🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.97 AU - 1.07 AU

Year: 367 Days

Day: 26.8 Hours

Environment

Temp: 71 °C

Axial Tilt: 38.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 72,966,851 km

• M1: 34,108 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.24 AU - 1.86 AU

Year: 688 Days

Day: 28.4 Hours

Environment

Temp: -25 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.13 AU - 4.01 AU

Year: 2404 Days

Day: 42 Hours

Environment

Temp: -115 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934

Radius: 12.9

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 5.72 AU - 7.3 AU

Year: 5921 Days

Day: 11.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,966,851 km

• M1: 160,519 km (0.058 R)
• M2: 591,211 km (0.086 R)
• M3: 1,137,991 km (0.083 R)
• M4: 1,930,710 km (0.114 R)
• M5: 2,925,087 km (0.11 R)
• M6: 3,583,617 km (0.09 R)
• M7: 4,261,595 km (0.106 R)
• M8: 5,347,077 km (0.088 R)
• M9: 5,779,115 km (0.11 R)
• M10: 6,301,511 km (0.076 R)
• M11: 7,217,648 km (0.113 R)
• M12: 7,669,584 km (0.079 R)
• M13: 10,314,175 km (0.077 R)
• M14: 12,850,607 km (0.051 R)
• M15: 15,038,027 km (0.111 R)
• M16: 19,052,336 km (0.104 R)
• M17: 19,918,508 km (0.097 R)
• M18: 21,190,538 km (0.094 R)
• M19: 22,120,439 km (0.047 R)
• M20: 23,239,580 km (0.032 R)
• M21: 24,988,529 km (0.088 R)
• M22: 28,003,824 km (0.102 R)
• M23: 28,934,921 km (0.098 R)
• M24: 36,478,394 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.1

Radius: 13.6

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.93 AU - 11.01 AU

Year: 10388 Days

Day: 13.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 72,966,851 km

• M1: 175,628 km (0.059 R)
• M2: 667,356 km (0.082 R)
• M3: 1,345,782 km (0.095 R)
• M4: 1,899,594 km (0.083 R)
• M5: 2,383,692 km (0.098 R)
• M6: 2,950,668 km (0.059 R)
• M7: 3,929,188 km (0.08 R)
• M8: 4,821,091 km (0.08 R)
• M9: 5,917,045 km (0.115 R)
• M10: 7,908,641 km (0.079 R)
• M11: 9,430,351 km (0.074 R)
• M12: 12,489,627 km (0.085 R)
• M13: 13,685,213 km (0.094 R)
• M14: 14,411,511 km (0.117 R)
• M15: 15,584,508 km (0.055 R)
• M16: 16,523,534 km (0.115 R)
• M17: 17,347,369 km (0.055 R)
• M18: 18,915,304 km (0.052 R)
• M19: 23,618,512 km (0.085 R)
• M20: 24,090,044 km (0.037 R)
• M21: 25,641,225 km (0.094 R)
• M22: 27,672,614 km (0.069 R)
• M23: 28,302,421 km (0.105 R)
• M24: 32,982,441 km (0.117 R)
• M25: 37,384,657 km (0.107 R)
• M26: 45,567,511 km (0.083 R)
• M27: 47,038,208 km (0.115 R)
• M28: 47,785,300 km (0.116 R)
• M29: 48,540,320 km (0.078 R)
• M30: 51,640,138 km (0.031 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 635.6

Radius: 7.5

Gravity: 11.3 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 13.92 AU - 14.9 AU

Year: 19498 Days

Day: 17.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,966,851 km

• M1: 93,648 km (0.083 R)
• M2: 334,351 km (0.076 R)
• M3: 650,452 km (0.049 R)
• M4: 956,978 km (0.093 R)
• M5: 1,527,693 km (0.119 R)
• M6: 1,780,215 km (0.098 R)
• M7: 2,222,426 km (0.051 R)
• M8: 3,607,852 km (0.069 R)
• M9: 4,482,850 km (0.098 R)
• M10: 4,827,523 km (0.114 R)
• M11: 5,687,412 km (0.029 R)
• M12: 8,772,120 km (0.066 R)
• M13: 9,478,521 km (0.096 R)
• M14: 10,759,228 km (0.081 R)
• M15: 12,551,261 km (0.029 R)
• M16: 13,447,353 km (0.061 R)
• M17: 16,715,617 km (0.101 R)
• M18: 17,970,145 km (0.096 R)
• M19: 20,477,854 km (0.109 R)
• M20: 21,523,842 km (0.068 R)
• M21: 23,108,233 km (0.083 R)
• M22: 27,293,234 km (0.104 R)
• M23: 28,209,970 km (0.113 R)
• M24: 28,793,252 km (0.087 R)
• M25: 33,492,270 km (0.081 R)
• M26: 34,146,312 km (0.11 R)
• M27: 44,217,839 km (0.07 R)
• M28: 44,688,923 km (0.094 R)
• M29: 45,961,552 km (0.091 R)
• M30: 49,248,367 km (0.063 R)
• M31: 53,218,096 km (0.113 R)
• M32: 58,898,926 km (0.109 R)
• M33: 63,964,609 km (0.084 R)
• M34: 66,192,420 km (0.078 R)
• M35: 68,681,280 km (0.1 R)

Kuiper Belt

Range: 30.8 - 58.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 15,552 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit