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27720 (1989 UP3)
Classification: Main-belt Asteroid          SPK-ID: 2027720
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .146520955369738 3.0669e-08  
a 2.616653040100514 1.3073e-08 au
q 2.233258536793858 8.2993e-08 au
i 12.61334409519669 4.1087e-06 deg
node 199.3867236033785 1.6982e-05 deg
peri 220.7003908328053 2.3034e-05 deg
M 334.9128864603986 1.6815e-05 deg
tp 2458708.237236623311
(2019-Aug-12.73723662)
7.2604e-05 TDB
period 1546.029005017532
4.23
1.1586e-05
3.172e-08
d
yr
n .2328546222817583 1.7451e-09 deg/d
Q 3.000047543407171 1.4989e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1207  
   data-arc span      10999 days (30.11 yr)  
   first obs. used      1989-10-26  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52169  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:40:57  

Additional Information
 Earth MOID = 1.25877 au 
 Jupiter MOID = 2.42585 au 
 T_jup = 3.358 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456763.5 (2014-Apr-16.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1445986975607166 3.0523e-08  
q 2.239274649075448 8.2485e-08 au
tp 2457160.018504978762
(2015-May-17.51850498)
6.9044e-05 TDB
node 199.4185041613954 1.6997e-05 deg
peri 220.3291685143742 2.3235e-05 deg
i 12.60232773927779 4.1081e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1207  
   data-arc span      10999 days (30.11 yr)  
   first obs. used      1989-10-26  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52169  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:40:57  

Additional Information
 Jupiter MOID = 2.42585 au 
 T_jup = 3.358 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.316459472141574E-16 -2.494854822086129E-15 -3.588041523417667E-13 -2.73813038612109E-17 -7.439647176115193E-14 1.873816734725575E-16
q -2.494854822086129E-15 6.803806938973753E-15 1.211931877328637E-12 1.018202427386514E-15 2.469387909002318E-13 -6.059532329560081E-16
tp -3.588041523417667E-13 1.211931877328637E-12 4.767044991429717E-9 -3.164858028518796E-12 1.105818051208856E-9 -1.146222018231318E-12
node -2.73813038612109E-17 1.018202427386514E-15 -3.164858028518796E-12 2.889026764430619E-10 -2.825117880066361E-10 -1.436067830761951E-11
peri -7.439647176115193E-14 2.469387909002318E-13 1.105818051208856E-9 -2.825117880066361E-10 5.398548706957562E-10 1.37677430392138E-11
i 1.873816734725575E-16 -6.059532329560081E-16 -1.146222018231318E-12 -1.436067830761951E-11 1.37677430392138E-11 1.687630113031201E-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 14.5   n/a MPO358888  
diameter diameter 2.839 km 0.314 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.598 h n/a LCDB (Rev. 2019-January); 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 0.458   0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27720 (1989 UP3)          Discovered 1989-Oct-26 by Helin, E. F. at Palomar
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1989 UP3 = 1999 CM103 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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