🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.5

Radius: 11.9

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.53 AU - 0.69 AU

Year: 329 Days

Day: 11.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,553,795 km

• M1: 147,952 km (0.099 R)
• M2: 574,905 km (0.066 R)
• M3: 957,426 km (0.118 R)
• M4: 1,424,022 km (0.08 R)
• M5: 1,885,681 km (0.091 R)
• M6: 2,401,495 km (0.109 R)
• M7: 2,957,700 km (0.11 R)
• M8: 3,409,934 km (0.078 R)
• M9: 4,155,230 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.4

Radius: 14.7

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.21 AU - 1.67 AU

Year: 1193 Days

Day: 13.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,553,795 km

• M1: 187,297 km (0.097 R)
• M2: 1,133,653 km (0.059 R)
• M3: 1,621,043 km (0.077 R)
• M4: 2,493,049 km (0.077 R)
• M5: 3,177,309 km (0.05 R)
• M6: 4,194,724 km (0.101 R)
• M7: 5,699,529 km (0.109 R)
• M8: 6,354,170 km (0.052 R)
• M9: 7,417,960 km (0.045 R)
• M10: 8,018,446 km (0.084 R)
• M11: 8,787,379 km (0.095 R)
• M12: 9,345,977 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.1

Radius: 10.2

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.92 AU - 5.48 AU

Year: 7033 Days

Day: 9.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,553,795 km

• M1: 127,607 km (0.113 R)
• M2: 599,289 km (0.102 R)
• M3: 929,452 km (0.119 R)
• M4: 1,409,212 km (0.036 R)
• M5: 1,913,656 km (0.074 R)
• M6: 2,464,176 km (0.108 R)
• M7: 2,816,030 km (0.082 R)
• M8: 3,906,898 km (0.118 R)
• M9: 4,521,596 km (0.08 R)
• M10: 5,111,161 km (0.101 R)
• M11: 5,719,575 km (0.108 R)
• M12: 7,528,812 km (0.108 R)
• M13: 8,986,494 km (0.097 R)
• M14: 11,462,638 km (0.057 R)
• M15: 16,267,123 km (0.118 R)
• M16: 17,047,874 km (0.03 R)
• M17: 17,447,600 km (0.087 R)
• M18: 24,135,971 km (0.066 R)
• M19: 25,583,031 km (0.049 R)
• M20: 26,906,972 km (0.089 R)
• M21: 30,660,532 km (0.102 R)
• M22: 32,356,523 km (0.028 R)
• M23: 33,072,648 km (0.066 R)
• M24: 35,825,548 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.5

Radius: 14.2

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.81 AU - 5.89 AU

Year: 7373 Days

Day: 14.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,553,795 km

• M1: 177,573 km (0.113 R)
• M2: 735,423 km (0.108 R)
• M3: 2,278,076 km (0.094 R)
• M4: 2,814,534 km (0.067 R)
• M5: 4,619,433 km (0.047 R)
• M6: 5,865,433 km (0.097 R)
• M7: 6,567,347 km (0.105 R)
• M8: 10,183,725 km (0.118 R)
• M9: 11,199,944 km (0.088 R)
• M10: 12,229,476 km (0.108 R)
• M11: 13,097,892 km (0.106 R)
• M12: 23,841,861 km (0.056 R)
• M13: 24,597,929 km (0.082 R)
• M14: 25,718,268 km (0.093 R)
• M15: 30,346,377 km (0.064 R)
• M16: 31,634,863 km (0.119 R)
• M17: 32,140,055 km (0.114 R)
• M18: 33,270,566 km (0.091 R)
• M19: 36,157,506 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.3

Radius: 14.7

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.11 AU - 5.65 AU

Year: 7441 Days

Day: 14 Hours

Environment

Temp: -229 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,553,795 km

• M1: 206,595 km (0.114 R)
• M2: 2,026,602 km (0.118 R)
• M3: 3,004,224 km (0.105 R)
• M4: 3,536,643 km (0.099 R)
• M5: 10,097,557 km (0.114 R)
• M6: 10,845,098 km (0.105 R)
• M7: 11,923,698 km (0.115 R)
• M8: 13,633,752 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 95.2

Radius: 6.9

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 7.57 AU - 9.45 AU

Year: 17136 Days

Day: 24.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,553,795 km

• M1: 134,339 km (0.063 R)
• M2: 1,492,239 km (0.09 R)
• M3: 2,189,664 km (0.075 R)
• M4: 3,791,708 km (0.047 R)
• M5: 4,182,457 km (0.082 R)
• M6: 5,859,001 km (0.035 R)
• M7: 6,381,546 km (0.106 R)
• M8: 6,899,155 km (0.086 R)
• M9: 7,407,339 km (0.083 R)
• M10: 9,691,997 km (0.072 R)
• M11: 12,887,707 km (0.078 R)
• M12: 13,379,435 km (0.081 R)
• M13: 19,570,244 km (0.057 R)
• M14: 22,410,210 km (0.083 R)
• M15: 25,941,916 km (0.116 R)
• M16: 28,339,521 km (0.077 R)
• M17: 29,077,338 km (0.077 R)
• M18: 31,662,090 km (0.118 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 223 - 18,513 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit