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JPL Small-Body Database Browser
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27824 (1993 UD8)
Classification: Main-belt Asteroid          SPK-ID: 2027824
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2171432574615674 3.7434e-08  
a 2.574454778601766 1.1287e-08 au
q 2.01542928178868 9.4799e-08 au
i 5.673076287757611 4.3908e-06 deg
node 133.1025095460886 4.0217e-05 deg
peri 201.2294259476828 4.1933e-05 deg
M 198.1173719716854 1.5225e-05 deg
tp 2459678.959727783164
(2022-Apr-09.45972778)
6.701e-05 TDB
period 1508.781423780807
4.13
9.9225e-06
2.717e-08
d
yr
n .2386031497510671 1.5692e-09 deg/d
Q 3.133480275414852 1.3738e-08 au
  Orbit Determination Parameters
   # obs. used (total)      851  
   data-arc span      9687 days (26.52 yr)  
   first obs. used      1993-10-10  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55611  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:23:37  

Additional Information
 Earth MOID = 1.00646 au 
 Jupiter MOID = 2.24451 au 
 T_jup = 3.388 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456994.5 (2014-Dec-03.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2178080354219524 3.7698e-08  
q 2.01314458639654 9.57e-08 au
tp 2456656.658086468833
(2013-Dec-30.15808647)
5.3309e-05 TDB
node 133.1961864311086 4.0103e-05 deg
peri 200.4065973667009 4.1797e-05 deg
i 5.679449719598628 4.4002e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      851  
   data-arc span      9687 days (26.52 yr)  
   first obs. used      1993-10-10  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55611  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:23:37  

Additional Information
 Jupiter MOID = 2.24451 au 
 T_jup = 3.388 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.421122030614659E-15 -3.592599085892183E-15 1.715127697255593E-13 -1.56955305987159E-15 1.28567140368295E-14 4.011807326208983E-16
q -3.592599085892183E-15 9.158435536235332E-15 -1.698506437594344E-13 3.155188132151076E-15 2.665408388768595E-14 -1.148706311692185E-15
tp 1.715127697255593E-13 -1.698506437594344E-13 2.841822100622356E-9 -1.395388812142779E-11 6.434867162700811E-10 -1.521451708797744E-12
node -1.56955305987159E-15 3.155188132151076E-15 -1.395388812142779E-11 1.608247112199154E-9 -1.603109534034838E-9 -1.499511895245452E-11
peri 1.28567140368295E-14 2.665408388768595E-14 6.434867162700811E-10 -1.603109534034838E-9 1.746977960226501E-9 1.456933632933407E-11
i 4.011807326208983E-16 -1.148706311692185E-15 -1.521451708797744E-12 -1.499511895245452E-11 1.456933632933407E-11 1.936184872946826E-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 15.3   n/a MPO468057  

27824 (1993 UD8)          Discovered 1993-Oct-20 by Elst, E. W. at La Silla
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 UD8 = 1999 CA158 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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