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70678 (1999 UB2)
Classification: Main-belt Asteroid          SPK-ID: 2070678
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08924844610574145 6.0031e-08  
a 2.723256536680908 1.6914e-08 au
q 2.480210122434834 1.639e-07 au
i 6.597450076218863 4.4751e-06 deg
node 88.90650577968624 5.5996e-05 deg
peri 277.8344856164167 6.0583e-05 deg
M 227.2561325902937 2.4534e-05 deg
tp 2459605.761743623359
(2022-Jan-26.26174362)
0.00011346 TDB
period 1641.463609252029
4.49
1.5293e-05
4.187e-08
d
yr
n .2193164673105622 2.0433e-09 deg/d
Q 2.966302950926982 1.8424e-08 au
  Orbit Determination Parameters
   # obs. used (total)      648  
   data-arc span      7558 days (20.69 yr)  
   first obs. used      1999-10-04  
   last obs. used      2020-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54634  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:36:35  

Additional Information
 Earth MOID = 1.48963 au 
 Jupiter MOID = 2.46191 au 
 T_jup = 3.342 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457394.5 (2016-Jan-07.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08868759327242053 6.015e-08  
q 2.481883430888621 1.6408e-07 au
tp 2457966.802950707014
(2017-Aug-01.30295071)
0.00010983 TDB
node 88.91420901728986 5.5994e-05 deg
peri 278.4581996723773 6.0582e-05 deg
i 6.597388230688843 4.4754e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      648  
   data-arc span      7558 days (20.69 yr)  
   first obs. used      1999-10-04  
   last obs. used      2020-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54634  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:36:35  

Additional Information
 Jupiter MOID = 2.46191 au 
 T_jup = 3.342 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.6180028407984E-15 -9.825671348841907E-15 2.344995050866163E-12 1.832520051090664E-15 4.954282541889518E-13 -2.427745048308561E-15
q -9.825671348841907E-15 2.692360793103857E-14 -6.095808090249575E-12 -7.118389380267973E-15 -1.304135122273238E-12 7.020955674134329E-15
tp 2.344995050866163E-12 -6.095808090249575E-12 1.206237123838256E-8 1.714386727781039E-11 2.606245019263284E-9 -2.423619560197362E-12
node 1.832520051090664E-15 -7.118389380267973E-15 1.714386727781039E-11 3.135299631430234E-9 -3.110716839814049E-9 -1.046714056344054E-10
peri 4.954282541889518E-13 -1.304135122273238E-12 2.606245019263284E-9 -3.110716839814049E-9 3.670182658689655E-9 1.034742185778711E-10
i -2.427745048308561E-15 7.020955674134329E-15 -2.423619560197362E-12 -1.046714056344054E-10 1.034742185778711E-10 2.00287994616989E-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 15.4   n/a MPO468647  

70678 (1999 UB2)          Discovered 1999-Oct-18 by Farpoint at Farpoint
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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