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255258 (2005 VH4)
Classification: Main-belt Asteroid          SPK-ID: 2255258
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2895127311092801 5.7569e-08  
a 3.113575743076504 2.8171e-08 au
q 2.212155926182819 1.7555e-07 au
i 11.07276708416065 7.6151e-06 deg
node 254.1349835882595 3.8553e-05 deg
peri 182.1820554088661 4.1589e-05 deg
M 228.3031875234909 1.3877e-05 deg
tp 2459734.608651811044
(2022-Jun-04.10865181)		 8.1374e-05 TDB
period 2006.723698791994
5.49		 2.7235e-05
7.457e-08		 d
yr
n .1793968946580501 2.4347e-09 deg/d
Q 4.014995559970189 3.6327e-08 au
   Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      7168 days (19.62 yr)  
   first obs. used      1999-10-13  
   last obs. used      2019-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57366  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 23:38:34  

Additional Information
 Earth MOID = 1.22746 au 
 Jupiter MOID = 1.28299 au 
 T_jup = 3.124 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456650.5 (2013-Dec-24.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2979446635534169 5.8859e-08  
q 2.170931578507171 1.8209e-07 au
tp 2455738.744077231535
(2011-Jun-26.24407723)		 6.0544e-05 TDB
node 254.3602220865657 3.8312e-05 deg
peri 180.6276708615883 4.0837e-05 deg
i 11.14140977226646 7.5939e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      7168 days (19.62 yr)  
   first obs. used      1999-10-13  
   last obs. used      2019-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57366  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 23:38:34  

Additional Information
 Jupiter MOID = 1.28299 au 
 T_jup = 3.124 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.464368223387779E-15 -1.066905768307985E-14 1.061928361628585E-12 2.530119982268885E-14 2.681096481616921E-13 -1.965743931581048E-16
q -1.066905768307985E-14 3.315694106049425E-14 -3.438436658221078E-12 -7.696341967182265E-14 -8.231546955869683E-13 4.966092184979429E-16
tp 1.061928361628585E-12 -3.438436658221078E-12 3.665583238729401E-9 -4.547984708671224E-12 9.109585748006323E-10 -1.55520662202377E-12
node 2.530119982268885E-14 -7.696341967182265E-14 -4.547984708671224E-12 1.467810014110669E-9 -1.439364542298289E-9 1.109750236124849E-10
peri 2.681096481616921E-13 -8.231546955869683E-13 9.109585748006323E-10 -1.439364542298289E-9 1.667695753691748E-9 -1.093343519646869E-10
i -1.965743931581048E-16 4.966092184979429E-16 -1.55520662202377E-12 1.109750236124849E-10 -1.093343519646869E-10 5.766729286382562E-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 15.8   n/a MPO476044  

255258 (2005 VH4)          Discovered 2005-Nov-06 by Lowe, A. at Mayhill
Reference: 20101128/Numbers.arcLast Updated: 2010-12-06

[ 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
1960-Jan-29 16:02 00:02 Jupiter 1.28828915811262 1.28828849466335 1.28828982158298 2.73680138607317 2.48497981543247 2436963.167830447 1.67596436535026 309.720844641347 31.2943685297821 84.410514875319 1575880.95892825 T 11 CATAB v2.0f-lin.ifort 2020-Nov-11 23:38:34 2020-Nov-11 23:38
2020-Jan-30 21:39 < 00:01 Jupiter 1.39312147947027 1.3931202956354 1.39312266330561 2.65628581866661 2.41657767633515 2458879.402403943 0.647287718107053 109.285198444403 69.4026472844383 73.8517296153854 1352737.92091406 T 11 CATAB v2.0f-lin.ifort 2020-Nov-11 23:38:34 2020-Nov-11 23:38
2030-Feb-17 06:58 00:01 Jupiter 1.80290546116325 1.80290369657513 1.80290722575261 2.48310823026762 2.28608990126433 2462549.790134235 1.17955798689748 232.851681614885 91.7866072676084 83.0054258222693 1480175.17717588 T 11 CATAB v2.0f-lin.ifort 2020-Nov-11 23:38:34 2020-Nov-11 23:38
2080-Jun-30 09:45 00:04 Jupiter 1.87443038950893 1.87442728463205 1.87443349803202 1.80001880579828 1.52849679777588 2480945.905925487 3.71894559457725 4923.08941452188 108.447901652233 87.5138245792405 833874.329750593 T 11 CATAB v2.0f-lin.ifort 2020-Nov-11 23:38:34 2020-Nov-11 23:38
2090-May-09 20:16 00:03 Jupiter 1.35602744114558 1.35602550144018 1.35602938098865 2.71188234350526 2.47083697970187 2484546.344634645 2.5149323390709 731.330778497761 23.3051558547932 82.3182533489212 1456234.64688697 T 11 CATAB v2.0f-lin.ifort 2020-Nov-11 23:38:34 2020-Nov-11 23:38
2150-May-08 03:08 00:04 Jupiter 1.30140002286673 1.30139817659684 1.3014018691725 2.66586544653202 2.40938350628141 2506458.630607908 4.23146810155058 444.205725242463 63.5250902057259 -79.1626943207549 1334959.38023881 T 11 CATAB v2.0f-lin.ifort 2020-Nov-11 23:38:34 2020-Nov-11 23:38

Alternate Designations
 2005 VH4 = 2001 BL46 
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