🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.7

Radius: 10.5

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.48 AU - 0.54 AU

Year: 251 Days

Day: 14.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,428,807 km

• M1: 131,197 km (0.095 R)
• M2: 506,688 km (0.039 R)
• M3: 864,227 km (0.109 R)
• M4: 1,414,298 km (0.107 R)
• M5: 1,763,908 km (0.111 R)
• M6: 2,109,779 km (0.109 R)
• M7: 2,518,630 km (0.099 R)
• M8: 3,089,196 km (0.057 R)
• M9: 4,026,127 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.3

Radius: 9.9

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.6 AU - 0.62 AU

Year: 329 Days

Day: 14.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,428,807 km

• M1: 123,119 km (0.09 R)
• M2: 481,556 km (0.098 R)
• M3: 915,988 km (0.076 R)
• M4: 1,240,017 km (0.095 R)
• M5: 1,601,744 km (0.069 R)
• M6: 1,946,867 km (0.118 R)
• M7: 2,664,936 km (0.105 R)
• M8: 3,314,790 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.9

Radius: 8.2

Gravity: 14.28 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.95 AU - 1.41 AU

Year: 885 Days

Day: 14.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,428,807 km

• M1: 102,026 km (0.086 R)
• M2: 742,305 km (0.081 R)
• M3: 1,095,655 km (0.085 R)
• M4: 2,160,044 km (0.113 R)
• M5: 2,689,620 km (0.084 R)
• M6: 3,012,303 km (0.107 R)
• M7: 3,735,608 km (0.078 R)
• M8: 4,239,304 km (0.117 R)
• M9: 4,917,731 km (0.088 R)
• M10: 5,482,612 km (0.1 R)
• M11: 5,854,513 km (0.099 R)
• M12: 6,466,368 km (0.092 R)
• M13: 7,998,699 km (0.104 R)
• M14: 8,289,218 km (0.104 R)
• M15: 9,969,501 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.5

Radius: 9.7

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.57 AU - 2.33 AU

Year: 1880 Days

Day: 9.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 89 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,428,807 km

• M1: 120,875 km (0.073 R)
• M2: 435,479 km (0.117 R)
• M3: 1,243,158 km (0.089 R)
• M4: 1,567,636 km (0.038 R)
• M5: 2,015,831 km (0.091 R)
• M6: 3,054,639 km (0.096 R)
• M7: 3,414,871 km (0.074 R)
• M8: 4,269,822 km (0.119 R)
• M9: 4,601,631 km (0.111 R)
• M10: 5,488,147 km (0.038 R)
• M11: 5,962,074 km (0.062 R)
• M12: 6,398,899 km (0.065 R)
• M13: 7,741,839 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508

Radius: 13.6

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.82 AU - 4.14 AU

Year: 4481 Days

Day: 7.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,428,807 km

• M1: 169,195 km (0.088 R)
• M2: 1,366,277 km (0.044 R)
• M3: 1,808,638 km (0.114 R)
• M4: 2,772,647 km (0.05 R)
• M5: 4,624,968 km (0.057 R)
• M6: 5,841,348 km (0.114 R)
• M7: 6,271,592 km (0.092 R)
• M8: 8,714,674 km (0.079 R)
• M9: 9,946,613 km (0.03 R)
• M10: 12,802,137 km (0.101 R)
• M11: 13,236,569 km (0.053 R)
• M12: 15,288,304 km (0.09 R)
• M13: 18,875,511 km (0.1 R)
• M14: 22,497,575 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 431

Radius: 4.5

Gravity: 21.28 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.1 AU - 7.32 AU

Year: 10682 Days

Day: 24.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 67,428,807 km

• M1: 62,382 km (0.098 R)
• M2: 262,843 km (0.117 R)
• M3: 409,300 km (0.058 R)
• M4: 598,092 km (0.037 R)
• M5: 2,006,257 km (0.07 R)
• M6: 2,227,213 km (0.083 R)
• M7: 2,389,527 km (0.046 R)
• M8: 3,119,564 km (0.114 R)
• M9: 3,346,504 km (0.06 R)
• M10: 3,807,864 km (0.062 R)
• M11: 4,201,007 km (0.11 R)
• M12: 5,037,409 km (0.116 R)
• M13: 6,152,811 km (0.106 R)
• M14: 7,383,702 km (0.091 R)
• M15: 7,787,018 km (0.119 R)
• M16: 8,290,116 km (0.048 R)
• M17: 8,462,602 km (0.037 R)
• M18: 8,949,244 km (0.115 R)
• M19: 9,407,462 km (0.105 R)
• M20: 11,936,564 km (0.056 R)
• M21: 14,076,112 km (0.041 R)
• M22: 17,851,514 km (0.051 R)
• M23: 27,320,012 km (0.054 R)
• M24: 28,477,301 km (0.119 R)
• M25: 33,981,007 km (0.096 R)
• M26: 35,885,986 km (0.114 R)
• M27: 40,895,420 km (0.09 R)
• M28: 41,395,526 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 758.7

Radius: 4.3

Gravity: 41.03 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 7.09 AU - 9.07 AU

Year: 15854 Days

Day: 20.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,428,807 km

• M1: 53,706 km (0.075 R)
• M2: 194,776 km (0.104 R)
• M3: 625,469 km (0.109 R)
• M4: 1,093,560 km (0.087 R)
• M5: 2,220,032 km (0.091 R)
• M6: 2,430,965 km (0.033 R)
• M7: 4,834,255 km (0.072 R)
• M8: 5,753,684 km (0.05 R)
• M9: 6,316,620 km (0.072 R)
• M10: 7,093,333 km (0.112 R)
• M11: 7,835,488 km (0.115 R)
• M12: 10,840,460 km (0.088 R)
• M13: 13,820,749 km (0.107 R)
• M14: 16,266,824 km (0.083 R)
• M15: 16,423,752 km (0.098 R)
• M16: 21,425,856 km (0.074 R)
• M17: 22,671,557 km (0.041 R)
• M18: 28,477,451 km (0.072 R)
• M19: 29,049,663 km (0.089 R)
• M20: 29,512,967 km (0.093 R)
• M21: 30,099,092 km (0.069 R)
• M22: 30,335,606 km (0.11 R)
• M23: 33,272,212 km (0.062 R)
• M24: 40,129,928 km (0.037 R)
• M25: 41,284,524 km (0.048 R)
• M26: 43,508,746 km (0.086 R)
• M27: 55,835,909 km (0.055 R)
• M28: 58,552,158 km (0.05 R)
• M29: 59,662,922 km (0.076 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 15,834 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit