🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.3

Radius: 9.7

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.62 AU - 0.72 AU

Year: 372 Days

Day: 7.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 73,958,958 km

• M1: 120,875 km (0.112 R)
• M2: 655,538 km (0.068 R)
• M3: 1,276,818 km (0.043 R)
• M4: 1,732,044 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.4

Radius: 14.1

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.77 AU - 0.85 AU

Year: 494 Days

Day: 6.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,958,958 km

• M1: 175,329 km (0.071 R)
• M2: 692,788 km (0.1 R)
• M3: 1,179,280 km (0.085 R)
• M4: 1,723,667 km (0.073 R)
• M5: 2,264,912 km (0.102 R)
• M6: 2,846,698 km (0.112 R)
• M7: 3,408,737 km (0.081 R)
• M8: 4,018,199 km (0.097 R)
• M9: 4,758,708 km (0.096 R)
• M10: 5,248,940 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.2

Radius: 13.1

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.9 AU - 1.18 AU

Year: 719 Days

Day: 9.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 73,958,958 km

• M1: 186,549 km (0.046 R)
• M2: 656,136 km (0.114 R)
• M3: 1,155,644 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.3

Radius: 8.1

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.94 AU - 2.84 AU

Year: 2506 Days

Day: 5.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,958,958 km

• M1: 112,049 km (0.056 R)
• M2: 379,979 km (0.065 R)
• M3: 678,426 km (0.088 R)
• M4: 1,208,900 km (0.086 R)
• M5: 1,580,950 km (0.099 R)
• M6: 2,716,697 km (0.08 R)
• M7: 5,455,535 km (0.067 R)
• M8: 6,320,809 km (0.07 R)
• M9: 6,960,490 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.2

Radius: 11.1

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.43 AU - 2.43 AU

Year: 2569 Days

Day: 13 Hours

Environment

Temp: -213 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,958,958 km

• M1: 139,874 km (0.11 R)
• M2: 537,056 km (0.079 R)
• M3: 1,146,668 km (0.088 R)
• M4: 1,541,756 km (0.057 R)
• M5: 2,382,047 km (0.068 R)
• M6: 3,038,034 km (0.104 R)
• M7: 3,826,414 km (0.091 R)
• M8: 4,372,147 km (0.1 R)
• M9: 5,007,190 km (0.085 R)
• M10: 6,736,841 km (0.064 R)
• M11: 10,184,773 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.2

Radius: 11.3

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.68 AU - 3.24 AU

Year: 3454 Days

Day: 12 Hours

Environment

Temp: -216 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,958,958 km

• M1: 140,472 km (0.039 R)
• M2: 827,875 km (0.064 R)
• M3: 1,471,445 km (0.094 R)
• M4: 3,246,723 km (0.104 R)
• M5: 3,975,563 km (0.114 R)
• M6: 7,044,265 km (0.114 R)
• M7: 8,082,474 km (0.106 R)
• M8: 10,972,854 km (0.116 R)
• M9: 13,357,444 km (0.117 R)
• M10: 14,806,898 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 470.9

Radius: 5.4

Gravity: 16.15 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 4.8 AU - 7.36 AU

Year: 10168 Days

Day: 21 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 73,958,958 km

• M1: 68,516 km (0.109 R)
• M2: 479,910 km (0.101 R)
• M3: 809,175 km (0.058 R)
• M4: 984,803 km (0.053 R)
• M5: 1,163,572 km (0.119 R)
• M6: 1,546,842 km (0.118 R)
• M7: 2,230,504 km (0.04 R)
• M8: 2,429,320 km (0.048 R)
• M9: 2,719,390 km (0.106 R)
• M10: 4,790,573 km (0.082 R)
• M11: 5,122,829 km (0.077 R)
• M12: 5,535,121 km (0.026 R)
• M13: 6,534,285 km (0.081 R)
• M14: 7,211,814 km (0.071 R)
• M15: 7,527,615 km (0.097 R)
• M16: 8,973,329 km (0.046 R)
• M17: 10,001,814 km (0.093 R)
• M18: 11,581,119 km (0.111 R)
• M19: 13,319,596 km (0.051 R)
• M20: 13,615,351 km (0.104 R)
• M21: 14,036,768 km (0.07 R)
• M22: 17,234,273 km (0.081 R)
• M23: 18,157,591 km (0.089 R)
• M24: 18,594,567 km (0.062 R)
• M25: 19,038,723 km (0.055 R)
• M26: 20,413,228 km (0.037 R)
• M27: 21,527,134 km (0.07 R)
• M28: 23,273,090 km (0.086 R)
• M29: 23,788,754 km (0.051 R)
• M30: 24,932,131 km (0.102 R)
• M31: 25,562,686 km (0.073 R)
• M32: 26,111,710 km (0.06 R)
• M33: 33,108,402 km (0.055 R)
• M34: 33,870,005 km (0.071 R)
• M35: 36,454,757 km (0.112 R)
• M36: 36,917,314 km (0.076 R)
• M37: 37,150,088 km (0.109 R)
• M38: 41,886,357 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 960.1

Radius: 5.1

Gravity: 36.91 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 7.2 AU - 9.38 AU

Year: 16189 Days

Day: 19.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 73,958,958 km

• M1: 63,429 km (0.12 R)
• M2: 225,743 km (0.099 R)
• M3: 389,403 km (0.086 R)
• M4: 645,814 km (0.096 R)
• M5: 986,149 km (0.112 R)
• M6: 1,423,125 km (0.059 R)
• M7: 1,668,315 km (0.077 R)
• M8: 1,922,183 km (0.109 R)
• M9: 3,204,686 km (0.074 R)
• M10: 5,268,987 km (0.079 R)
• M11: 5,499,218 km (0.105 R)
• M12: 6,021,015 km (0.049 R)
• M13: 6,272,639 km (0.064 R)
• M14: 8,493,718 km (0.092 R)
• M15: 9,808,235 km (0.037 R)
• M16: 10,574,026 km (0.079 R)
• M17: 12,833,253 km (0.027 R)
• M18: 14,857,462 km (0.053 R)
• M19: 16,265,477 km (0.044 R)
• M20: 19,892,328 km (0.109 R)
• M21: 23,298,522 km (0.103 R)
• M22: 24,444,442 km (0.092 R)
• M23: 24,870,347 km (0.085 R)
• M24: 33,930,742 km (0.08 R)
• M25: 34,327,625 km (0.047 R)
• M26: 35,130,666 km (0.086 R)
• M27: 39,334,516 km (0.086 R)
• M28: 40,807,008 km (0.062 R)
• M29: 50,421,214 km (0.095 R)
• M30: 52,157,447 km (0.088 R)
• M31: 53,040,374 km (0.083 R)
• M32: 53,574,887 km (0.113 R)
• M33: 54,473,821 km (0.106 R)
• M34: 58,928,396 km (0.062 R)
• M35: 71,547,126 km (0.066 R)
• M36: 73,075,717 km (0.093 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 10,895 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit