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JPL Small-Body Database Browser
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91874 (1999 UW43)
Classification: Main-belt Asteroid          SPK-ID: 2091874
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 .08691961297822939 3.6252e-08  
a 2.984712704147274 2.3369e-08 au
q 2.725282631051588 1.0832e-07 au
i 4.599508198631802 5.0251e-06 deg
node 323.356513888079 4.8823e-05 deg
peri 326.8564507670195 5.7759e-05 deg
M 95.0515043533638 2.9686e-05 deg
tp 2458503.211149743236
(2019-Jan-19.71114974)
0.00015655 TDB
period 1883.441901423199
5.16
2.212e-05
6.056e-08
d
yr
n .1911394239068221 2.2448e-09 deg/d
Q 3.24414277724296 2.5401e-08 au
  Orbit Determination Parameters
   # obs. used (total)      852  
   data-arc span      7770 days (21.27 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52983  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:17:42  

Additional Information
 Earth MOID = 1.71057 au 
 Jupiter MOID = 1.92033 au 
 T_jup = 3.247 
[ 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 14.5   n/a MPO449565  

91874 (1999 UW43)          Discovered 1999-Oct-29 by CSS at Catalina
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ 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
1917-Jul-24 04:13 00:04 Jupiter 1.9318481866881 1.93184778004127 1.93184859333526 2.93731750631685 2.78404926766653 2421433.675459774 3.6056877959837 97.1809044671228 13.7669208973172 -88.201182900713 3674237.19286225 T 25 CATAB v2.0f-lin.ifort 2019-Dec-14 08:17:46 2019-Dec-14 08:17
1954-Mar-13 23:56 00:02 Jupiter 1.93176465445785 1.93176416122547 1.93176514769023 2.89054779817591 2.7346526007631 2434815.496911371 2.19916804135496 67.512475145695 16.5423047973045 87.2196316257938 3307430.12826781 T 25 CATAB v2.0f-lin.ifort 2019-Dec-14 08:17:46 2019-Dec-14 08:17
2036-May-03 02:47 < 00:01 Jupiter 1.93269270169098 1.93269223197752 1.93269317140455 2.93307325850268 2.77963992381234 2464816.616306977 0.830568763725904 46.6636514516676 10.1203621387751 -73.7477937381467 3170841.42354662 T 25 CATAB v2.0f-lin.ifort 2019-Dec-14 08:17:46 2019-Dec-14 08:17
2072-Dec-20 05:52 00:02 Jupiter 1.93784005208893 1.93783971377347 1.93784039040439 2.94110851749202 2.78853490547649 2478196.744234322 2.15474877726892 63.6781174667527 11.4290465567743 -87.3839411120631 3872299.94319755 T 25 CATAB v2.0f-lin.ifort 2019-Dec-14 08:17:46 2019-Dec-14 08:17
2155-Feb-12 18:33 00:05 Jupiter 1.93354477525236 1.9335440965401 1.93354545396705 2.94188146494711 2.78900200516052 2508200.273015680 5.20243222432755 133.060218078746 10.7664724096088 -82.039408646575 3488092.26764689 T 25 CATAB v2.0f-lin.ifort 2019-Dec-14 08:17:46 2019-Dec-14 08:17
2191-Sep-30 12:31 00:06 Jupiter 1.94545113069541 1.94545035887564 1.94545190251728 2.99253508079143 2.84332443992931 2521579.021485403 6.43875061986732 134.91409901774 16.7760851599288 80.5354981477979 3351734.90913943 T 25 CATAB v2.0f-lin.ifort 2019-Dec-14 08:17:46 2019-Dec-14 08:17

Alternate Designations
 1999 UW43 = 2000 YN110 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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