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295465 (2008 QQ1)
Classification: Main-belt Asteroid          SPK-ID: 2295465
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1189523486176698 9.5881e-08  
a 2.870582216032151 3.3795e-08 au
q 2.529119719535012 2.6918e-07 au
i 4.459023981247727 8.7943e-06 deg
node 16.30791614289777 8.0103e-05 deg
peri 334.7820198986772 8.3695e-05 deg
M 218.3200687249675 2.6278e-05 deg
tp 2460095.632109257462
(2023-May-31.13210926)
0.00013512 TDB
period 1776.451732208313
4.86
3.1371e-05
8.589e-08
d
yr
n .2026511576267163 3.5787e-09 deg/d
Q 3.21204471252929 3.7815e-08 au
  Orbit Determination Parameters
   # obs. used (total)      220  
   data-arc span      8770 days (24.01 yr)  
   first obs. used      1997-04-15  
   last obs. used      2021-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54824  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 05:37:34  

Additional Information
 Earth MOID = 1.52356 au 
 Jupiter MOID = 2.2099 au 
 T_jup = 3.283 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457493.5 (2016-Apr-15.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1170133198372194 9.5692e-08  
q 2.538391554958781 2.6754e-07 au
tp 2458315.769075044785
(2018-Jul-16.26907504)
0.00012603 TDB
node 16.34257638683881 8.0077e-05 deg
peri 333.9696894675586 8.3818e-05 deg
i 4.459143957864641 8.7914e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      220  
   data-arc span      8770 days (24.01 yr)  
   first obs. used      1997-04-15  
   last obs. used      2021-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54824  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 05:37:34  

Additional Information
 Jupiter MOID = 2.2099 au 
 T_jup = 3.283 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.156966554616177E-15 -2.545149219169141E-14 2.113570688961008E-12 -8.677907954033298E-15 9.994669979770152E-14 6.066434694021429E-15
q -2.545149219169141E-14 7.158031930862973E-14 -5.025604255816224E-12 2.271175874340085E-14 -1.929428966923947E-13 -1.689795144032469E-14
tp 2.113570688961008E-12 -5.025604255816224E-12 1.588400729157731E-8 9.091713068484782E-12 3.108610552459897E-9 -5.480637891834851E-12
node -8.677907954033298E-15 2.271175874340085E-14 9.091713068484782E-12 6.412390105993571E-9 -6.390206939713525E-9 -1.900797011230393E-10
peri 9.994669979770152E-14 -1.929428966923947E-13 3.108610552459897E-9 -6.390206939713525E-9 7.025380201880658E-9 1.881565563629547E-10
i 6.066434694021429E-15 -1.689795144032469E-14 -5.480637891834851E-12 -1.900797011230393E-10 1.881565563629547E-10 7.728788219556949E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.34   n/a E2021B55  

295465 (2008 QQ1)          Discovered 2008-Aug-23 by La Sagra at La Sagra
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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