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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 241 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7631929629570531 6.2814e-08  
a 1.595475639045533 2.0235e-09 au
q .3778198587565749 1.0018e-07 au
i 25.49751960988948 1.1181e-05 deg
node 358.4481153396515 4.1675e-06 deg
peri 252.4860150204477 1.2132e-05 deg
M 141.5809117302863 5.0156e-06 deg
tp 2459107.008446413916
(2020-Sep-14.50844641)
9.7248e-06 TDB
period 736.0947038505107
2.02
1.4003e-06
3.834e-09
d
yr
n .4890675046523774 9.3039e-10 deg/d
Q 2.813131419334491 3.5678e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1468  
   # delay obs. used      5  
   # Doppler obs. used      0  
   data-arc span      10294 days (28.18 yr)  
   first obs. used      1992-10-20  
   last obs. used      2020-12-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37093  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Sep-11 06:31:58  

Additional Information
 Earth MOID = .0585486 au 
 Jupiter MOID = 2.75011 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 16.55   n/a MPCxxxxx  
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. 2020-October); 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 ]
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