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15743 (1991 ND7)
Classification: Main-belt Asteroid          SPK-ID: 2015743
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04573732136257559 3.5976e-08  
a 2.706483136871813 1.0763e-08 au
q 2.582695847878315 9.8731e-08 au
i 2.796837721740939 3.8702e-06 deg
node 155.1007263355717 7.2693e-05 deg
peri 161.91154814418 8.3405e-05 deg
M 154.9713184404192 4.1911e-05 deg
tp 2458300.407794847373
(2018-Jun-30.90779485)
0.0001888 TDB
period 1626.321543827112
4.45
9.7008e-06
2.656e-08
d
yr
n .22135844007381 1.3204e-09 deg/d
Q 2.83027042586531 1.1255e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1959  
   data-arc span      15404 days (42.17 yr)  
   first obs. used      1978-09-02  
   last obs. used      2020-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52253  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:00:50  

Additional Information
 Earth MOID = 1.5693 au 
 Jupiter MOID = 2.29469 au 
 T_jup = 3.362 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456456.5 (2013-Jun-13.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04760794404776911 3.6087e-08  
q 2.577379880077551 9.9255e-08 au
tp 2456667.399174850325
(2014-Jan-09.89917485)
0.00018027 TDB
node 155.1395987099577 7.2654e-05 deg
peri 160.3488968264969 8.2562e-05 deg
i 2.796389532021519 3.8734e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1959  
   data-arc span      15404 days (42.17 yr)  
   first obs. used      1978-09-02  
   last obs. used      2020-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52253  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:00:50  

Additional Information
 Jupiter MOID = 2.29469 au 
 T_jup = 3.362 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.302282138036319E-15 -3.562828172175558E-15 1.115768870396465E-12 7.784062230246008E-15 2.076604783137537E-13 1.964744092280068E-16
q -3.562828172175558E-15 9.851499250027454E-15 -2.88818077843999E-12 -2.127187839120853E-14 -5.359427201498587E-13 -5.056064413768331E-16
tp 1.115768870396465E-12 -2.88818077843999E-12 3.249692733216835E-8 7.18063384069376E-12 7.080489783439309E-9 -1.027722773914208E-12
node 7.784062230246008E-15 -2.127187839120853E-14 7.18063384069376E-12 5.278647377777534E-9 -5.270696454971069E-9 9.616673496157451E-12
peri 2.076604783137537E-13 -5.359427201498587E-13 7.080489783439309E-9 -5.270696454971069E-9 6.816438210013474E-9 -9.839138678329064E-12
i 1.964744092280068E-16 -5.056064413768331E-16 -1.027722773914208E-12 9.616673496157451E-12 -9.839138678329064E-12 1.500292497747093E-11

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 14.1   n/a MPO350928  

15743 (1991 ND7)          Discovered 1991-Jul-12 by Debehogne, H. at La Silla
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

[ 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
1924-Oct-25 15:20 < 00:01 Eunom 0.0332366450692217 0.0332344988412364 0.033238796768531 5.64152568888165 5.64152561401642 2424084.139104052 0.869725131337023 711.754927579417 31.7094093671151 -81.7263005251551 155090.127052211 T 29 CATAB v2.0f-lin.ifort 2020-Dec-18 03:00:55 2020-Dec-18 03:00
1971-Apr-08 21:52 00:02 Psych 0.0263884954611537 0.0263827722138884 0.0263942187487755 2.12479339287194 2.12479317708664 2441050.411021084 1.63497653201341 289.488091066085 49.2830639000673 -10.6581271086117 19911.9545602769 T 29 CATAB v2.0f-lin.ifort 2020-Dec-18 03:00:55 2020-Dec-18 03:00

Alternate Designations
 1991 ND7 = 1978 RH7 = 1996 TL38 = 1999 GA26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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