🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.9

Radius: 14.7

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.62 AU - 0.7 AU

Year: 358 Days

Day: 5.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,328,517 km

• M1: 182,809 km (0.056 R)
• M2: 683,213 km (0.088 R)
• M3: 1,176,737 km (0.096 R)
• M4: 1,662,032 km (0.03 R)
• M5: 2,213,749 km (0.086 R)
• M6: 2,915,962 km (0.088 R)
• M7: 3,446,585 km (0.046 R)
• M8: 3,959,257 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.2

Radius: 12.6

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.66 AU - 0.88 AU

Year: 451 Days

Day: 9.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 72,328,517 km

• M1: 156,928 km (0.054 R)
• M2: 565,779 km (0.098 R)
• M3: 1,076,357 km (0.11 R)
• M4: 1,831,976 km (0.065 R)
• M5: 2,275,533 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911

Radius: 14.9

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.87 AU - 0.97 AU

Year: 588 Days

Day: 14.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,328,517 km

• M1: 193,131 km (0.082 R)
• M2: 787,483 km (0.046 R)
• M3: 1,567,935 km (0.104 R)
• M4: 2,294,981 km (0.046 R)
• M5: 2,868,539 km (0.095 R)
• M6: 3,406,194 km (0.106 R)
• M7: 5,332,416 km (0.08 R)
• M8: 6,270,694 km (0.08 R)
• M9: 7,228,719 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.6

Radius: 14.6

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.33 AU - 4.45 AU

Year: 5116 Days

Day: 10.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,328,517 km

• M1: 181,612 km (0.118 R)
• M2: 739,462 km (0.102 R)
• M3: 1,873,564 km (0.066 R)
• M4: 2,354,521 km (0.077 R)
• M5: 2,885,145 km (0.102 R)
• M6: 5,919,737 km (0.109 R)
• M7: 6,461,880 km (0.064 R)
• M8: 7,679,307 km (0.11 R)
• M9: 8,152,037 km (0.113 R)
• M10: 9,156,287 km (0.115 R)
• M11: 10,241,470 km (0.081 R)
• M12: 12,208,233 km (0.087 R)
• M13: 13,185,407 km (0.052 R)
• M14: 14,063,995 km (0.089 R)
• M15: 18,448,709 km (0.034 R)
• M16: 19,861,212 km (0.11 R)
• M17: 20,433,124 km (0.101 R)
• M18: 21,015,958 km (0.094 R)
• M19: 21,543,440 km (0.108 R)
• M20: 23,459,340 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.8

Radius: 10.5

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.38 AU - 5.48 AU

Year: 6218 Days

Day: 14.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,328,517 km

• M1: 134,040 km (0.118 R)
• M2: 550,670 km (0.108 R)
• M3: 1,083,238 km (0.095 R)
• M4: 1,590,375 km (0.071 R)
• M5: 1,984,117 km (0.089 R)
• M6: 2,459,688 km (0.105 R)
• M7: 3,086,952 km (0.069 R)
• M8: 5,651,359 km (0.059 R)
• M9: 6,072,626 km (0.107 R)
• M10: 6,645,287 km (0.062 R)
• M11: 9,427,209 km (0.092 R)
• M12: 9,892,010 km (0.08 R)
• M13: 10,821,760 km (0.11 R)
• M14: 20,185,241 km (0.098 R)
• M15: 24,170,678 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 470.5

Radius: 5.1

Gravity: 18.09 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 8.62 AU - 12.18 AU

Year: 22366 Days

Day: 23.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 72,328,517 km

• M1: 63,429 km (0.102 R)
• M2: 253,269 km (0.109 R)
• M3: 843,433 km (0.102 R)
• M4: 1,062,444 km (0.066 R)
• M5: 1,275,771 km (0.098 R)
• M6: 1,718,730 km (0.036 R)
• M7: 2,174,854 km (0.114 R)
• M8: 3,723,940 km (0.114 R)
• M9: 4,317,245 km (0.098 R)
• M10: 7,614,232 km (0.106 R)
• M11: 10,401,390 km (0.099 R)
• M12: 11,067,400 km (0.092 R)
• M13: 12,822,482 km (0.068 R)
• M14: 13,516,916 km (0.106 R)
• M15: 13,730,093 km (0.107 R)
• M16: 15,056,577 km (0.089 R)
• M17: 15,285,761 km (0.119 R)
• M18: 16,872,845 km (0.05 R)
• M19: 20,557,291 km (0.116 R)
• M20: 20,839,283 km (0.069 R)
• M21: 21,993,281 km (0.118 R)
• M22: 31,786,107 km (0.096 R)
• M23: 32,543,371 km (0.09 R)
• M24: 34,621,435 km (0.106 R)
• M25: 37,480,999 km (0.088 R)
• M26: 44,600,062 km (0.106 R)
• M27: 46,349,459 km (0.073 R)
• M28: 47,486,254 km (0.06 R)
• M29: 52,569,290 km (0.069 R)
• M30: 55,786,692 km (0.069 R)
• M31: 58,754,713 km (0.087 R)
• M32: 63,203,156 km (0.099 R)
• M33: 63,999,016 km (0.093 R)
• M34: 68,496,078 km (0.11 R)
• M35: 69,969,916 km (0.106 R)
• M36: 71,250,025 km (0.028 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 15,491 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit