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103036 (1999 XP118)
Classification: Main-belt Asteroid          SPK-ID: 2103036
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1989660455486023 3.6407e-08  
a 2.389244661601708 9.3177e-09 au
q 1.913866099434708 8.9855e-08 au
i 2.142631759543723 3.983e-06 deg
node 352.8697339201847 9.4893e-05 deg
peri 26.00503188722413 9.5432e-05 deg
M 280.5718103310621 1.3009e-05 deg
tp 2459498.119598712540
(2021-Oct-10.61959871)
5.006e-05 TDB
period 1348.929844468241
3.69
7.891e-06
2.16e-08
d
yr
n .2668782231161287 1.5612e-09 deg/d
Q 2.864623223768708 1.1172e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1008  
   data-arc span      9037 days (24.74 yr)  
   first obs. used      1995-09-26  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53039  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:44:48  

Additional Information
 Earth MOID = .914855 au 
 Jupiter MOID = 2.6018 au 
 T_jup = 3.505 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457112.5 (2015-Mar-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .197539909214951 3.6233e-08  
q 1.917863099069877 8.9143e-08 au
tp 2456800.900220703584
(2014-May-23.40022070)
4.0098e-05 TDB
node 352.9173910496496 9.4839e-05 deg
peri 26.08520035633472 9.5395e-05 deg
i 2.144030988341535 3.9804e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1008  
   data-arc span      9037 days (24.74 yr)  
   first obs. used      1995-09-26  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53039  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:44:48  

Additional Information
 Jupiter MOID = 2.6018 au 
 T_jup = 3.505 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.312865617539948E-15 -3.219863757832471E-15 -3.321751949156503E-13 -4.480896403905181E-15 -6.732250325673403E-14 -4.649494477749417E-16
q -3.219863757832471E-15 7.946553968179385E-15 9.574791159296047E-13 1.09259893053576E-14 2.029099579814132E-13 1.23308880459087E-15
tp -3.321751949156503E-13 9.574791159296047E-13 1.60784860479373E-9 6.023256359060721E-12 4.227025210703405E-10 4.952134347548112E-13
node -4.480896403905181E-15 1.09259893053576E-14 6.023256359060721E-12 8.994517660730332E-9 -8.986425620995508E-9 2.915942039599404E-11
peri -6.732250325673403E-14 2.029099579814132E-13 4.227025210703405E-10 -8.986425620995508E-9 9.100176760808185E-9 -2.901094775847665E-11
i -4.649494477749417E-16 1.23308880459087E-15 4.952134347548112E-13 2.915942039599404E-11 -2.901094775847665E-11 1.584355756122854E-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 15.72   n/a E2021B55  
diameter diameter 1.598 km 0.131 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.741 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 0.437   0.128 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

103036 (1999 XP118)          Discovered 1999-Dec-05 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2089-Sep-09 13:23 < 00:01 Juno 0.0496530959602766 0.0496450414427995 0.049661151291552 5.31485481868436 5.31485477258359 2484304.057797702 0.6971810132256 512.085816708807 32.8110461987946 38.4669420939068 141202.961085462 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 15:44:51 2021-Apr-13 15:44
2169-Feb-04 22:41 00:02 Hebe 0.0173987767480697 0.0173822052053344 0.0174153751377762 6.22405698746664 6.22405693005959 2513306.445361976 1.76614151637731 1358.65578946767 28.9106074916046 -52.5320873381954 71444.0073959236 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 15:44:51 2021-Apr-13 15:44

Alternate Designations
 1999 XP118 = 1995 SY49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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