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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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09312886742026759 4.0071e-08  
a 2.556854828455997 1.1694e-08 au
q 2.318737834123847 1.0384e-07 au
i 4.056922489517572 4.6693e-06 deg
node 143.7292397065833 4.7322e-05 deg
peri 47.65095748146747 5.2873e-05 deg
M 167.1669238192021 2.2835e-05 deg
tp 2458307.065599455752
(2018-Jul-07.56559946)
9.3473e-05 TDB
period 1493.335993105437
4.09
1.0245e-05
2.805e-08
d
yr
n .2410709992005008 1.6539e-09 deg/d
Q 2.794971822788146 1.2783e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1117  
   data-arc span      9111 days (24.94 yr)  
   first obs. used      1995-08-19  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54145  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 03:24:29  

Additional Information
 Earth MOID = 1.3212 au 
 Jupiter MOID = 2.16261 au 
 T_jup = 3.427 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456620.5 (2013-Nov-24.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09191770207993623 4.0214e-08  
q 2.322955675996381 1.0408e-07 au
tp 2456812.011272332111
(2014-Jun-03.51127233)
9.2676e-05 TDB
node 143.7937006575575 4.7364e-05 deg
peri 47.53691389574358 5.3005e-05 deg
i 4.054451063394205 4.6668e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1117  
   data-arc span      9111 days (24.94 yr)  
   first obs. used      1995-08-19  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54145  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 03:24:29  

Additional Information
 Jupiter MOID = 2.16261 au 
 T_jup = 3.427 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.617160741866728E-15 -4.163624940807082E-15 -1.621747478118173E-12 2.177485158032047E-14 -4.307375047578557E-13 -7.117619705661227E-17
q -4.163624940807082E-15 1.083271350396071E-14 4.272784395453193E-12 -5.708470721630449E-14 1.129710185705905E-12 1.900091447482504E-16
tp -1.621747478118173E-12 4.272784395453193E-12 8.588875830413391E-9 -4.30446615289893E-11 2.214755756149285E-9 1.047897761553781E-12
node 2.177485158032047E-14 -5.708470721630449E-14 -4.30446615289893E-11 2.243312939121123E-9 -2.247942517142307E-9 3.299767071781046E-11
peri -4.307375047578557E-13 1.129710185705905E-12 2.214755756149285E-9 -2.247942517142307E-9 2.809498115575513E-9 -3.264965281341087E-11
i -7.117619705661227E-17 1.900091447482504E-16 1.047897761553781E-12 3.299767071781046E-11 -3.264965281341087E-11 2.177891067028503E-11

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 28 CATAB v2.0f-lin.ifort 2020-Aug-25 03:24:39 2020-Aug-25 03:24
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 28 CATAB v2.0f-lin.ifort 2020-Aug-25 03:24:39 2020-Aug-25 03:24

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