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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1383219049448989 3.1408e-08  
a 2.319488053951849 8.2175e-09 au
q 1.998652047832292 7.5175e-08 au
i 6.430126036253104 3.7712e-06 deg
node 241.7819158536377 3.4332e-05 deg
peri 47.01274927684457 3.7682e-05 deg
M 56.89273058338174 1.5439e-05 deg
tp 2459192.588877846601
(2020-Dec-09.08887785)
5.5154e-05 TDB
period 1290.287937008706
3.53
6.8569e-06
1.877e-08
d
yr
n .2790074910214176 1.4827e-09 deg/d
Q 2.640324060071405 9.3542e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1051  
   data-arc span      8553 days (23.42 yr)  
   first obs. used      1998-01-18  
   last obs. used      2021-06-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5673  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:17:46  

Additional Information
 Earth MOID = .988505 au 
 Jupiter MOID = 2.50413 au 
 T_jup = 3.557 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457085.5 (2015-Mar-04.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1386182216390928 3.1516e-08  
q 1.997567939892265 7.5335e-08 au
tp 2456611.442005962024
(2013-Nov-14.94200596)
5.437e-05 TDB
node 241.9094644357059 3.4335e-05 deg
peri 46.83827985463598 3.7644e-05 deg
i 6.43026392201218 3.7706e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1051  
   data-arc span      8553 days (23.42 yr)  
   first obs. used      1998-01-18  
   last obs. used      2021-06-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5673  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:17:46  

Additional Information
 Jupiter MOID = 2.50413 au 
 T_jup = 3.557 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.932756990069373E-16 -2.364856735428663E-15 2.223530702380744E-13 5.514542801489571E-15 6.855251961691104E-14 -1.866528560483187E-15
q -2.364856735428663E-15 5.675342873117261E-15 -5.496990242300999E-13 -1.295942661252023E-14 -1.654871326824238E-13 4.547719198152191E-15
tp 2.223530702380744E-13 -5.496990242300999E-13 2.956099621670771E-9 1.581160286766668E-11 8.527077346631605E-10 -1.379312758516719E-12
node 5.514542801489571E-15 -1.295942661252023E-14 1.581160286766668E-11 1.178916519096471E-9 -1.166409255190213E-9 -2.161902598930008E-11
peri 6.855251961691104E-14 -1.654871326824238E-13 8.527077346631605E-10 -1.166409255190213E-9 1.417076367761281E-9 2.105857258723248E-11
i -1.866528560483187E-15 4.547719198152191E-15 -1.379312758516719E-12 -2.161902598930008E-11 2.105857258723248E-11 1.421713226926695E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.74   n/a E2021B10  
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. 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 0.323   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

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