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JPL Small-Body Database Browser
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39036 (2000 UQ78)
Classification: Main-belt Asteroid          SPK-ID: 2039036
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1380878351499585 3.3728e-08  
a 2.319244153080033 8.5552e-09 au
q 1.998984748797012 7.9725e-08 au
i 6.431682026624162 3.8121e-06 deg
node 241.8169163725309 3.8221e-05 deg
peri 47.19372430442724 4.1184e-05 deg
M 306.234488596369 1.5685e-05 deg
tp 2459193.172358119934
(2020-Dec-09.67235812)
5.6415e-05 TDB
period 1290.084426100933
3.53
7.1382e-06
1.954e-08
d
yr
n .2790515044724946 1.544e-09 deg/d
Q 2.639503557363053 9.7365e-09 au
  Orbit Determination Parameters
   # obs. used (total)      953  
   data-arc span      8136 days (22.28 yr)  
   first obs. used      1998-01-18  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58472  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:39:23  

Additional Information
 Earth MOID = .989178 au 
 Jupiter MOID = 2.50768 au 
 T_jup = 3.558 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456753.5 (2014-Apr-06.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .138715735910603 3.3792e-08  
q 1.997617387539342 7.9932e-08 au
tp 2456611.646031280423
(2013-Nov-15.14603128)
5.4848e-05 TDB
node 241.9122490156977 3.8241e-05 deg
peri 46.89710386297738 4.1161e-05 deg
i 6.43002466022658 3.8109e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      953  
   data-arc span      8136 days (22.28 yr)  
   first obs. used      1998-01-18  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58472  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:39:23  

Additional Information
 Jupiter MOID = 2.50768 au 
 T_jup = 3.558 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.141914213595628E-15 -2.689784661276205E-15 3.018330564852416E-13 6.991869469320213E-15 8.273645246096155E-14 -2.140382257346378E-15
q -2.689784661276205E-15 6.389090061757104E-15 -7.207989340181448E-13 -1.564357460462888E-14 -1.971566399778946E-13 5.150611089371992E-15
tp 3.018330564852416E-13 -7.207989340181448E-13 3.008304787948707E-9 2.435198685466692E-11 8.543303212301635E-10 -1.466461266551541E-12
node 6.991869469320213E-15 -1.564357460462888E-14 2.435198685466692E-11 1.462370921745426E-9 -1.445689389126136E-9 -1.628047734854927E-11
peri 8.273645246096155E-14 -1.971566399778946E-13 8.543303212301635E-10 -1.445689389126136E-9 1.694219954987703E-9 1.57414496960142E-11
i -2.140382257346378E-15 5.150611089371992E-15 -1.466461266551541E-12 -1.628047734854927E-11 1.57414496960142E-11 1.45231617942993E-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 15.7   n/a MPO319556  
diameter diameter 1.775 km 0.254 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 170.398 h n/a LCDB (Rev. 2019-August); 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 0.323   0.146 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39036 (2000 UQ78)          Discovered 2000-Oct-24 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ 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
2064-Dec-05 10:56 < 00:01 David 0.0160748665980823 0.0160698904373129 0.0160798457442934 7.20095510277156 7.20095497226103 2475259.955228047 0.687252281923188 426.460170318387 22.8511547715993 -54.5324120111575 85741.2561237612 T 25 CATAB v2.0f-lin.ifort 2020-May-20 08:39:34 2020-May-20 08:39

Alternate Designations
 2000 UQ78 = 1999 JG60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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