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215461 (2002 QB30)
Classification: Main-belt Asteroid          SPK-ID: 2215461
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 .2332019495309238 5.1384e-08  
a 2.398669651191436 1.1836e-08 au
q 1.839295212252932 1.2399e-07 au
i 2.85136496201298 4.7546e-06 deg
node 86.51876635408888 0.00012945 deg
peri 248.5843076397846 0.00012996 deg
M 276.2392495094786 1.1852e-05 deg
tp 2459316.212768445930
(2021-Apr-11.71276845)
4.5512e-05 TDB
period 1356.919511524633
3.72
1.0043e-05
2.75e-08
d
yr
n .2653068195588879 1.9637e-09 deg/d
Q 2.958044090129941 1.4596e-08 au
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      6526 days (17.87 yr)  
   first obs. used      2002-08-11  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68169  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 03:41:45  

Additional Information
 Earth MOID = .831815 au 
 Jupiter MOID = 2.42556 au 
 T_jup = 3.488 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457843.5 (2017-Mar-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2325248538789253 5.142e-08  
q 1.841218866298717 1.2401e-07 au
tp 2457959.365272710494
(2017-Jul-24.86527271)
4.2908e-05 TDB
node 86.52180866107079 0.00012943 deg
peri 248.6556527484977 0.00012995 deg
i 2.851287706825195 4.7544e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      6526 days (17.87 yr)  
   first obs. used      2002-08-11  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68169  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 03:41:45  

Additional Information
 Jupiter MOID = 2.42556 au 
 T_jup = 3.488 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.644027052622734E-15 -6.359547059030341E-15 9.664428426555456E-13 3.676735652632482E-14 2.627330119686657E-13 -6.767750757041699E-15
q -6.359547059030341E-15 1.537919351514563E-14 -2.252429342610912E-12 -8.582196552000304E-14 -6.19519398920213E-13 1.63940412827066E-14
tp 9.664428426555456E-13 -2.252429342610912E-12 1.841109713740967E-9 3.21941360022617E-11 5.448501392642972E-10 -3.705740750790084E-12
node 3.676735652632482E-14 -8.582196552000304E-14 3.21941360022617E-11 1.675283851491309E-8 -1.672223298929915E-8 -1.700892543349588E-10
peri 2.627330119686657E-13 -6.19519398920213E-13 5.448501392642972E-10 -1.672223298929915E-8 1.688696635486809E-8 1.686899844830527E-10
i -6.767750757041699E-15 1.63940412827066E-14 -3.705740750790084E-12 -1.700892543349588E-10 1.686899844830527E-10 2.260449110340362E-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 17.8   n/a MPO427267  

215461 (2002 QB30)          Discovered 2002-Aug-29 by NEAT at Palomar
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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