🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.8

Radius: 11.9

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.74 AU - 0.82 AU

Year: 445 Days

Day: 14 Hours

Environment

Temp: -144 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,795,071 km

• M1: 147,952 km (0.04 R)
• M2: 650,152 km (0.096 R)
• M3: 1,025,793 km (0.117 R)
• M4: 1,539,661 km (0.102 R)
• M5: 2,159,595 km (0.118 R)
• M6: 2,640,552 km (0.109 R)
• M7: 3,216,205 km (0.103 R)
• M8: 3,874,435 km (0.074 R)
• M9: 4,455,025 km (0.088 R)
• M10: 5,109,366 km (0.096 R)
• M11: 5,563,246 km (0.116 R)
• M12: 6,285,205 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.1

Radius: 8.9

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.89 AU - 1.21 AU

Year: 695 Days

Day: 12.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 82.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,795,071 km

• M1: 112,049 km (0.077 R)
• M2: 498,460 km (0.061 R)
• M3: 1,026,391 km (0.066 R)
• M4: 1,378,096 km (0.098 R)
• M5: 1,680,283 km (0.104 R)
• M6: 2,100,055 km (0.093 R)
• M7: 2,493,647 km (0.079 R)
• M8: 2,843,556 km (0.069 R)
• M9: 3,669,785 km (0.03 R)
• M10: 4,168,694 km (0.105 R)
• M11: 4,552,263 km (0.11 R)
• M12: 5,249,688 km (0.116 R)
• M13: 5,734,535 km (0.045 R)
• M14: 6,629,130 km (0.083 R)
• M15: 6,919,201 km (0.106 R)
• M16: 7,304,415 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.3

Radius: 9.3

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.19 AU - 1.69 AU

Year: 1116 Days

Day: 5.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,795,071 km

• M1: 116,088 km (0.052 R)
• M2: 429,795 km (0.112 R)
• M3: 1,092,214 km (0.065 R)
• M4: 1,403,677 km (0.093 R)
• M5: 1,844,991 km (0.085 R)
• M6: 2,462,680 km (0.115 R)
• M7: 3,277,540 km (0.041 R)
• M8: 4,214,920 km (0.059 R)
• M9: 4,997,317 km (0.106 R)
• M10: 5,892,959 km (0.084 R)
• M11: 6,936,105 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.6

Radius: 14.6

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.44 AU - 1.68 AU

Year: 1258 Days

Day: 10.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,795,071 km

• M1: 181,761 km (0.054 R)
• M2: 643,869 km (0.049 R)
• M3: 1,185,264 km (0.114 R)
• M4: 1,737,280 km (0.069 R)
• M5: 2,449,366 km (0.112 R)
• M6: 2,930,173 km (0.092 R)
• M7: 3,553,099 km (0.053 R)
• M8: 4,068,912 km (0.064 R)
• M9: 4,634,692 km (0.079 R)
• M10: 5,211,391 km (0.117 R)
• M11: 6,178,242 km (0.093 R)
• M12: 6,853,826 km (0.092 R)
• M13: 8,154,730 km (0.095 R)
• M14: 9,677,636 km (0.118 R)
• M15: 10,192,701 km (0.048 R)
• M16: 10,692,059 km (0.102 R)
• M17: 12,363,666 km (0.06 R)
• M18: 12,932,138 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.4

Radius: 11.2

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.37 AU - 4.81 AU

Year: 5341 Days

Day: 13.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,795,071 km

• M1: 139,276 km (0.072 R)
• M2: 488,437 km (0.076 R)
• M3: 1,301,352 km (0.094 R)
• M4: 1,746,705 km (0.092 R)
• M5: 2,912,970 km (0.069 R)
• M6: 3,941,455 km (0.11 R)
• M7: 5,549,183 km (0.085 R)
• M8: 6,107,333 km (0.091 R)
• M9: 8,047,917 km (0.077 R)
• M10: 8,440,611 km (0.087 R)
• M11: 9,961,872 km (0.064 R)
• M12: 10,740,678 km (0.063 R)
• M13: 11,559,577 km (0.086 R)
• M14: 13,267,386 km (0.116 R)
• M15: 13,816,560 km (0.112 R)
• M16: 15,375,520 km (0.093 R)
• M17: 17,048,622 km (0.12 R)
• M18: 19,254,443 km (0.115 R)
• M19: 20,607,406 km (0.071 R)
• M20: 21,047,672 km (0.108 R)
• M21: 25,296,402 km (0.081 R)
• M22: 30,842,144 km (0.079 R)
• M23: 32,890,438 km (0.11 R)
• M24: 33,592,950 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.5

