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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 ]

[ show orbit diagram ]
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 
[ 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 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 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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