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220027 (2002 QJ57)
Classification: Main-belt Asteroid          SPK-ID: 2220027
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2176485697194908 5.7229e-08  
a 2.289705006407216 1.2082e-08 au
q 1.791353986683128 1.3127e-07 au
i 2.121856568925912 6.6975e-06 deg
node 311.2826828656698 0.000179 deg
peri 314.961115695639 0.00018025 deg
M 90.68737855244592 1.6772e-05 deg
tp 2458681.704578958802
(2019-Jul-17.20457896)
5.9489e-05 TDB
period 1265.516253824232
3.46
1.0016e-05
2.742e-08
d
yr
n .2844688868373875 2.2515e-09 deg/d
Q 2.788056026131304 1.4711e-08 au
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      7811 days (21.39 yr)  
   first obs. used      1998-04-01  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67344  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:06:07  

Additional Information
 Earth MOID = .776233 au 
 Jupiter MOID = 2.30767 au 
 T_jup = 3.567 
[ show covariance matrix ]

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 17.2   n/a MPO475800  

220027 (2002 QJ57)          Discovered 2002-Aug-17 by Lowe, A. at Palomar
Reference: 20091004/Numbers.arcLast Updated: 2009-10-06

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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