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101522 (1998 XJ63)
Classification: Main-belt Asteroid          SPK-ID: 2101522
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1704340234321786 4.1449e-08  
a 2.396587958633132 9.0039e-09 au
q 1.988127830334175 1.0092e-07 au
i 6.841192215713002 3.348e-06 deg
node 287.6350302144041 3.9236e-05 deg
peri 109.3871064106264 4.1295e-05 deg
M 359.056736138032 1.1636e-05 deg
tp 2459204.050742527025
(2020-Dec-20.55074253)
4.3798e-05 TDB
period 1355.153484903031
3.71
7.6369e-06
2.091e-08
d
yr
n .2656525655658554 1.4971e-09 deg/d
Q 2.805048086932088 1.0539e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1140  
   data-arc span      8100 days (22.18 yr)  
   first obs. used      1998-11-14  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52059  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:28:55  

Additional Information
 Earth MOID = 1.00714 au 
 Jupiter MOID = 2.63683 au 
 T_jup = 3.499 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457935.5 (2017-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1722070891925755 4.1631e-08  
q 1.983744250756523 1.0157e-07 au
tp 2457847.512074915219
(2017-Apr-04.01207492)
4.4184e-05 TDB
node 287.6837908224775 3.9302e-05 deg
peri 109.097218670213 4.1274e-05 deg
i 6.836233835525773 3.3448e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1140  
   data-arc span      8100 days (22.18 yr)  
   first obs. used      1998-11-14  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52059  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:28:55  

Additional Information
 Jupiter MOID = 2.63683 au 
 T_jup = 3.499 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.733133819023798E-15 -4.217533092832243E-15 -5.607151846620223E-13 4.836085002737351E-15 -1.180872616760308E-13 -6.509802772032987E-15
q -4.217533092832243E-15 1.031676897820876E-14 1.259103692973007E-12 -1.103122804612258E-14 2.569968318674116E-13 1.594446658993424E-14
tp -5.607151846620223E-13 1.259103692973007E-12 1.952187853309968E-9 -3.907401227857474E-12 5.780962136296715E-10 4.891040081703837E-12
node 4.836085002737351E-15 -1.103122804612258E-14 -3.907401227857474E-12 1.544630772507372E-9 -1.534913167308533E-9 2.771204542120222E-11
peri -1.180872616760308E-13 2.569968318674116E-13 5.780962136296715E-10 -1.534913167308533E-9 1.703582492508306E-9 -2.628474816054307E-11
i -6.509802772032987E-15 1.594446658993424E-14 4.891040081703837E-12 2.771204542120222E-11 -2.628474816054307E-11 1.118774120525785E-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 15.48   n/a E2021B55  
diameter diameter 2.169 km 0.264 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.342   0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101522 (1998 XJ63)          Discovered 1998-Dec-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
2088-Dec-23 20:09 00:06 Iris 0.0452503371492209 0.0452423978705346 0.0452582828704493 1.48619585288612 1.48619576740401 2484044.339922948 5.92509314681452 943.492110587309 61.4723580665582 -65.6292491437659 99961.1804897547 T 20 CATAB v2.0f-lin.ifort 2021-Feb-24 08:28:57 2021-Feb-24 08:28
2159-Mar-16 09:45 < 00:01 Juno 0.0135756516332895 0.0135395947410555 0.0136117200435071 5.94678033579098 5.9467801850944 2509692.906310951 0.535138280612415 1902.5976740594 50.0999746428222 -19.138127704467 13319.845381863 T 20 CATAB v2.0f-lin.ifort 2021-Feb-24 08:28:57 2021-Feb-24 08:28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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