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78411 (2002 QG28)
Classification: Main-belt Asteroid          SPK-ID: 2078411
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08595829249420671 4.0899e-08  
a 2.309669439083026 7.4129e-09 au
q 2.111134197873397 9.4481e-08 au
i 1.220140340161558 3.6305e-06 deg
node 328.6982291102643 0.00020858 deg
peri 100.6163499440757 0.00021051 deg
M 358.3124174350394 2.6083e-05 deg
tp 2459206.510155351432
(2020-Dec-23.01015535)
9.2887e-05 TDB
period 1282.10374498979
3.51
6.1724e-06
1.69e-08
d
yr
n .2807885098275466 1.3518e-09 deg/d
Q 2.508204680292655 8.0501e-09 au
  Orbit Determination Parameters
   # obs. used (total)      711  
   data-arc span      22029 days (60.31 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56271  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:15:01  

Additional Information
 Earth MOID = 1.12512 au 
 Jupiter MOID = 2.68326 au 
 T_jup = 3.580 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457387.5 (2015-Dec-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08635178212869694 4.1221e-08  
q 2.11012754270739 9.5272e-08 au
tp 2457921.051204821675
(2017-Jun-16.55120482)
9.2974e-05 TDB
node 328.8488050950098 0.00020868 deg
peri 99.66923746974072 0.00021058 deg
i 1.219887724284863 3.6306e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      711  
   data-arc span      22029 days (60.31 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56271  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:15:01  

Additional Information
 Jupiter MOID = 2.68326 au 
 T_jup = 3.580 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.699170127749276E-15 -3.917331148915094E-15 -1.352514043400059E-12 -1.830969212830084E-14 -4.165010944256246E-13 -9.553909438744566E-16
q -3.917331148915094E-15 9.076795978096916E-15 3.018539202644791E-12 4.180202998914532E-14 9.246417776292469E-13 2.233643047637845E-15
tp -1.352514043400059E-12 3.018539202644791E-12 8.644198521464453E-9 1.638066896410147E-11 2.638184759248769E-9 8.342072518679978E-13
node -1.830969212830084E-14 4.180202998914532E-14 1.638066896410147E-11 4.354813382420697E-8 -4.353290099938094E-8 1.072441305543791E-10
peri -4.165010944256246E-13 9.246417776292469E-13 2.638184759248769E-9 -4.353290099938094E-8 4.434205763500372E-8 -1.069629177691016E-10
i -9.553909438744566E-16 2.233643047637845E-15 8.342072518679978E-13 1.072441305543791E-10 -1.069629177691016E-10 1.318093006995112E-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 16.5   n/a MPO337846  

78411 (2002 QG28)          Discovered 2002-Aug-28 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 QG28 = 6300 P-L 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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