Radius: 13.1

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.72 AU - 5.28 AU

Year: 6164 Days

Day: 5.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,795,071 km

• M1: 163,062 km (0.062 R)
• M2: 624,571 km (0.065 R)
• M3: 1,865,635 km (0.11 R)
• M4: 2,321,161 km (0.112 R)
• M5: 3,077,976 km (0.104 R)
• M6: 3,765,827 km (0.118 R)
• M7: 4,734,922 km (0.114 R)
• M8: 5,421,128 km (0.12 R)
• M9: 7,095,726 km (0.09 R)
• M10: 8,299,391 km (0.115 R)
• M11: 12,832,206 km (0.045 R)
• M12: 13,893,304 km (0.114 R)
• M13: 15,301,020 km (0.048 R)
• M14: 16,493,913 km (0.105 R)
• M15: 16,925,802 km (0.091 R)
• M16: 20,164,297 km (0.119 R)
• M17: 20,658,419 km (0.058 R)
• M18: 27,407,975 km (0.109 R)
• M19: 30,163,119 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.4

Radius: 8.1

Gravity: 13.92 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.03 AU - 5.73 AU

Year: 6961 Days

Day: 7.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 57,795,071 km

• M1: 101,128 km (0.099 R)
• M2: 451,636 km (0.105 R)
• M3: 818,899 km (0.111 R)
• M4: 1,119,291 km (0.078 R)
• M5: 1,442,572 km (0.116 R)
• M6: 1,827,787 km (0.073 R)
• M7: 3,251,510 km (0.068 R)
• M8: 3,943,400 km (0.096 R)
• M9: 4,615,244 km (0.111 R)
• M10: 5,206,006 km (0.09 R)
• M11: 7,516,695 km (0.045 R)
• M12: 8,547,274 km (0.108 R)
• M13: 9,622,434 km (0.103 R)
• M14: 11,192,763 km (0.116 R)
• M15: 14,585,044 km (0.084 R)
• M16: 16,919,070 km (0.094 R)
• M17: 17,749,488 km (0.084 R)
• M18: 21,423,911 km (0.113 R)
• M19: 24,513,406 km (0.098 R)
• M20: 25,040,888 km (0.097 R)
• M21: 27,040,114 km (0.047 R)
• M22: 29,045,474 km (0.043 R)
• M23: 32,604,557 km (0.055 R)
• M24: 32,922,602 km (0.067 R)
• M25: 38,413,592 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 261.7

Radius: 7.5

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 7.47 AU - 8.83 AU

Year: 15023 Days

Day: 17.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 57,795,071 km

• M1: 97,388 km (0.047 R)
• M2: 1,729,501 km (0.088 R)
• M3: 2,325,499 km (0.105 R)
• M4: 2,591,484 km (0.057 R)
• M5: 2,985,226 km (0.108 R)
• M6: 3,490,567 km (0.098 R)
• M7: 4,410,295 km (0.1 R)
• M8: 4,790,124 km (0.088 R)
• M9: 5,416,939 km (0.114 R)
• M10: 5,887,424 km (0.072 R)
• M11: 6,421,339 km (0.114 R)
• M12: 7,544,819 km (0.107 R)
• M13: 8,088,757 km (0.11 R)
• M14: 8,658,725 km (0.062 R)
• M15: 9,349,119 km (0.041 R)
• M16: 10,275,728 km (0.079 R)
• M17: 11,208,620 km (0.108 R)
• M18: 11,477,597 km (0.057 R)
• M19: 12,310,259 km (0.087 R)
• M20: 13,301,943 km (0.105 R)
• M21: 16,526,526 km (0.053 R)
• M22: 17,371,454 km (0.072 R)
• M23: 18,542,506 km (0.114 R)
• M24: 20,556,243 km (0.031 R)
• M25: 22,797,369 km (0.115 R)
• M26: 23,316,623 km (0.106 R)
• M27: 23,932,368 km (0.095 R)
• M28: 30,489,392 km (0.064 R)
• M29: 31,014,032 km (0.112 R)
• M30: 32,515,097 km (0.099 R)
• M31: 34,742,609 km (0.062 R)
• M32: 38,882,282 km (0.118 R)
• M33: 44,002,418 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387.3

Radius: 5.5

Gravity: 12.8 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 8.88 AU - 9.24 AU

Year: 17608 Days

Day: 22.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,795,071 km

• M1: 69,713 km (0.117 R)
• M2: 318,344 km (0.087 R)
• M3: 509,680 km (0.11 R)
• M4: 817,552 km (0.119 R)
• M5: 1,432,998 km (0.1 R)
• M6: 2,297,524 km (0.1 R)
• M7: 3,653,180 km (0.069 R)
• M8: 4,531,170 km (0.098 R)
• M9: 5,189,700 km (0.118 R)
• M10: 5,363,832 km (0.097 R)
• M11: 6,532,640 km (0.06 R)
• M12: 8,517,504 km (0.119 R)
• M13: 12,537,349 km (0.073 R)
• M14: 14,640,695 km (0.091 R)
• M15: 17,121,327 km (0.117 R)
• M16: 22,617,403 km (0.064 R)
• M17: 23,365,991 km (0.062 R)
• M18: 31,780,721 km (0.099 R)
• M19: 33,917,876 km (0.035 R)
• M20: 37,559,687 km (0.026 R)
• M21: 43,426,317 km (0.084 R)
• M22: 50,981,758 km (0.107 R)
• M23: 57,105,098 km (0.098 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 554 - 15,041 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit