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 ]  
101545 (1998 YH23)
Classification: Main-belt Asteroid          SPK-ID: 2101545
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .25562157315883 4.5168e-08  
a 2.416391524571865 8.1524e-09 au
q 1.798709721693141 1.1172e-07 au
i 5.01744801432036 3.8891e-06 deg
node 67.96812327834019 5.6226e-05 deg
peri 279.9384455092071 5.6857e-05 deg
M 319.8794994230511 7.8831e-06 deg
tp 2459153.402020646090
(2020-Oct-30.90202065)
3.0238e-05 TDB
period 1371.985061029328
3.76
6.9432e-06
1.901e-08
d
yr
n .2623935276160449 1.3279e-09 deg/d
Q 3.034073327450588 1.0236e-08 au
  Orbit Determination Parameters
   # obs. used (total)      771  
   data-arc span      11061 days (30.28 yr)  
   first obs. used      1990-07-30  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51555  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:28:43  

Additional Information
 Earth MOID = .800685 au 
 Jupiter MOID = 2.40869 au 
 T_jup = 3.466 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457296.5 (2015-Oct-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2554089508428518 4.5051e-08  
q 1.798599001545449 1.1123e-07 au
tp 2457783.231846827808
(2017-Jan-29.73184683)
2.9437e-05 TDB
node 67.97488770681124 5.6214e-05 deg
peri 280.1798508062475 5.6851e-05 deg
i 5.018496771617079 3.8889e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      771  
   data-arc span      11061 days (30.28 yr)  
   first obs. used      1990-07-30  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51555  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:28:43  

Additional Information
 Jupiter MOID = 2.40869 au 
 T_jup = 3.466 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.029560150501413E-15 -5.004479838630198E-15 -4.690077803210852E-13 3.360999281538572E-14 -1.254482430046267E-13 -5.843563161092426E-15
q -5.004479838630198E-15 1.237123717849152E-14 1.131796178280791E-12 -8.262012855264763E-14 2.993236328851914E-13 1.465636499734527E-14
tp -4.690077803210852E-13 1.131796178280791E-12 8.66554911881019E-10 -1.548392701020469E-11 2.752579436907323E-10 2.931098932943341E-12
node 3.360999281538572E-14 -8.262012855264763E-14 -1.548392701020469E-11 3.159997956663924E-9 -3.151691139647978E-9 5.471273889999588E-11
peri -1.254482430046267E-13 2.993236328851914E-13 2.752579436907323E-10 -3.151691139647978E-9 3.23208405693245E-9 -5.377928497887577E-11
i -5.843563161092426E-15 1.465636499734527E-14 2.931098932943341E-12 5.471273889999588E-11 -5.377928497887577E-11 1.512359867412214E-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 15.7   n/a MPO325163  
diameter diameter 1.680 km 0.262 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.360   0.121 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101545 (1998 YH23)          Discovered 1998-Dec-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 YH23 = 1990 OR2 = 2003 AM48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-17 04:16 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin