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100628 (1997 UX3)
Classification: Main-belt Asteroid          SPK-ID: 2100628
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3633017584246082 3.82e-08  
a 2.676396817046758 9.7916e-09 au
q 1.704057147171646 1.0052e-07 au
i 7.945276749895745 4.1865e-06 deg
node 227.6884744736229 3.4625e-05 deg
peri 147.4813397346734 3.5111e-05 deg
M 114.8223965406858 7.7493e-06 deg
tp 2458690.408260836467
(2019-Jul-25.90826084)
3.2945e-05 TDB
period 1599.278813465664
4.38
8.7764e-06
2.403e-08
d
yr
n .2251014625897994 1.2353e-09 deg/d
Q 3.648736486921869 1.3349e-08 au
  Orbit Determination Parameters
   # obs. used (total)      555  
   data-arc span      11885 days (32.54 yr)  
   first obs. used      1988-09-07  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51294  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:31:53  

Additional Information
 Earth MOID = .710917 au 
 Jupiter MOID = 1.86093 au 
 T_jup = 3.268 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457384.5 (2015-Dec-28.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3650545649474065 3.8956e-08  
q 1.698371500599773 1.03e-07 au
tp 2457084.580899235422
(2015-Mar-03.08089924)
2.7939e-05 TDB
node 228.0140944922377 3.5002e-05 deg
peri 146.3643441133505 3.5384e-05 deg
i 7.894560952554643 4.1672e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      555  
   data-arc span      11885 days (32.54 yr)  
   first obs. used      1988-09-07  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51294  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:31:53  

Additional Information
 Jupiter MOID = 1.86093 au 
 T_jup = 3.268 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.517593761164455E-15 -4.005676324729758E-15 1.655111493225932E-13 -9.042037732262965E-15 -1.97635052127681E-14 -1.504440192749001E-15
q -4.005676324729758E-15 1.06096068980105E-14 -3.732722656396386E-13 3.003887123166402E-14 6.187701351427072E-14 4.295232330333411E-15
tp 1.655111493225932E-13 -3.732722656396386E-13 7.806040523561802E-10 1.724303216551384E-11 1.693961329799416E-10 -8.531000180161385E-13
node -9.042037732262965E-15 3.003887123166402E-14 1.724303216551384E-11 1.225140905261278E-9 -1.209607728447355E-9 1.997639369935954E-11
peri -1.97635052127681E-14 6.187701351427072E-14 1.693961329799416E-10 -1.209607728447355E-9 1.251996683820608E-9 -2.007055268267157E-11
i -1.504440192749001E-15 4.295232330333411E-15 -8.531000180161385E-13 1.997639369935954E-11 -2.007055268267157E-11 1.736580501943803E-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 15.86   n/a E2021B55  
diameter diameter 1.629 km 0.268 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.265 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.349   0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100628 (1997 UX3)          Discovered 1997-Oct-26 by Kobayashi, T. at Oizumi
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1997 UX3 = 2001 LK6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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