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317367 (2002 NX57)
Classification: Main-belt Asteroid          SPK-ID: 2317367
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2007921312627076 4.5385e-08  
a 2.351472101062981 9.885e-09 au
q 1.879315006285748 1.0814e-07 au
i 3.000626664726578 5.3005e-06 deg
node 132.9071888291859 9.8661e-05 deg
peri 167.8609331641971 9.9897e-05 deg
M 93.9606744932054 1.327e-05 deg
tp 2459052.742804578863
(2020-Jul-22.24280458)
4.8515e-05 TDB
period 1317.067922501538
3.61
8.3049e-06
2.274e-08
d
yr
n .2733344225074159 1.7235e-09 deg/d
Q 2.823629195840214 1.187e-08 au
  Orbit Determination Parameters
   # obs. used (total)      186  
   data-arc span      6680 days (18.29 yr)  
   first obs. used      2002-07-04  
   last obs. used      2020-10-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53791  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:49:46  

Additional Information
 Earth MOID = .863426 au 
 Jupiter MOID = 2.40146 au 
 T_jup = 3.528 
[ 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 17.73   n/a E2021B25  

317367 (2002 NX57)          Discovered 2002-Jul-14 by NEAT at Palomar
Reference: 20120308/Numbers.arcLast Updated: 2012-03-13

[ 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
1928-Aug-11 17:25 00:09 Europ 0.0371576496035267 0.0371524662053345 0.0371628333079773 3.16805834538863 3.16805825510057 2425470.225524097 9.3150431894294 309.391611831432 43.7641672716623 -33.8201285630947 72174.6308058867 T 12 CATAB v2.0f-lin.ifort 2021-Apr-14 06:49:47 2021-Apr-14 06:49
2004-Dec-19 10:32 < 00:01 Amphi 0.0488596284852246 0.0488579919077709 0.048861265108897 4.88868099773558 4.88868097366807 2453358.938648614 0.652849444449416 129.856723909603 54.746241049989 59.0932397497008 118104.276346968 T 12 CATAB v2.0f-lin.ifort 2021-Apr-14 06:49:47 2021-Apr-14 06:49
2011-Feb-11 23:33 00:03 Psych 0.0405013907365789 0.0404997645646604 0.0405030169189714 1.9774165042618 1.97741635318941 2455604.481178413 3.33228408311695 90.4864800015849 49.1237661865408 32.432922809101 86684.9152540489 T 12 CATAB v2.0f-lin.ifort 2021-Apr-14 06:49:47 2021-Apr-14 06:49
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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