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
JPL Small-Body Database Browser
Search: [ help ]  
35582 (1998 HD45)
Classification: Main-belt Asteroid          SPK-ID: 2035582
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 .133322487307498 3.71e-08  
a 2.649516641089732 1.1857e-08 au
q 2.296276492337041 9.866e-08 au
i 4.207810916027403 4.2129e-06 deg
node 243.2715575498021 6.1053e-05 deg
peri 183.3582046719674 6.366e-05 deg
M 173.3131362392215 1.8935e-05 deg
tp 2458242.136565579383
(2018-May-03.63656558)
8.0933e-05 TDB
period 1575.246067987538
4.31
1.0574e-05
2.895e-08
d
yr
n .2285357236028016 1.5341e-09 deg/d
Q 3.002756789842422 1.3437e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1565  
   data-arc span      10007 days (27.40 yr)  
   first obs. used      1993-01-23  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50482  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 20:31:01  

Additional Information
 Earth MOID = 1.31007 au 
 Jupiter MOID = 2.28237 au 
 T_jup = 3.374 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457154.5 (2015-May-12.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1339689237982533 3.699e-08  
q 2.294423381011045 9.8352e-08 au
tp 2456669.315891461103
(2014-Jan-11.81589146)
7.78e-05 TDB
node 243.2899780909657 6.1059e-05 deg
peri 183.7869319823279 6.3646e-05 deg
i 4.20774192117541 4.2132e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1565  
   data-arc span      10007 days (27.40 yr)  
   first obs. used      1993-01-23  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50482  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 20:31:01  

Additional Information
 Jupiter MOID = 2.28237 au 
 T_jup = 3.374 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.368225202427065E-15 -3.618055962022712E-15 -7.880052422758471E-13 -3.235670118332192E-15 -2.087329429535078E-13 3.5582036220277E-18
q -3.618055962022712E-15 9.673134023562181E-15 2.243750643356992E-12 7.570647552309174E-15 5.965035905873716E-13 1.229181403885047E-16
tp -7.880052422758471E-13 2.243750643356992E-12 6.052848193865503E-9 1.628547182578169E-11 1.419190592235522E-9 -2.075266805159346E-12
node -3.235670118332192E-15 7.570647552309174E-15 1.628547182578169E-11 3.728257125023983E-9 -3.714266911419341E-9 -6.653716041488098E-11
peri -2.087329429535078E-13 5.965035905873716E-13 1.419190592235522E-9 -3.714266911419341E-9 4.050835596394463E-9 6.592113405857355E-11
i 3.5582036220277E-18 1.229181403885047E-16 -2.075266805159346E-12 -6.653716041488098E-11 6.592113405857355E-11 1.775085054202236E-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 14.2   n/a MPO474210  
diameter diameter 4.572 km 0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.233   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35582 (1998 HD45)          Discovered 1998-Apr-20 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HD45 = 1993 BX6 = 2000 TR32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-11 17:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin