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JPL Small-Body Database Browser
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97037 (1999 US8)
Classification: Main-belt Asteroid          SPK-ID: 2097037
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .143622958403882 4.4605e-08  
a 2.6944880234945 1.7377e-08 au
q 2.307497682176392 1.1902e-07 au
i 14.26686508272635 6.6338e-06 deg
node 40.59405432850555 2.2181e-05 deg
peri 65.39159053085039 3.309e-05 deg
M 99.01760108730079 2.5848e-05 deg
tp 2458156.152528843995
(2018-Feb-06.65252884)
0.00011395 TDB
period 1615.521764409596
4.42
1.5628e-05
4.279e-08
d
yr
n .2228382234959023 2.1556e-09 deg/d
Q 3.081478364812609 1.9872e-08 au
  Orbit Determination Parameters
   # obs. used (total)      703  
   data-arc span      7151 days (19.58 yr)  
   first obs. used      1999-10-10  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57266  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:13:02  

Additional Information
 Earth MOID = 1.36389 au 
 Jupiter MOID = 2.23253 au 
 T_jup = 3.311 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456525.5 (2013-Aug-21.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1451065069746361 4.4515e-08  
q 2.303570835022412 1.1927e-07 au
tp 2456540.972174462651
(2013-Sep-05.47217446)
0.00010656 TDB
node 40.63292077636932 2.2175e-05 deg
peri 65.26823970810395 3.2919e-05 deg
i 14.27067770383491 6.635e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      703  
   data-arc span      7151 days (19.58 yr)  
   first obs. used      1999-10-10  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57266  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:13:02  

Additional Information
 Jupiter MOID = 2.23253 au 
 T_jup = 3.311 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.981585702410515E-15 -5.267447652561086E-15 4.267078327746411E-13 1.091765281679534E-14 7.128730951177441E-14 -2.01196587117993E-15
q -5.267447652561086E-15 1.422539158371076E-14 -6.024757709089822E-13 -2.846007901444208E-14 -7.185007269171119E-14 6.092166826165306E-15
tp 4.267078327746411E-13 -6.024757709089822E-13 1.135418033469924E-8 -8.624734412915309E-13 2.621346235131553E-9 5.270391894172846E-12
node 1.091765281679534E-14 -2.846007901444208E-14 -8.624734412915309E-13 4.91733421463641E-10 -4.763970945380762E-10 -4.230938899544093E-11
peri 7.128730951177441E-14 -7.185007269171119E-14 2.621346235131553E-9 -4.763970945380762E-10 1.083659727164059E-9 4.223876374589222E-11
i -2.01196587117993E-15 6.092166826165306E-15 5.270391894172846E-12 -4.230938899544093E-11 4.223876374589222E-11 4.402260892823462E-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 14.9   n/a MPO302544  
diameter diameter 2.833 km 1.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.241   0.209 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97037 (1999 US8)          Discovered 1999-Oct-29 by CSS at Catalina
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

Alternate Designations
 1999 US8 = 2001 FD138 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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