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190345 (1998 UR14)
Classification: Main-belt Asteroid          SPK-ID: 2190345
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .156752980812739 5.5979e-08  
a 2.286149814194591 1.312e-08 au
q 1.927789016235099 1.3313e-07 au
i 5.289305130196065 4.7404e-06 deg
node 50.64831433780095 5.745e-05 deg
peri 282.1219767401957 5.9107e-05 deg
M 195.3672025270133 1.6317e-05 deg
tp 2459777.890074855578
(2022-Jul-17.39007486)
5.9841e-05 TDB
period 1262.569974747068
3.46
1.0868e-05
2.975e-08
d
yr
n .2851327112163578 2.4545e-09 deg/d
Q 2.644510612154083 1.5176e-08 au
  Orbit Determination Parameters
   # obs. used (total)      285  
   data-arc span      8214 days (22.49 yr)  
   first obs. used      1998-10-17  
   last obs. used      2021-04-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58503  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:17:51  

Additional Information
 Earth MOID = .924261 au 
 Jupiter MOID = 2.71297 au 
 T_jup = 3.580 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457562.5 (2016-Jun-23.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1575614186853148 5.6042e-08  
q 1.925452801585737 1.3333e-07 au
tp 2457252.312208508497
(2015-Aug-17.81220851)
5.064e-05 TDB
node 50.66783258318148 5.7456e-05 deg
peri 281.9820211555108 5.909e-05 deg
i 5.29034215039605 4.7416e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      285  
   data-arc span      8214 days (22.49 yr)  
   first obs. used      1998-10-17  
   last obs. used      2021-04-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58503  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:17:51  

Additional Information
 Jupiter MOID = 2.71297 au 
 T_jup = 3.580 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.140677194783838E-15 -7.451299473649597E-15 1.89721876631028E-13 3.839097826239106E-15 9.848774421416851E-14 -2.558966933231044E-15
q -7.451299473649597E-15 1.777707571912092E-14 -3.076495388903045E-13 -9.642649368608673E-15 -1.901293748076294E-13 6.389583194227019E-15
tp 1.89721876631028E-13 -3.076495388903045E-13 2.564441713469156E-9 7.995431169776379E-13 7.275029552926917E-10 3.975434517715471E-14
node 3.839097826239106E-15 -9.642649368608673E-15 7.995431169776379E-13 3.301162769193067E-9 -3.286584860002261E-9 -7.802033651138766E-11
peri 9.848774421416851E-14 -1.901293748076294E-13 7.275029552926917E-10 -3.286584860002261E-9 3.491653285653778E-9 7.771090565216679E-11
i -2.558966933231044E-15 6.389583194227019E-15 3.975434517715471E-14 -7.802033651138766E-11 7.771090565216679E-11 2.248247022692726E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.87   n/a MPCxxxxx  
rotation period rot_per 24. h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Molnar, L.; Pal, A.; Sarneczky, K.; Szabo, R.; et al. (2018) Ap. J. Supp. Ser. 234, A37.]

190345 (1998 UR14)          Discovered 1998-Oct-23 by Spacewatch at Kitt Peak
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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