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201377 (2002 UN15)
Classification: Outer Main-belt Asteroid          SPK-ID: 2201377
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07481790798369893 3.8274e-08  
a 3.245805298582594 3.0657e-08 au
q 3.002960936420239 1.1946e-07 au
i 20.61668104682377 4.3996e-06 deg
node 201.5771867070063 1.2517e-05 deg
peri 133.493772253906 3.4868e-05 deg
M 95.28685128422106 3.1897e-05 deg
tp 2458635.156244523136
(2019-May-31.65624452)
0.0001897 TDB
period 2135.905943251307
5.85
3.026e-05
8.285e-08
d
yr
n .1685467476400214 2.3879e-09 deg/d
Q 3.488649660744949 3.295e-08 au
  Orbit Determination Parameters
   # obs. used (total)      613  
   data-arc span      8895 days (24.35 yr)  
   first obs. used      1996-09-12  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48334  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:52:57  

Additional Information
 Earth MOID = 2.02848 au 
 Jupiter MOID = 1.87161 au 
 T_jup = 3.077 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457734.5 (2016-Dec-12.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0764378312335818 3.922e-08  
q 3.00148628517575 1.2314e-07 au
tp 2458620.576176374403
(2019-May-17.07617637)
0.00018304 TDB
node 201.6144133322219 1.2503e-05 deg
peri 130.9523440938919 3.3614e-05 deg
i 20.61961374385052 4.3981e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      613  
   data-arc span      8895 days (24.35 yr)  
   first obs. used      1996-09-12  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48334  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:52:57  

Additional Information
 Jupiter MOID = 1.87161 au 
 T_jup = 3.077 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.538196248435757E-15 -4.70939776046355E-15 -6.817731830396416E-13 -3.027012395010863E-15 -1.794009821087316E-13 1.047448516102463E-15
q -4.70939776046355E-15 1.516409245471138E-14 2.178351559532444E-12 5.798931566728051E-15 5.137504408493642E-13 -2.810277842000607E-15
tp -6.817731830396416E-13 2.178351559532444E-12 3.350227727220256E-8 5.020552919116023E-12 5.722013519153136E-9 -8.176247430002181E-12
node -3.027012395010863E-15 5.798931566728051E-15 5.020552919116023E-12 1.563195138446226E-10 -1.452372103548283E-10 8.8638460813205E-12
peri -1.794009821087316E-13 5.137504408493642E-13 5.722013519153136E-9 -1.452372103548283E-10 1.129887279471757E-9 -9.826655789598671E-12
i 1.047448516102463E-15 -2.810277842000607E-15 -8.176247430002181E-12 8.8638460813205E-12 -9.826655789598671E-12 1.934351180276866E-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 14.83   n/a MPCxxxxx  
diameter diameter 7.279 km 0.267 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 19.787 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.044   0.001 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

201377 (2002 UN15)          Discovered 2002-Oct-30 by NEAT at Palomar
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ show close-approach data ]
Alternate Designations
 2002 UN15 = 2000 GF128 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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