🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.6

Radius: 12.5

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.71 AU - 0.99 AU

Year: 541 Days

Day: 9.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,987,482 km

• M1: 155,582 km (0.107 R)
• M2: 590,612 km (0.089 R)
• M3: 1,162,226 km (0.025 R)
• M4: 1,732,343 km (0.064 R)
• M5: 2,209,261 km (0.104 R)
• M6: 2,904,592 km (0.07 R)
• M7: 3,359,370 km (0.102 R)
• M8: 3,781,236 km (0.092 R)
• M9: 4,748,386 km (0.12 R)
• M10: 5,537,814 km (0.101 R)
• M11: 5,964,467 km (0.041 R)
• M12: 6,528,750 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.2

Radius: 13.9

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.41 AU - 1.87 AU

Year: 1450 Days

Day: 7.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,987,482 km

• M1: 172,935 km (0.099 R)
• M2: 615,296 km (0.101 R)
• M3: 1,486,853 km (0.041 R)
• M4: 2,107,236 km (0.108 R)
• M5: 2,552,888 km (0.052 R)
• M6: 3,010,807 km (0.097 R)
• M7: 3,509,865 km (0.111 R)
• M8: 3,985,886 km (0.085 R)
• M9: 4,659,226 km (0.104 R)
• M10: 6,362,697 km (0.105 R)
• M11: 7,144,944 km (0.104 R)
• M12: 8,141,864 km (0.118 R)
• M13: 8,660,819 km (0.117 R)
• M14: 9,174,389 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.3

Radius: 8.4

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.97 AU - 2.19 AU

Year: 2071 Days

Day: 10.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,987,482 km

• M1: 104,569 km (0.033 R)
• M2: 411,993 km (0.032 R)
• M3: 726,447 km (0.115 R)
• M4: 1,039,107 km (0.097 R)
• M5: 1,302,549 km (0.119 R)
• M6: 1,601,595 km (0.101 R)
• M7: 2,003,115 km (0.118 R)
• M8: 2,431,265 km (0.086 R)
• M9: 3,085,905 km (0.09 R)
• M10: 3,372,235 km (0.106 R)
• M11: 3,889,096 km (0.098 R)
• M12: 4,497,660 km (0.065 R)
• M13: 5,212,139 km (0.064 R)
• M14: 5,784,202 km (0.117 R)
• M15: 6,073,374 km (0.086 R)
• M16: 6,602,652 km (0.094 R)
• M17: 6,945,530 km (0.075 R)
• M18: 7,581,321 km (0.088 R)
• M19: 8,075,742 km (0.099 R)
• M20: 9,356,898 km (0.111 R)
• M21: 10,166,821 km (0.063 R)
• M22: 13,750,887 km (0.095 R)
• M23: 14,931,214 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.3

Radius: 8.4

Gravity: 11.67 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.32 AU - 4.9 AU

Year: 5751 Days

Day: 7.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 37,987,482 km

• M1: 105,915 km (0.097 R)
• M2: 448,794 km (0.108 R)
• M3: 1,015,770 km (0.098 R)
• M4: 1,572,722 km (0.11 R)
• M5: 2,253,842 km (0.101 R)
• M6: 4,015,207 km (0.103 R)
• M7: 4,550,019 km (0.081 R)
• M8: 5,855,859 km (0.045 R)
• M9: 6,375,562 km (0.056 R)
• M10: 8,439,115 km (0.115 R)
• M11: 8,766,435 km (0.05 R)
• M12: 9,844,437 km (0.07 R)
• M13: 11,105,248 km (0.082 R)
• M14: 11,850,545 km (0.088 R)
• M15: 12,313,550 km (0.07 R)
• M16: 14,286,896 km (0.12 R)
• M17: 14,752,444 km (0.078 R)
• M18: 15,168,177 km (0.065 R)
• M19: 15,469,766 km (0.102 R)
• M20: 16,909,347 km (0.074 R)
• M21: 17,761,456 km (0.113 R)
• M22: 18,918,596 km (0.112 R)
• M23: 20,710,479 km (0.112 R)
• M24: 21,231,678 km (0.117 R)
• M25: 22,769,544 km (0.078 R)
• M26: 25,979,465 km (0.117 R)
• M27: 26,673,151 km (0.12 R)
• M28: 30,711,844 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.6

Radius: 7.9

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.83 AU - 9.51 AU

Year: 14662 Days

Day: 15.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 37,987,482 km

• M1: 98,286 km (0.025 R)
• M2: 410,497 km (0.081 R)
• M3: 764,146 km (0.036 R)
• M4: 1,459,926 km (0.1 R)
• M5: 2,415,706 km (0.094 R)
• M6: 2,786,859 km (0.094 R)
• M7: 3,068,851 km (0.103 R)
• M8: 4,474,472 km (0.07 R)
• M9: 5,643,879 km (0.077 R)
• M10: 6,681,191 km (0.088 R)
• M11: 7,152,125 km (0.109 R)
• M12: 8,364,466 km (0.095 R)
• M13: 8,783,190 km (0.089 R)
• M14: 9,259,959 km (0.074 R)
• M15: 11,907,093 km (0.093 R)
• M16: 12,223,343 km (0.094 R)
• M17: 19,863,605 km (0.077 R)
• M18: 20,912,885 km (0.105 R)
• M19: 21,451,138 km (0.061 R)
• M20: 23,284,909 km (0.093 R)
• M21: 24,535,696 km (0.081 R)
• M22: 27,261,669 km (0.108 R)
• M23: 30,574,663 km (0.107 R)
• M24: 33,515,608 km (0.082 R)
• M25: 36,307,852 km (0.08 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: 349 - 18,538 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit