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

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 220 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7633331500069823 6.378e-08  
a 1.595632906883905 2.3137e-09 au
q .3776334138174159 1.0171e-07 au
i 25.50049859872455 1.1583e-05 deg
node 358.4820485798311 4.3968e-06 deg
peri 252.4487580308871 1.2389e-05 deg
M 112.3449488175906 4.9089e-06 deg
tp 2458370.753473986571
(2018-Sep-09.25347399)
9.5596e-06 TDB
period 736.2035430638268
2.02
1.6012e-06
4.384e-09
d
yr
n .4889952016555141 1.0636e-09 deg/d
Q 2.813632399950394 4.0798e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1382  
   # 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      .36258  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jan-21 07:52:58  

Additional Information
 Earth MOID = .0584127 au 
 Jupiter MOID = 2.75133 au 
 T_jup = 3.907 
[ show covariance matrix ]

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-January); 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.]
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

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