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344412 (2002 AP171)
Classification: Main-belt Asteroid          SPK-ID: 2344412
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1241402016739774 8.9678e-08  
a 2.530944078440691 2.3414e-08 au
q 2.216752170117505 2.308e-07 au
i 3.45195550819422 5.9725e-06 deg
node 91.73806249418013 0.00010979 deg
peri 108.972012311018 0.00012155 deg
M 135.4476954513725 6.1365e-05 deg
tp 2458447.160885807969
(2018-Nov-24.66088581)
0.0002466 TDB
period 1470.693764447602
4.03
2.0408e-05
5.587e-08
d
yr
n .2447824344554949 3.3968e-09 deg/d
Q 2.845135986763878 2.6321e-08 au
  Orbit Determination Parameters
   # obs. used (total)      185  
   data-arc span      6870 days (18.81 yr)  
   first obs. used      2001-12-23  
   last obs. used      2020-10-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55755  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 17:02:51  

Additional Information
 Earth MOID = 1.21672 au 
 Jupiter MOID = 2.1151 au 
 T_jup = 3.437 
[ 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 16.8   n/a MPO437459  

344412 (2002 AP171)          Discovered 2002-Jan-14 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ 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
2102-Aug-11 06:55 00:01 Eunom 0.0442745038656332 0.0442551763594386 0.0442938439602574 7.55597008479172 7.55597004283032 2489021.788425660 1.16507454604078 1523.28177497008 65.5999228896633 50.8149859389605 78283.5617146839 T 8 CATAB v2.0f-lin.ifort 2020-Nov-11 17:02:51 2020-Nov-11 17:02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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