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4214 Veralynn (1987 UX4)
Classification: Main-belt Asteroid          SPK-ID: 2004214
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1284880915877807 2.8877e-08  
a 2.420691524686085 7.6189e-09 au
q 2.109661490356455 6.944e-08 au
i 3.545674051254106 4.7412e-06 deg
node 13.84681918918188 5.4339e-05 deg
peri 83.99057566286936 5.8484e-05 deg
M 191.2845008706886 2.1254e-05 deg
tp 2459645.203579736733
(2022-Mar-06.70357974)
8.2316e-05 TDB
period 1375.648887642129
3.77
6.4946e-06
1.778e-08
d
yr
n .2616946833119913 1.2355e-09 deg/d
Q 2.731721559015716 8.5979e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2213  
   data-arc span      24359 days (66.69 yr)  
   first obs. used      1953-10-08  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45925  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:06:58  

Additional Information
 Earth MOID = 1.12999 au 
 Jupiter MOID = 2.41254 au 
 T_jup = 3.500 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456673.5 (2014-Jan-16.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1294181609495828 2.8993e-08  
q 2.105366938432147 6.9818e-08 au
tp 2456896.002851738268
(2014-Aug-26.50285174)
7.72e-05 TDB
node 13.96910570307469 5.4316e-05 deg
peri 83.87013060437219 5.8379e-05 deg
i 3.547966515763275 4.743e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2213  
   data-arc span      24359 days (66.69 yr)  
   first obs. used      1953-10-08  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45925  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:06:58  

Additional Information
 Jupiter MOID = 2.41254 au 
 T_jup = 3.500 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.405748692725923E-16 -2.015298202627654E-15 -5.123132362562455E-14 5.166524718332945E-16 -2.514427704507092E-14 -2.702553760015367E-16
q -2.015298202627654E-15 4.874511638673816E-15 2.407105114179655E-13 -2.167861194104334E-15 9.013094425554518E-14 6.593126510156639E-16
tp -5.123132362562455E-14 2.407105114179655E-13 5.959787477568285E-9 -2.541523911426042E-11 1.659539727254774E-9 7.926198736384332E-14
node 5.166524718332945E-16 -2.167861194104334E-15 -2.541523911426042E-11 2.950277226132046E-9 -2.950915418393663E-9 3.023725857846549E-14
peri -2.514427704507092E-14 9.013094425554518E-14 1.659539727254774E-9 -2.950915418393663E-9 3.408075873088687E-9 1.362132267333787E-15
i -2.702553760015367E-16 6.593126510156639E-16 7.926198736384332E-14 3.023725857846549E-14 1.362132267333787E-15 2.249621166260248E-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 13.0   n/a MPO473824  
diameter diameter 8.237 km 0.226 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 7.60 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Aznar, A. (2011) http://www.apt.com.es/web/index.php?option=com_content&view=article &id=56%3Aanalisis-de-asteroides&catid=38%3Aanalisis-de-asteroides&I temid=55]
geometric albedo albedo 0.217   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

4214 Veralynn (1987 UX4)          Discovered 1987-Oct-22 by Zhuravleva, L. V. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1987 UX4 = 1953 TB1 = 1972 TQ4 = 1972 VP = 1976 YT2 = 1977 AD = 1981 AF1 = 1985 FX 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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