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160568 (1998 UB35)
Classification: Main-belt Asteroid          SPK-ID: 2160568
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1933691809095865 5.4305e-08  
a 2.796766914360731 1.7891e-08 au
q 2.255958386935764 1.5062e-07 au
i 7.912270990889233 6.3493e-06 deg
node 242.5859264458989 3.1713e-05 deg
peri 120.3650225587046 3.4558e-05 deg
M 237.2945599920586 1.6388e-05 deg
tp 2459582.796464406754
(2022-Jan-03.29646441)
8.1081e-05 TDB
period 1708.373542141771
4.68
1.6393e-05
4.488e-08
d
yr
n .2107267474703873 2.022e-09 deg/d
Q 3.337575441785697 2.1351e-08 au
  Orbit Determination Parameters
   # obs. used (total)      528  
   data-arc span      7947 days (21.76 yr)  
   first obs. used      1998-09-20  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52626  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 12:26:28  

Additional Information
 Earth MOID = 1.26666 au 
 Jupiter MOID = 2.20434 au 
 T_jup = 3.285 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457322.5 (2015-Oct-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1928015688724072 5.4404e-08  
q 2.257847553889036 1.508e-07 au
tp 2457875.545349442849
(2017-May-02.04534944)
7.2185e-05 TDB
node 242.5949210789947 3.1707e-05 deg
peri 120.672665857715 3.4552e-05 deg
i 7.912111579512604 6.3494e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      528  
   data-arc span      7947 days (21.76 yr)  
   first obs. used      1998-09-20  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52626  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 12:26:28  

Additional Information
 Jupiter MOID = 2.20434 au 
 T_jup = 3.285 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.959742699779266E-15 -8.166692155151237E-15 2.116891511948245E-12 1.18533776051376E-15 3.737234390918299E-13 -1.769628185154958E-15
q -8.166692155151237E-15 2.273955076892606E-14 -5.441730638497571E-12 -5.31232133495967E-15 -9.675407525463781E-13 6.01274329855916E-15
tp 2.116891511948245E-12 -5.441730638497571E-12 5.21064706225127E-9 4.477646776831835E-12 1.004385334574968E-9 -2.388986342071064E-12
node 1.18533776051376E-15 -5.31232133495967E-15 4.477646776831835E-12 1.005349575009396E-9 -9.946586202969887E-10 -7.037100726076559E-11
peri 3.737234390918299E-13 -9.675407525463781E-13 1.004385334574968E-9 -9.946586202969887E-10 1.193830880287645E-9 6.924131328927994E-11
i -1.769628185154958E-15 6.01274329855916E-15 -2.388986342071064E-12 -7.037100726076559E-11 6.924131328927994E-11 4.031465678704387E-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 15.1   n/a MPO254161  
diameter diameter 6.554 km 0.211 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160568 (1998 UB35)          Discovered 1998-Oct-28 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

Alternate Designations
 1998 UB35 = 2003 WM136 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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