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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04592548205069306 3.4354e-08  
a 2.705811990351908 9.9517e-09 au
q 2.581546270356451 9.5522e-08 au
i 2.797399630595713 3.8293e-06 deg
node 155.0995280056683 6.2918e-05 deg
peri 162.2682820360209 7.423e-05 deg
M 242.2640246697746 4.1037e-05 deg
tp 2459928.181485571860
(2022-Dec-14.68148557)
0.00018606 TDB
period 1625.716644967834
4.45
8.9688e-06
2.456e-08
d
yr
n .22144080342311 1.2217e-09 deg/d
Q 2.830077710347365 1.0409e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2243  
   data-arc span      15619 days (42.76 yr)  
   first obs. used      1978-09-02  
   last obs. used      2021-06-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50461  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 03:55:10  

Additional Information
 Earth MOID = 1.56757 au 
 Jupiter MOID = 2.29389 au 
 T_jup = 3.362 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456962.5 (2014-Nov-01.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04731449704038219 3.4302e-08  
q 2.577303433080524 9.561e-08 au
tp 2456666.236792617951
(2014-Jan-08.73679262)
0.00017753 TDB
node 155.1364112725689 6.2888e-05 deg
peri 160.0692655508884 7.3677e-05 deg
i 2.796926778016829 3.8322e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2243  
   data-arc span      15619 days (42.76 yr)  
   first obs. used      1978-09-02  
   last obs. used      2021-06-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50461  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 03:55:10  

Additional Information
 Jupiter MOID = 2.29389 au 
 T_jup = 3.362 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.176648345063792E-15 -3.264418126268358E-15 1.544118577181308E-12 5.289261980797682E-15 3.184579771815446E-13 2.035357207755721E-16
q -3.264418126268358E-15 9.141217708612062E-15 -3.894062403981683E-12 -1.476857388139907E-14 -7.970856628796646E-13 -5.339134451260412E-16
tp 1.544118577181308E-12 -3.894062403981683E-12 3.151611053034255E-8 5.069347309931377E-12 6.823058652103992E-9 -5.317258859018994E-13
node 5.289261980797682E-15 -1.476857388139907E-14 5.069347309931377E-12 3.954953125149903E-9 -3.948960354861657E-9 2.564343712649695E-11
peri 3.184579771815446E-13 -7.970856628796646E-13 6.823058652103992E-9 -3.948960354861657E-9 5.428373893430152E-9 -2.57312081193187E-11
i 2.035357207755721E-16 -5.339134451260412E-16 -5.317258859018994E-13 2.564343712649695E-11 -2.57312081193187E-11 1.468608841591352E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.11   n/a MPO636301  

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

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