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37987 (1998 HO145)
Classification: Main-belt Asteroid          SPK-ID: 2037987
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09312886788741884 4.009e-08  
a 2.556854828590621 1.1701e-08 au
q 2.318737833051496 1.0387e-07 au
i 4.056922676678192 4.6727e-06 deg
node 143.7292396087582 4.7332e-05 deg
peri 47.65095707826334 5.2901e-05 deg
M 167.1669241863999 2.2861e-05 deg
tp 2458307.065597877792
(2018-Jul-07.56559788)
9.3588e-05 TDB
period 1493.335993223378
4.09
1.0251e-05
2.807e-08
d
yr
n .2410709991814614 1.6548e-09 deg/d
Q 2.794971824129746 1.2791e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1107  
   data-arc span      8805 days (24.11 yr)  
   first obs. used      1995-08-19  
   last obs. used      2019-09-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54348  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:41:57  

Additional Information
 Earth MOID = 1.3212 au 
 Jupiter MOID = 2.16261 au 
 T_jup = 3.427 
[ 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 15.1   n/a MPO436034  
diameter diameter 2.207 km 0.260 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.229   0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37987 (1998 HO145)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1910-Dec-12 05:02 00:02 Psych 0.0401768910851528 0.0401735834309207 0.0401802041655131 3.74128840014641 3.74128831965387 2419017.709663404 2.20044618093765 799.526046871028 56.1713919014605 78.7816693700944 104857.105460828 T 27 CATAB v2.0f-lin.ifort 2020-Feb-23 04:42:14 2020-Feb-23 04:42
2000-Dec-02 19:19 < 00:01 Psych 0.0398743073726018 0.0398729523527667 0.0398756624191281 3.63644339716828 3.63644331372658 2451881.305192740 0.472716688898198 116.890323398982 56.8828840264988 -69.1659777216833 99566.4206854376 T 27 CATAB v2.0f-lin.ifort 2020-Feb-23 04:42:14 2020-Feb-23 04:42

Alternate Designations
 1998 HO145 = 1995 QX10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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