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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04573732102986491 3.6019e-08  
a 2.706483137331302 1.0788e-08 au
q 2.582695849217264 9.886e-08 au
i 2.796837849130962 3.8765e-06 deg
node 155.1007285541342 7.2848e-05 deg
peri 161.9115445651064 8.3569e-05 deg
M 154.9713195762688 4.1951e-05 deg
tp 2458300.407789537819
(2018-Jun-30.90778954)		 0.000189 TDB
period 1626.321544241272
4.45		 9.7236e-06
2.662e-08		 d
yr
n .2213584400174388 1.3235e-09 deg/d
Q 2.830270425445339 1.1281e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1931  
   data-arc span      15128 days (41.42 yr)  
   first obs. used      1978-09-02  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52505  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:26:46  

Additional Information
 Earth MOID = 1.5693 au 
 Jupiter MOID = 2.29469 au 
 T_jup = 3.362 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456435.5 (2013-May-23.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04761457456808126 3.6129e-08  
q 2.577350530516638 9.9387e-08 au
tp 2456667.453498990841
(2014-Jan-09.95349899)		 0.00018046 TDB
node 155.1404822066332 7.281e-05 deg
peri 160.3617437804041 8.2723e-05 deg
i 2.796376524332924 3.8796e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      1931  
   data-arc span      15128 days (41.42 yr)  
   first obs. used      1978-09-02  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52505  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:26:46  

Additional Information
 Jupiter MOID = 2.29469 au 
 T_jup = 3.362 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.305338898713245E-15 -3.571712346514306E-15 1.119367974793062E-12 7.799044427200491E-15 2.08476830616097E-13 1.975551405603695E-16
q -3.571712346514306E-15 9.877686831755001E-15 -2.904571295153331E-12 -2.129586071067635E-14 -5.397278107157481E-13 -5.082561562395465E-16
tp 1.119367974793062E-12 -2.904571295153331E-12 3.256482578385594E-8 7.000412241243389E-12 7.09712858766323E-9 -1.040060342496211E-12
node 7.799044427200491E-15 -2.129586071067635E-14 7.000412241243389E-12 5.301278304500099E-9 -5.293339947598242E-9 1.031596095761186E-11
peri 2.08476830616097E-13 -5.397278107157481E-13 7.09712858766323E-9 -5.293339947598242E-9 6.843075706420693E-9 -1.054047681108947E-11
i 1.975551405603695E-16 -5.082561562395465E-16 -1.040060342496211E-12 1.031596095761186E-11 -1.054047681108947E-11 1.50512075521847E-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 27 CATAB v2.0f-lin.ifort 2020-Feb-22 21:27:03 2020-Feb-22 21:27
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 27 CATAB v2.0f-lin.ifort 2020-Feb-22 21:27:03 2020-Feb-22 21:27

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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