
 Earth MOID = 1.80685 au 
 Jupiter MOID = 1.97196 au 
 T_jup = 3.250 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457636.5 (2016-Sep-05.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05310318386660062 9.4901e-08  
q 2.782672794041417 2.7621e-07 au
tp 2457653.237390048475
(2016-Sep-21.73739005)
0.00043281 TDB
node 88.1934123644175 7.5253e-05 deg
peri 59.75381072143725 0.00011469 deg
i 9.689876456669584 5.0827e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      119  
   data-arc span      5514 days (15.10 yr)  
   first obs. used      2005-11-30  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59496  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 17:21:08  

Additional Information
 Jupiter MOID = 1.97196 au 
 T_jup = 3.250 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.006266526218337E-15 -2.583358063681525E-14 3.05293762114853E-11 -1.559034963613916E-13 6.216738477544268E-12 -7.091890418584942E-17
q -2.583358063681525E-14 7.62924839024006E-14 -8.593872592923499E-11 4.44330343667201E-13 -1.752277843155593E-11 4.313444233091076E-15
tp 3.05293762114853E-11 -8.593872592923499E-11 1.873240417871666E-7 -8.113340090826921E-10 3.78120472415934E-8 -2.052660766107766E-12
node -1.559034963613916E-13 4.44330343667201E-13 -8.113340090826921E-10 5.662968842973898E-9 -5.742698006262404E-9 -8.87828211568213E-11
peri 6.216738477544268E-12 -1.752277843155593E-11 3.78120472415934E-8 -5.742698006262404E-9 1.315379649530292E-8 8.710381297594369E-11
i -7.091890418584942E-17 4.313444233091076E-15 -2.052660766107766E-12 -8.87828211568213E-11 8.710381297594369E-11 2.583352279853052E-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 16.40   n/a MPCxxxxx  

487369 (2014 QQ255)          Discovered 2005-Nov-30 by Spacewatch at Kitt Peak
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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