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(2004 MA7)
Classification: Mars-crossing Asteroid          SPK-ID: 3184488
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5008142416154474 4.4233e-08  
a 2.672826620125398 1.4742e-08 au
q 1.334236983397717 1.2184e-07 au
i 26.30711873670019 6.9505e-06 deg
node 175.8144169856871 1.1295e-05 deg
peri 79.88420224818526 1.6116e-05 deg
M 333.3709168652684 4.8092e-06 deg
tp 2459514.561506773803
(2021-Oct-27.06150677)
2.1905e-05 TDB
period 1596.079828341317
4.37
1.3205e-05
3.615e-08
d
yr
n .2255526281377294 1.8661e-09 deg/d
Q 4.011416256853078 2.2126e-08 au
  Orbit Determination Parameters
   # obs. used (total)      535  
   data-arc span      6132 days (16.79 yr)  
   first obs. used      2004-06-24  
   last obs. used      2021-04-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46355  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:55:28  

Additional Information
 Earth MOID = .560504 au 
 Jupiter MOID = 1.98718 au 
 T_jup = 3.059 
[ show covariance matrix ]

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 17.68   n/a E2021N14  

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1905-Apr-01 19:39 00:02 Jupiter 1.95527676863806 1.95527578607269 1.95527775120609 6.96335124703551 6.90085966036562 2416937.319090425 1.95716835864978 371.230851913538 45.6811840107209 -87.6158465785001 2231067.2634875 T 33 CATAB v2.0g-lin.ifort 2021-May-04 13:55:30 2021-May-04 13:55
1988-Feb-24 17:23 < 00:01 Jupiter 1.98223261909017 1.98223156723984 1.98223367094342 6.78771732905286 6.72446963678529 2447216.224149217 0.690630568509791 166.990711054769 32.6267126348993 -75.8776152420734 2250666.92582798 T 33 CATAB v2.0g-lin.ifort 2021-May-04 13:55:30 2021-May-04 13:55
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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