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46770 (1998 HY5)
Classification: Main-belt Asteroid          SPK-ID: 2046770
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08769994881686458 3.9599e-08  
a 2.176914313541332 6.9994e-09 au
q 1.985999039665057 8.6603e-08 au
i 5.661344322198984 4.9475e-06 deg
node 168.1000675346447 2.9844e-05 deg
peri 214.542203947837 3.8507e-05 deg
M 145.3706348476972 2.4526e-05 deg
tp 2458526.765934249041
(2019-Feb-12.26593425)
7.9532e-05 TDB
period 1173.168596594642
3.21
5.6581e-06
1.549e-08
d
yr
n .3068612653330243 1.48e-09 deg/d
Q 2.367829587417607 7.6133e-09 au
  Orbit Determination Parameters
   # obs. used (total)      904  
   data-arc span      8032 days (21.99 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58655  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:35:03  

Additional Information
 Earth MOID = .990809 au 
 Jupiter MOID = 2.96061 au 
 T_jup = 3.673 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457336.5 (2015-Nov-10.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08756612499864065 3.9843e-08  
q 1.986489729941703 8.7173e-08 au
tp 2457351.605492410454
(2015-Nov-25.10549241)
7.8677e-05 TDB
node 168.1306287821504 2.9822e-05 deg
peri 214.0243184204083 3.8458e-05 deg
i 5.662571315406469 4.9498e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      904  
   data-arc span      8032 days (21.99 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58655  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:35:03  

Additional Information
 Jupiter MOID = 2.96061 au 
 T_jup = 3.673 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.587432524967635E-15 -3.463889858461513E-15 -1.76799663145761E-12 2.393026422206827E-15 -5.550875439081521E-13 5.178653503659406E-16
q -3.463889858461513E-15 7.599116027557561E-15 3.899106052839421E-12 -5.495780643243145E-15 1.223473897482125E-12 -1.106775985970473E-15
tp -1.76799663145761E-12 3.899106052839421E-12 6.190037308744414E-9 -7.845994197398213E-12 1.915998002863084E-9 -5.666105272661721E-13
node 2.393026422206827E-15 -5.495780643243145E-15 -7.845994197398213E-12 8.893560520927124E-10 -8.867050694352292E-10 -2.127005337281706E-11
peri -5.550875439081521E-13 1.223473897482125E-12 1.915998002863084E-9 -8.867050694352292E-10 1.479039977218949E-9 2.098567627443588E-11
i 5.178653503659406E-16 -1.106775985970473E-15 -5.666105272661721E-13 -2.127005337281706E-11 2.098567627443588E-11 2.450046180693081E-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 16.0   n/a MPO351164  
diameter diameter 1.705 km 0.445 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.291   0.156 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46770 (1998 HY5)          Discovered 1998-Apr-21 by ODAS at Caussols
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HY5 = 1999 TQ92 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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