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(2002 RQ28)
Classification: Outer Main-belt Asteroid          SPK-ID: 3137717
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5611087790003253 0.0005846  
a 3.732305489026923 0.0052637 au
q 1.638076113222814 0.00012929 au
i 9.28373587729676 0.0088413 deg
node 159.258668411487 0.0088026 deg
peri 209.8190153953377 0.020167 deg
M 190.2164918450373 1.9166 deg
tp 2460442.601837705474
(2024-May-12.10183771)
16.649 TDB
period 2633.687255218259
7.21
5.5715
0.01525
d
yr
n .136690489459868 0.00028917 deg/d
Q 5.826534864831032 0.0082173 au
  Orbit Determination Parameters
   # obs. used (total)      41  
   data-arc span      35 days  
   first obs. used      2002-08-28  
   last obs. used      2002-10-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .61465  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 21:30:23  

Additional Information
 Earth MOID = .642816 au 
 Jupiter MOID = .0433669 au 
 T_jup = 2.778 
[ hide covariance matrix ]
Orbital Elements at Epoch 2452528.5 (2002-Sep-11.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5682269582991761 0.00049422  
q 1.594750296444289 0.00053235 au
tp 2452560.946371003678
(2002-Oct-13.44637100)
0.012306 TDB
node 159.4820261287595 0.0040278 deg
peri 209.4173730046207 0.015186 deg
i 9.344749285800477 0.0080574 deg
  Orbit Determination Parameters
   # obs. used (total)      41  
   data-arc span      35 days  
   first obs. used      2002-08-28  
   last obs. used      2002-10-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .61465  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 21:30:23  

Additional Information
 Jupiter MOID = .0433669 au 
 T_jup = 2.778 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.442487919995975E-7 2.621514858215255E-7 -2.743502419076516E-6 1.982190048069259E-6 -6.514851144726233E-6 3.972847564371398E-6
q 2.621514858215255E-7 2.833935729430308E-7 -3.430407034565848E-6 2.142213244311048E-6 -7.327363809221685E-6 4.287952851589844E-6
tp -2.743502419076516E-6 -3.430407034565848E-6 .0001514382429762649 -2.578576979542225E-5 .0001559285071113575 -5.029218083873954E-5
node 1.982190048069259E-6 2.142213244311048E-6 -2.578576979542225E-5 1.622328478571648E-5 -5.532931969678573E-5 3.243562362684899E-5
peri -6.514851144726233E-6 -7.327363809221685E-6 .0001559285071113575 -5.532931969678573E-5 .0002306114146647508 -.0001099021043955407
i 3.972847564371398E-6 4.287952851589844E-6 -5.029218083873954E-5 3.243562362684899E-5 -.0001099021043955407 6.492154243160083E-5

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.5   n/a MPO62400  

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