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172096 (2002 EP90)
Classification: Main-belt Asteroid          SPK-ID: 2172096
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2372041494952592 3.7118e-08  
a 2.34033467684122 1.0215e-08 au
q 1.785197580286836 8.8934e-08 au
i 5.668071825070324 4.7343e-06 deg
node 12.46653212055274 3.8287e-05 deg
peri 297.1638602336757 3.9472e-05 deg
M 277.3066001255122 1.2595e-05 deg
tp 2459300.888792780301
(2021-Mar-27.38879278)
4.6978e-05 TDB
period 1307.72184436779
3.58
8.5619e-06
2.344e-08
d
yr
n .275287899755196 1.8024e-09 deg/d
Q 2.895471773395604 1.2638e-08 au
  Orbit Determination Parameters
   # obs. used (total)      610  
   data-arc span      21761 days (59.58 yr)  
   first obs. used      1960-09-29  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55595  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:15:37  

Additional Information
 Earth MOID = .779809 au 
 Jupiter MOID = 2.40554 au 
 T_jup = 3.520 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457039.5 (2015-Jan-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2380635831105829 3.7237e-08  
q 1.782905078827119 8.9273e-08 au
tp 2456683.532256374747
(2014-Jan-26.03225637)
3.7998e-05 TDB
node 12.51711748925806 3.8331e-05 deg
peri 296.8711149611444 3.9493e-05 deg
i 5.666920203673811 4.7315e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      610  
   data-arc span      21761 days (59.58 yr)  
   first obs. used      1960-09-29  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55595  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:15:37  

Additional Information
 Jupiter MOID = 2.40554 au 
 T_jup = 3.520 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.386600003420338E-15 -3.312244234394595E-15 1.40348198518063E-13 -9.469557865636185E-17 5.708307455914776E-14 2.041932235803947E-16
q -3.312244234394595E-15 7.969661005154042E-15 -2.288044786418065E-13 1.398623998857804E-15 -1.098375425516361E-13 -4.923971977802436E-16
tp 1.40348198518063E-13 -2.288044786418065E-13 1.443855053418512E-9 5.231982419302902E-12 3.726133942788031E-10 -6.370142702865834E-13
node -9.469557865636185E-17 1.398623998857804E-15 5.231982419302902E-12 1.469269880473027E-9 -1.460308209776739E-9 -1.400924210275007E-11
peri 5.708307455914776E-14 -1.098375425516361E-13 3.726133942788031E-10 -1.460308209776739E-9 1.559696651119559E-9 1.378942373939325E-11
i 2.041932235803947E-16 -4.923971977802436E-16 -6.370142702865834E-13 -1.400924210275007E-11 1.378942373939325E-11 2.238688002396398E-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 16.0   n/a MPO433104  
diameter diameter 1.512 km 0.260 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.444   0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172096 (2002 EP90)          Discovered 2002-Mar-12 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2002 EP90 = 2003 OU22 = 5033 P-L 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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