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JPL Small-Body Database Browser
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173978 (2001 XE135)
Classification: Main-belt Asteroid          SPK-ID: 2173978
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07849746159216181 5.3742e-08  
a 3.145447721714124 5.7025e-08 au
q 2.898538059988716 1.58e-07 au
i 16.633758174853 6.9779e-06 deg
node 80.4926060558597 1.9729e-05 deg
peri 89.76224476846448 5.0097e-05 deg
M 318.3203594924864 4.9122e-05 deg
tp 2458836.408504660555
(2019-Dec-18.90850466)
0.00028111 TDB
period 2037.615023634618
5.58
5.5411e-05
1.517e-07
d
yr
n .1766771425535752 4.8046e-09 deg/d
Q 3.392357383439531 6.1502e-08 au
  Orbit Determination Parameters
   # obs. used (total)      242  
   data-arc span      6264 days (17.15 yr)  
   first obs. used      2001-11-21  
   last obs. used      2019-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61319  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 15:57:49  

Additional Information
 Earth MOID = 1.96634 au 
 Jupiter MOID = 1.819 au 
 T_jup = 3.140 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456904.5 (2014-Sep-04.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07919953677723499 5.3593e-08  
q 2.8948895581611 1.5784e-07 au
tp 2456794.472302238654
(2014-May-16.97230224)
0.00025682 TDB
node 80.51566468614112 1.9731e-05 deg
peri 89.00641061583644 4.9829e-05 deg
i 16.63552773167983 6.9786e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      242  
   data-arc span      6264 days (17.15 yr)  
   first obs. used      2001-11-21  
   last obs. used      2019-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61319  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 15:57:49  

Additional Information
 Jupiter MOID = 1.819 au 
 T_jup = 3.140 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.872172419200892E-15 -8.04511101888786E-15 2.768065263878104E-12 3.80620336533423E-15 4.627283213880516E-13 8.571519016229835E-16
q -8.04511101888786E-15 2.49142283899031E-14 -4.369523424393327E-12 -2.102287965942652E-14 -6.6849886651448E-13 6.790807391409619E-16
tp 2.768065263878104E-12 -4.369523424393327E-12 6.595725426338155E-8 -1.012105830887967E-11 1.178500585031964E-8 1.261036429527095E-11
node 3.80620336533423E-15 -2.102287965942652E-14 -1.012105830887967E-11 3.893317532669913E-10 -3.748826615540424E-10 -1.148982829071358E-11
peri 4.627283213880516E-13 -6.6849886651448E-13 1.178500585031964E-8 -3.748826615540424E-10 2.482974385041286E-9 1.338065781533774E-11
i 8.571519016229835E-16 6.790807391409619E-16 1.261036429527095E-11 -1.148982829071358E-11 1.338065781533774E-11 4.870116652466233E-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 15.3   n/a MPO433119  
diameter diameter 5.696 km 0.259 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173978 (2001 XE135)          Discovered 2001-Dec-14 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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