🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914

Radius: 12.9

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.67 AU - 0.83 AU

Year: 419 Days

Day: 6.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,557,750 km

• M1: 160,668 km (0.103 R)
• M2: 627,114 km (0.066 R)
• M3: 1,239,269 km (0.081 R)
• M4: 1,705,715 km (0.062 R)
• M5: 2,605,845 km (0.059 R)
• M6: 3,268,564 km (0.074 R)
• M7: 3,672,478 km (0.106 R)
• M8: 4,165,254 km (0.051 R)
• M9: 4,762,897 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.2

Radius: 12.1

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.77 AU - 1.19 AU

Year: 626 Days

Day: 6.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 150.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,557,750 km

• M1: 150,495 km (0.08 R)
• M2: 562,488 km (0.116 R)
• M3: 987,047 km (0.104 R)
• M4: 1,382,434 km (0.058 R)
• M5: 1,809,087 km (0.085 R)
• M6: 2,243,669 km (0.058 R)
• M7: 2,904,592 km (0.092 R)
• M8: 3,616,828 km (0.103 R)
• M9: 4,135,932 km (0.119 R)
• M10: 4,528,627 km (0.037 R)
• M11: 5,054,613 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505

Radius: 14

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.92 AU - 1.16 AU

Year: 685 Days

Day: 13 Hours

Environment

Temp: -166 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,557,750 km

• M1: 180,116 km (0.079 R)
• M2: 661,671 km (0.053 R)
• M3: 1,123,480 km (0.104 R)
• M4: 1,568,683 km (0.088 R)
• M5: 2,437,847 km (0.092 R)
• M6: 3,040,577 km (0.035 R)
• M7: 3,975,264 km (0.09 R)
• M8: 4,457,269 km (0.032 R)
• M9: 5,434,741 km (0.108 R)
• M10: 6,374,066 km (0.1 R)
• M11: 6,975,599 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.6

Radius: 10.8

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.29 AU - 1.77 AU

Year: 1222 Days

Day: 9 Hours

Environment

Temp: -170 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,557,750 km

• M1: 134,339 km (0.117 R)
• M2: 770,429 km (0.029 R)
• M3: 1,318,107 km (0.056 R)
• M4: 1,723,218 km (0.08 R)
• M5: 2,123,841 km (0.1 R)
• M6: 2,478,388 km (0.037 R)
• M7: 2,968,620 km (0.101 R)
• M8: 4,299,892 km (0.065 R)
• M9: 6,499,728 km (0.094 R)
• M10: 7,122,205 km (0.081 R)
• M11: 8,313,154 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.4

Radius: 10.8

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.91 AU - 1.93 AU

Year: 1718 Days

Day: 11.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,557,750 km

• M1: 139,425 km (0.104 R)
• M2: 562,189 km (0.101 R)
• M3: 1,069,475 km (0.088 R)
• M4: 1,433,896 km (0.113 R)
• M5: 1,892,862 km (0.102 R)
• M6: 2,232,599 km (0.037 R)
• M7: 3,023,822 km (0.091 R)
• M8: 3,621,615 km (0.094 R)
• M9: 4,027,474 km (0.055 R)
• M10: 5,518,067 km (0.116 R)
• M11: 5,988,253 km (0.116 R)
• M12: 7,779,388 km (0.034 R)
• M13: 8,487,585 km (0.036 R)
• M14: 10,564,751 km (0.074 R)
• M15: 12,576,244 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.6

Radius: 11

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.8 AU - 2.12 AU

Year: 1772 Days

Day: 11.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,557,750 km

• M1: 136,732 km (0.118 R)
• M2: 608,714 km (0.114 R)
• M3: 1,194,689 km (0.106 R)
• M4: 1,663,977 km (0.099 R)
• M5: 2,499,332 km (0.095 R)
• M6: 3,876,230 km (0.057 R)
• M7: 4,586,521 km (0.056 R)
• M8: 5,336,156 km (0.096 R)
• M9: 6,443,479 km (0.097 R)
• M10: 7,726,880 km (0.107 R)
• M11: 8,200,506 km (0.119 R)
• M12: 8,915,136 km (0.083 R)
• M13: 10,939,045 km (0.109 R)
• M14: 11,805,366 km (0.119 R)
• M15: 12,595,243 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.2

Radius: 10.7

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.39 AU - 3.73 AU

Year: 3456 Days

Day: 10.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,557,750 km

• M1: 133,292 km (0.098 R)
• M2: 529,128 km (0.094 R)
• M3: 883,076 km (0.118 R)
• M4: 1,337,555 km (0.055 R)
• M5: 1,840,802 km (0.091 R)
• M6: 2,808,700 km (0.119 R)
• M7: 3,301,027 km (0.119 R)
• M8: 3,754,607 km (0.092 R)
• M9: 4,332,803 km (0.078 R)
• M10: 5,922,729 km (0.084 R)
• M11: 6,849,638 km (0.116 R)
• M12: 8,853,052 km (0.097 R)
• M13: 9,409,556 km (0.103 R)
• M14: 10,553,980 km (0.106 R)
• M15: 11,501,982 km (0.1 R)
• M16: 12,122,663 km (0.041 R)
• M17: 13,841,543 km (0.101 R)
• M18: 16,952,281 km (0.082 R)
• M19: 17,647,762 km (0.091 R)
• M20: 19,095,869 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11

Radius: 13.4

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 4.04 AU - 5.76 AU

Year: 7003 Days

Day: 8.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,557,750 km

• M1: 167,250 km (0.082 R)
• M2: 589,416 km (0.093 R)
• M3: 1,530,386 km (0.099 R)
• M4: 2,704,430 km (0.063 R)
• M5: 3,492,063 km (0.114 R)
• M6: 4,630,503 km (0.069 R)
• M7: 5,164,866 km (0.103 R)
• M8: 6,487,162 km (0.057 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.1

Radius: 12.8

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.62 AU - 6.44 AU

Year: 8397 Days

Day: 11.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 34,557,750 km

• M1: 159,471 km (0.108 R)
• M2: 683,812 km (0.12 R)
• M3: 1,183,918 km (0.057 R)
• M4: 2,122,195 km (0.091 R)
• M5: 2,582,358 km (0.104 R)
• M6: 3,129,587 km (0.111 R)
• M7: 3,595,435 km (0.103 R)
• M8: 4,156,726 km (0.089 R)
• M9: 4,589,363 km (0.095 R)
• M10: 4,995,970 km (0.1 R)
• M11: 5,545,743 km (0.108 R)
• M12: 7,259,985 km (0.063 R)
• M13: 8,597,689 km (0.111 R)
• M14: 9,959,029 km (0.111 R)
• M15: 11,557,931 km (0.111 R)
• M16: 12,059,384 km (0.117 R)
• M17: 12,732,724 km (0.102 R)
• M18: 13,213,531 km (0.106 R)
• M19: 15,378,811 km (0.107 R)
• M20: 16,357,779 km (0.109 R)
• M21: 17,705,357 km (0.114 R)
• M22: 18,304,945 km (0.045 R)
• M23: 19,474,501 km (0.088 R)
• M24: 20,329,752 km (0.111 R)
• M25: 22,654,952 km (0.081 R)
• M26: 23,520,974 km (0.063 R)
• M27: 30,213,983 km (0.095 R)
• M28: 32,238,491 km (0.109 R)
• M29: 32,932,924 km (0.107 R)
• M30: 34,044,287 km (0.099 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 316 - 12,349 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit