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103002 (1999 XH98)
Classification: Main-belt Asteroid          SPK-ID: 2103002
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .227315246068336 4.7524e-08  
a 2.976822223069818 1.5083e-08 au
q 2.300145146931011 1.45e-07 au
i 10.04009281754822 3.5322e-06 deg
node 73.54308489092134 2.7598e-05 deg
peri 314.2447634901513 2.9466e-05 deg
M 67.71801449510478 9.3129e-06 deg
tp 2458847.618012408995
(2019-Dec-30.11801241)
4.7571e-05 TDB
period 1875.97814968342
5.14
1.4257e-05
3.903e-08
d
yr
n .1918998896979433 1.4584e-09 deg/d
Q 3.653499299208625 1.8511e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1108  
   data-arc span      7792 days (21.33 yr)  
   first obs. used      1999-11-03  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50365  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:44:37  

Additional Information
 Earth MOID = 1.31773 au 
 Jupiter MOID = 1.83413 au 
 T_jup = 3.199 
[ show covariance matrix ]

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 14.6   n/a MPO453482  
diameter diameter 4.020 km 0.241 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.208   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

103002 (1999 XH98)          Discovered 1999-Dec-07 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
1936-Jan-17 22:11 00:02 Jupiter 1.95157877438831 1.95157789835598 1.95157965042664 2.95338234787542 2.80257543050372 2428185.424401362 1.89328812892579 194.597915716126 10.2069989663656 80.8242960946129 2945815.7411594 T 29 CATAB v2.0f-lin.ifort 2021-Apr-13 15:44:41 2021-Apr-13 15:44
2017-Apr-15 17:31 < 00:01 Jupiter 1.89301009465612 1.89300953252604 1.89301065679482 1.8370532237431 1.57476019667334 2457859.229556192 0.314088949956727 325.241941299631 49.7629360130247 84.0716297002934 1740884.0194697 T 29 CATAB v2.0f-lin.ifort 2021-Apr-13 15:44:41 2021-Apr-13 15:44
2053-Jul-12 19:23 < 00:01 Jupiter 1.83029341033159 1.8302930048709 1.83029381579467 2.20108423721392 1.97970011745322 2471096.307622149 0.844342322726372 193.325178688383 26.2995638121954 83.0290662835753 2143337.33136909 T 29 CATAB v2.0f-lin.ifort 2021-Apr-13 15:44:41 2021-Apr-13 15:44
2089-Sep-30 08:02 00:02 Jupiter 1.84396555529031 1.84396512232948 1.84396598825575 2.56396401538632 2.37806955289137 2484324.834924440 1.656531164634 192.395439625917 14.6425535516392 86.9820773850453 2413578.83895929 T 29 CATAB v2.0f-lin.ifort 2021-Apr-13 15:44:41 2021-Apr-13 15:44
2125-Dec-22 05:23 00:03 Jupiter 1.94065968198526 1.94065867416227 1.94066068981929 2.94415940050026 2.791980000353 2497555.724023419 2.5171306034312 254.965163289008 9.96402852220364 81.8517121180522 3057549.26732459 T 29 CATAB v2.0f-lin.ifort 2021-Apr-13 15:44:41 2021-Apr-13 15:44
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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