🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.3

Radius: 10.6

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.77 AU - 1.03 AU

Year: 600 Days

Day: 8.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,644,200 km

• M1: 131,796 km (0.094 R)
• M2: 726,148 km (0.116 R)
• M3: 1,140,684 km (0.076 R)
• M4: 1,488,499 km (0.115 R)
• M5: 1,908,420 km (0.108 R)
• M6: 2,335,073 km (0.109 R)
• M7: 2,699,194 km (0.102 R)
• M8: 3,188,978 km (0.033 R)
• M9: 3,751,765 km (0.095 R)
• M10: 4,348,062 km (0.115 R)
• M11: 5,111,011 km (0.083 R)
• M12: 6,338,163 km (0.049 R)
• M13: 6,795,184 km (0.053 R)
• M14: 7,185,335 km (0.114 R)
• M15: 8,034,602 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.7

Radius: 14.8

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.96 AU - 1.02 AU

Year: 692 Days

Day: 10.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,644,200 km

• M1: 184,005 km (0.112 R)
• M2: 754,721 km (0.049 R)
• M3: 1,323,044 km (0.096 R)
• M4: 1,847,683 km (0.081 R)
• M5: 2,753,648 km (0.118 R)
• M6: 4,043,032 km (0.111 R)
• M7: 4,553,161 km (0.102 R)
• M8: 5,176,386 km (0.115 R)
• M9: 6,108,979 km (0.07 R)
• M10: 6,784,263 km (0.116 R)
• M11: 7,668,985 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.6

Radius: 9.1

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.11 AU - 2.47 AU

Year: 2436 Days

Day: 8.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 32,644,200 km

• M1: 115,041 km (0.092 R)
• M2: 403,765 km (0.1 R)
• M3: 806,333 km (0.089 R)
• M4: 1,180,028 km (0.071 R)
• M5: 1,668,315 km (0.12 R)
• M6: 2,065,049 km (0.112 R)
• M7: 3,410,682 km (0.096 R)
• M8: 3,896,127 km (0.047 R)
• M9: 4,342,377 km (0.083 R)
• M10: 4,754,819 km (0.091 R)
• M11: 5,337,353 km (0.051 R)
• M12: 6,071,729 km (0.091 R)
• M13: 6,394,711 km (0.054 R)
• M14: 6,929,673 km (0.059 R)
• M15: 8,547,125 km (0.118 R)
• M16: 9,337,301 km (0.096 R)
• M17: 10,440,136 km (0.059 R)
• M18: 14,034,524 km (0.052 R)
• M19: 15,628,190 km (0.074 R)
• M20: 16,082,968 km (0.095 R)
• M21: 17,663,170 km (0.108 R)
• M22: 18,828,986 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.2

Radius: 13.6

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.83 AU - 3.99 AU

Year: 4426 Days

Day: 10.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 32,644,200 km

• M1: 169,195 km (0.068 R)
• M2: 904,170 km (0.057 R)
• M3: 1,710,203 km (0.108 R)
• M4: 2,227,811 km (0.079 R)
• M5: 2,903,844 km (0.111 R)
• M6: 3,360,866 km (0.099 R)
• M7: 4,569,317 km (0.095 R)
• M8: 5,192,093 km (0.114 R)
• M9: 5,930,209 km (0.092 R)
• M10: 6,576,622 km (0.106 R)
• M11: 7,100,364 km (0.09 R)
• M12: 7,651,781 km (0.091 R)
• M13: 8,570,911 km (0.056 R)
• M14: 9,277,162 km (0.081 R)
• M15: 10,584,498 km (0.102 R)
• M16: 11,444,536 km (0.118 R)
• M17: 12,997,661 km (0.075 R)
• M18: 13,719,770 km (0.091 R)
• M19: 14,305,745 km (0.075 R)
• M20: 15,642,402 km (0.098 R)
• M21: 18,053,022 km (0.101 R)
• M22: 19,612,879 km (0.114 R)
• M23: 20,701,653 km (0.082 R)
• M24: 21,902,325 km (0.11 R)
• M25: 22,409,911 km (0.092 R)
• M26: 25,224,894 km (0.095 R)
• M27: 27,172,359 km (0.119 R)
• M28: 28,268,014 km (0.052 R)
• M29: 28,783,528 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.6

Radius: 9.4

Gravity: 8.89 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.1 AU - 4.54 AU

Year: 5248 Days

Day: 10.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 61.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,644,200 km

• M1: 116,836 km (0.092 R)
• M2: 413,788 km (0.12 R)
• M3: 722,259 km (0.115 R)
• M4: 1,307,186 km (0.096 R)
• M5: 1,987,557 km (0.105 R)
• M6: 3,451,073 km (0.104 R)
• M7: 4,158,522 km (0.098 R)
• M8: 4,482,700 km (0.1 R)
• M9: 5,210,344 km (0.081 R)
• M10: 7,868,998 km (0.077 R)
• M11: 8,367,009 km (0.105 R)
• M12: 10,076,165 km (0.071 R)
• M13: 12,615,140 km (0.115 R)
• M14: 13,458,722 km (0.105 R)
• M15: 14,793,733 km (0.076 R)
• M16: 15,851,540 km (0.105 R)
• M17: 17,085,124 km (0.077 R)
• M18: 18,985,765 km (0.065 R)
• M19: 20,022,329 km (0.062 R)
• M20: 22,283,351 km (0.111 R)
• M21: 23,202,630 km (0.11 R)
• M22: 27,566,998 km (0.111 R)
• M23: 28,626,001 km (0.083 R)
• M24: 31,582,504 km (0.099 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 15,917 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit