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19330 (1996 XJ31)
Classification: Main-belt Asteroid          SPK-ID: 2019330
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06490749992624299 9.2961e-09  
a 2.754710555634316 1.235e-08 au
q 2.575909180447661 2.38e-08 au
i 10.30098497523699 4.1849e-07 deg
node 107.5331127276946 4.8914e-06 deg
peri 20.59401899904298 2.7548e-05 deg
M 67.19724343621823 2.5747e-05 deg
tp 2458888.782385763840
(2020-Feb-09.28238576)
0.0001194 TDB
period 1669.984293798184
4.57
1.123e-05
3.075e-08
d
yr
n .2155708897005385 1.4496e-09 deg/d
Q 2.933511930820971 1.3151e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2196  
   data-arc span      8845 days (24.22 yr)  
   first obs. used      1996-12-14  
   last obs. used      2021-03-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49699  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-17 02:14:11  

Additional Information
 Earth MOID = 1.59391 au 
 Jupiter MOID = 2.13377 au 
 T_jup = 3.318 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457141.5 (2015-Apr-29.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06518235416289242 9.2109e-09  
q 2.575818772093849 2.3705e-08 au
tp 2457225.779484255658
(2015-Jul-22.27948426)
0.00011895 TDB
node 107.6060370752915 4.8846e-06 deg
peri 22.24601603226292 2.7365e-05 deg
i 10.30573720848807 4.1881e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2196  
   data-arc span      8845 days (24.22 yr)  
   first obs. used      1996-12-14  
   last obs. used      2021-03-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49699  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-17 02:14:11  

Additional Information
 Jupiter MOID = 2.13377 au 
 T_jup = 3.318 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.483991277077408E-17 -1.947542523470977E-16 -5.125463216629658E-14 1.076958759039197E-14 -2.487063385979299E-14 5.97075288560026E-16
q -1.947542523470977E-16 5.619139770524316E-16 -6.744757199223704E-16 -3.124055253380147E-14 3.680136625078546E-14 -1.563749347857746E-15
tp -5.125463216629658E-14 -6.744757199223704E-16 1.415017705843312E-8 1.078148373825075E-10 3.202251396032038E-9 -2.74128695384191E-12
node 1.076958759039197E-14 -3.124055253380147E-14 1.078148373825075E-10 2.385925567584597E-11 1.10598994512312E-12 7.913477319452978E-13
peri -2.487063385979299E-14 3.680136625078546E-14 3.202251396032038E-9 1.10598994512312E-12 7.488472392661427E-10 -1.403877162445259E-12
i 5.97075288560026E-16 -1.563749347857746E-15 -2.74128695384191E-12 7.913477319452978E-13 -1.403877162445259E-12 1.754008024939113E-13

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 13.38   n/a E2021B10  
diameter diameter 4.583 km 0.172 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.335   0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19330 (1996 XJ31)          Discovered 1996-Dec-14 by Kobayashi, T. at Oizumi
Reference: 20001211/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
1944-Mar-06 05:42 < 00:01 Psych 0.0475198263698812 0.0475114441390992 0.0475282105798867 3.71255137013813 3.71255130155681 2431155.737422222 0.688258486928449 640.909305368539 47.9918815827779 -49.53630564477 112807.199874681 T 35 CATAB v2.0f-lin.ifort 2021-Mar-17 02:15:12 2021-Mar-17 02:15

Alternate Designations
 1996 XJ31 = 1998 HR123 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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