🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.3

Radius: 9.2

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.9 AU - 1.38 AU

Year: 786 Days

Day: 9.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,208,953 km

• M1: 114,442 km (0.119 R)
• M2: 422,614 km (0.103 R)
• M3: 819,048 km (0.104 R)
• M4: 1,207,554 km (0.089 R)
• M5: 1,514,828 km (0.097 R)
• M6: 1,960,929 km (0.069 R)
• M7: 3,345,158 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.9

Radius: 8.2

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.12 AU - 1.34 AU

Year: 881 Days

Day: 5.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,208,953 km

• M1: 104,120 km (0.118 R)
• M2: 475,871 km (0.089 R)
• M3: 945,309 km (0.068 R)
• M4: 1,506,600 km (0.045 R)
• M5: 2,254,590 km (0.117 R)
• M6: 3,216,953 km (0.045 R)
• M7: 3,623,859 km (0.119 R)
• M8: 4,275,507 km (0.106 R)
• M9: 4,918,180 km (0.057 R)
• M10: 5,495,478 km (0.107 R)
• M11: 6,394,860 km (0.088 R)
• M12: 7,300,675 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.1

Radius: 9.5

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.16 AU - 1.72 AU

Year: 1116 Days

Day: 15 Hours

Environment

Temp: -178 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,208,953 km

• M1: 118,182 km (0.103 R)
• M2: 421,866 km (0.107 R)
• M3: 733,778 km (0.118 R)
• M4: 1,223,860 km (0.118 R)
• M5: 2,107,086 km (0.086 R)
• M6: 2,800,622 km (0.095 R)
• M7: 3,109,841 km (0.089 R)
• M8: 3,672,777 km (0.037 R)
• M9: 4,227,636 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559

Radius: 14.1

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.17 AU - 2.51 AU

Year: 2311 Days

Day: 10.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,208,953 km

• M1: 176,077 km (0.119 R)
• M2: 1,212,042 km (0.086 R)
• M3: 2,549,896 km (0.096 R)
• M4: 4,531,170 km (0.079 R)
• M5: 6,000,071 km (0.06 R)
• M6: 7,561,724 km (0.068 R)
• M7: 8,128,101 km (0.078 R)
• M8: 9,549,281 km (0.105 R)
• M9: 10,536,477 km (0.055 R)
• M10: 11,017,434 km (0.039 R)
• M11: 11,513,202 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.4

Radius: 10.8

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.73 AU - 4.29 AU

Year: 5185 Days

Day: 12.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,208,953 km

• M1: 144,212 km (0.067 R)
• M2: 483,052 km (0.052 R)
• M3: 830,119 km (0.11 R)
• M4: 1,895,854 km (0.086 R)
• M5: 2,325,499 km (0.119 R)
• M6: 5,328,227 km (0.098 R)
• M7: 6,422,237 km (0.056 R)
• M8: 9,281,052 km (0.08 R)
• M9: 13,918,287 km (0.046 R)
• M10: 14,538,669 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.7

Radius: 9.4

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.74 AU - 5.1 AU

Year: 6000 Days

Day: 7.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,208,953 km

• M1: 116,986 km (0.101 R)
• M2: 500,255 km (0.101 R)
• M3: 1,340,547 km (0.09 R)
• M4: 1,637,648 km (0.116 R)
• M5: 4,222,849 km (0.087 R)
• M6: 4,665,808 km (0.117 R)
• M7: 5,530,184 km (0.113 R)
• M8: 6,821,962 km (0.095 R)
• M9: 9,405,368 km (0.088 R)
• M10: 10,162,632 km (0.051 R)
• M11: 10,512,093 km (0.098 R)
• M12: 11,467,574 km (0.083 R)
• M13: 13,342,036 km (0.092 R)
• M14: 16,464,143 km (0.089 R)
• M15: 20,247,922 km (0.041 R)
• M16: 21,508,583 km (0.069 R)
• M17: 24,496,352 km (0.077 R)
• M18: 26,580,400 km (0.105 R)
• M19: 28,779,938 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 941.4

Radius: 3.4

Gravity: 81.44 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 5.39 AU - 7.95 AU

Year: 11123 Days

Day: 18.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 57,208,953 km

• M1: 42,336 km (0.084 R)
• M2: 156,629 km (0.056 R)
• M3: 353,949 km (0.102 R)
• M4: 684,859 km (0.107 R)
• M5: 842,535 km (0.097 R)
• M6: 1,058,704 km (0.059 R)
• M7: 1,180,028 km (0.108 R)
• M8: 1,509,891 km (0.094 R)
• M9: 2,191,459 km (0.05 R)
• M10: 2,410,171 km (0.086 R)
• M11: 2,914,466 km (0.104 R)
• M12: 3,330,049 km (0.117 R)
• M13: 4,493,022 km (0.038 R)
• M14: 5,012,277 km (0.056 R)
• M15: 6,892,124 km (0.098 R)
• M16: 7,404,646 km (0.044 R)
• M17: 8,409,345 km (0.038 R)
• M18: 8,994,123 km (0.114 R)
• M19: 9,605,380 km (0.104 R)
• M20: 10,189,560 km (0.117 R)
• M21: 11,024,017 km (0.119 R)
• M22: 11,311,993 km (0.1 R)
• M23: 11,783,076 km (0.088 R)
• M24: 13,339,792 km (0.105 R)
• M25: 15,525,267 km (0.071 R)
• M26: 15,814,290 km (0.082 R)
• M27: 17,467,945 km (0.088 R)
• M28: 17,859,143 km (0.086 R)
• M29: 18,416,695 km (0.108 R)
• M30: 22,464,364 km (0.094 R)
• M31: 24,063,117 km (0.084 R)
• M32: 25,535,459 km (0.109 R)
• M33: 29,642,070 km (0.077 R)
• M34: 33,925,207 km (0.055 R)
• M35: 37,946,846 km (0.079 R)
• M36: 42,274,862 km (0.077 R)
• M37: 46,024,683 km (0.076 R)
• M38: 52,540,119 km (0.083 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 19,949 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit