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154988 (2004 XN35)
Classification: Apollo [NEO]          SPK-ID: 2154988
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 88 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6800226678069574 4.4583e-08  
a 1.505725737554136 4.1541e-09 au
q .481798104516974 6.7331e-08 au
i 9.816998449514596 6.2926e-06 deg
node 132.985401094964 3.1137e-05 deg
peri 189.9592993207565 3.1769e-05 deg
M 164.3397265616261 1.1301e-05 deg
tp 2458692.424404233800
(2019-Jul-27.92440423)
2.0082e-05 TDB
period 674.8655166725179
1.85
2.7928e-06
7.646e-09
d
yr
n .5334396129394946 2.2075e-09 deg/d
Q 2.529653370591299 6.9789e-09 au
  Orbit Determination Parameters
   # obs. used (total)      327  
   data-arc span      8034 days (22.00 yr)  
   first obs. used      1998-01-26  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5365  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-26 06:00:34  

Additional Information
 Earth MOID = .152461 au 
 Jupiter MOID = 2.82641 au 
 T_jup = 4.233 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457311.5 (2015-Oct-16.0) TDB
Reference: JPL 88 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6802307094820906 4.4553e-08  
q .4814553844138274 6.7298e-08 au
tp 2457342.773420671426
(2015-Nov-16.27342067)
1.5895e-05 TDB
node 133.0080978687491 3.1126e-05 deg
peri 189.9547539897322 3.1758e-05 deg
i 9.819543710790384 6.295e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      327  
   data-arc span      8034 days (22.00 yr)  
   first obs. used      1998-01-26  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5365  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-26 06:00:34  

Additional Information
 Jupiter MOID = 2.82641 au 
 T_jup = 4.233 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.98500066729258E-15 -2.997844084165215E-15 1.434132777306963E-13 -9.12374557138598E-14 6.093046847586811E-14 3.629369537412069E-14
q -2.997844084165215E-15 4.529049339180486E-15 -2.013080695595855E-13 1.310346926581873E-13 -8.373251280436892E-14 -5.680490989481857E-14
tp 1.434132777306963E-13 -2.013080695595855E-13 2.52651674918613E-10 -1.19400592233659E-10 1.663586169576666E-10 -2.592908750720851E-11
node -9.12374557138598E-14 1.310346926581873E-13 -1.19400592233659E-10 9.688482865537576E-10 -9.734697217129144E-10 -4.152810009031212E-11
peri 6.093046847586811E-14 -8.373251280436892E-14 1.663586169576666E-10 -9.734697217129144E-10 1.008544865205234E-9 3.479102011832156E-11
i 3.629369537412069E-14 -5.680490989481857E-14 -2.592908750720851E-11 -4.152810009031212E-11 3.479102011832156E-11 3.962752791814776E-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 18.3   n/a MPO432990  

154988 (2004 XN35)          Discovered 2004-Dec-12 by CSS at Catalina
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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