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100279 (1994 YL4)
Classification: Main-belt Asteroid          SPK-ID: 2100279
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1300233521145248 3.7485e-08  
a 2.375820473039353 9.7319e-09 au
q 2.06690833111246 8.9277e-08 au
i .7663599457209253 4.6244e-06 deg
node 326.2782726490142 0.00040553 deg
peri 169.2594145886267 0.00040623 deg
M 11.37143282502731 2.4732e-05 deg
tp 2459158.249529759813
(2020-Nov-04.74952976)
9.176e-05 TDB
period 1337.577200736868
3.66
8.2185e-06
2.25e-08
d
yr
n .2691433435032212 1.6537e-09 deg/d
Q 2.684732614966245 1.0997e-08 au
  Orbit Determination Parameters
   # obs. used (total)      364  
   data-arc span      9579 days (26.23 yr)  
   first obs. used      1994-12-31  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57551  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:31:26  

Additional Information
 Earth MOID = 1.08071 au 
 Jupiter MOID = 2.34028 au 
 T_jup = 3.530 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456653.5 (2013-Dec-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1292916864297309 3.7574e-08  
q 2.068288383829785 8.9409e-08 au
tp 2456483.296875260681
(2013-Jul-09.79687526)
8.5268e-05 TDB
node 326.4501143823862 0.00040502 deg
peri 169.1521791862328 0.00040573 deg
i .7669519860379111 4.6284e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      364  
   data-arc span      9579 days (26.23 yr)  
   first obs. used      1994-12-31  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57551  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:31:26  

Additional Information
 Jupiter MOID = 2.34028 au 
 T_jup = 3.530 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.411777023622453E-15 -3.344510967418154E-15 6.019783779109983E-13 -1.654476141565058E-14 1.870112242809955E-13 -6.702775968340989E-17
q -3.344510967418154E-15 7.994031305119749E-15 -1.177903991036401E-12 3.960990672494102E-14 -3.731645931864845E-13 1.730556813915008E-16
tp 6.019783779109983E-13 -1.177903991036401E-12 7.270691020841048E-9 -2.34255685094607E-11 2.090161351866652E-9 -1.168145753936949E-13
node -1.654476141565058E-14 3.960990672494102E-14 -2.34255685094607E-11 1.640388352905037E-7 -1.640299917214159E-7 5.173360848986278E-10
peri 1.870112242809955E-13 -3.731645931864845E-13 2.090161351866652E-9 -1.640299917214159E-7 1.646205195370548E-7 -5.173225981221074E-10
i -6.702775968340989E-17 1.730556813915008E-16 -1.168145753936949E-13 5.173360848986278E-10 -5.173225981221074E-10 2.142174016599982E-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 17.16   n/a MPCxxxxx  

100279 (1994 YL4)          Discovered 1994-Dec-31 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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