Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
137032 (1998 UO1)
Classification: Apollo [NEO]          SPK-ID: 2137032
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 221 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7632665110526462 6.3746e-08  
a 1.595632976897975 2.326e-09 au
q .3777397617005099 1.0164e-07 au
i 25.49793909093639 1.1579e-05 deg
node 358.4537967814376 4.3966e-06 deg
peri 252.4800408111132 1.239e-05 deg
M 307.9103330457167 5.3124e-06 deg
tp 2459107.023888591055
(2020-Sep-14.52388859)
1.109e-05 TDB
period 736.2035915191511
2.02
1.6098e-06
4.407e-09
d
yr
n .4889951694709101 1.0693e-09 deg/d
Q 2.81352619209544 4.1014e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1383  
   # delay obs. used      5  
   # Doppler obs. used      0  
   data-arc span      9547 days (26.14 yr)  
   first obs. used      1992-10-20  
   last obs. used      2018-12-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .36353  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-21 06:10:41  

Additional Information
 Earth MOID = .058197 au 
 Jupiter MOID = 2.75185 au 
 T_jup = 3.907 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455049.5 (2009-Aug-06.0) TDB
Reference: JPL 221 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7630784161877214 6.36e-08  
q .3778805158485699 1.0127e-07 au
tp 2454691.063204242648
(2008-Aug-12.56320424)
1.8695e-06 TDB
node 358.6921553796847 4.325e-06 deg
peri 252.2596704457603 1.2367e-05 deg
i 25.53379657626706 1.159e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      1383  
   # delay obs. used      5  
   # Doppler obs. used      0  
   data-arc span      9547 days (26.14 yr)  
   first obs. used      1992-10-20  
   last obs. used      2018-12-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .36353  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-21 06:10:41  

Additional Information
 Jupiter MOID = 2.75185 au 
 T_jup = 3.907 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.044995767090705E-15 -6.440637839383346E-15 1.166346059788016E-13 2.76364631695542E-14 -7.50991140025599E-13 6.27191899652022E-14
q -6.440637839383346E-15 1.025550283956832E-14 -1.858939994783646E-13 -4.255145113857531E-14 1.194699959806422E-12 -9.776540409893407E-14
tp 1.166346059788016E-13 -1.858939994783646E-13 3.495070572669914E-12 -1.396429402668875E-13 -2.094686233730644E-11 3.915477407366888E-13
node 2.76364631695542E-14 -4.255145113857531E-14 -1.396429402668875E-13 1.870595728930211E-11 -2.085808083152027E-11 4.73527767122733E-11
peri -7.50991140025599E-13 1.194699959806422E-12 -2.094686233730644E-11 -2.085808083152027E-11 1.529311917950639E-10 -5.284320210544625E-11
i 6.27191899652022E-14 -9.776540409893407E-14 3.915477407366888E-13 4.73527767122733E-11 -5.284320210544625E-11 1.343307156240277E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO248169  
diameter diameter 1.055 km 0.322 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2014ApJ...784..110M)  
rotation period rot_per 2.925 h n/a LCDB (Rev. 2019-August); 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:
[Pravec, P.; Wolf, M.; Sarounova, L. (2004) http://www.asu.cas.cz/~ppravec/neo.htm]
[Wolters, S.D.; Green, S.F.; McBride, N.; Davies, J.K. (2008) Icarus 193, 535-552.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2014) http://www.asu.cas.cz/~ppravec/neo.htm]
[Warner, B.D. (2015) Minor Planet Bull. 42, 115-127.]
[Warner, B.D. (2017) Minor Planet Bull. 44, 98-107.]
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.J.; Pravec, P.; Koehn, B.W. (2019) Minor Plantet Bull. 46, 238-265.]
geometric albedo albedo 0.183   0.325 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2014ApJ...784..110M)  

137032 (1998 UO1)          Discovered 1998-Oct-19 by LINEAR at Socorro
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-23 08:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin