🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.59 AU - 0.71 AU

Year: 187 Days

Day: 33.9 Hours

Environment

Temp: 158 °C

Axial Tilt: 19 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 66,510,119 km

• M1: 165,754 km (0.03 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.55 AU - 0.81 AU

Year: 200 Days

Day: 25.5 Hours

Environment

Temp: 129 °C

Axial Tilt: 16.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.55 AU - 0.81 AU

Year: 200 Days

Day: 35.4 Hours

Environment

Temp: 182 °C

Axial Tilt: 86.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 66,510,119 km

• M1: 44,730 km (0.104 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.65 AU - 2.73 AU

Year: 1573 Days

Day: 43.8 Hours

Environment

Temp: -84 °C

Axial Tilt: 13.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 66,510,119 km

• M1: 76,295 km (0.097 R)
• M2: 707,299 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.5

Radius: 13.1

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 4.33 AU - 6.65 AU

Year: 4585 Days

Day: 9 Hours

Environment

Temp: -138 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,510,119 km

• M1: 162,912 km (0.104 R)
• M2: 655,239 km (0.102 R)
• M3: 1,173,147 km (0.114 R)
• M4: 1,656,497 km (0.107 R)
• M5: 2,217,938 km (0.059 R)
• M6: 2,838,320 km (0.076 R)
• M7: 3,253,604 km (0.104 R)
• M8: 4,407,602 km (0.085 R)
• M9: 6,206,666 km (0.101 R)
• M10: 7,772,208 km (0.071 R)
• M11: 8,844,675 km (0.119 R)
• M12: 9,779,362 km (0.104 R)
• M13: 10,411,563 km (0.087 R)
• M14: 10,903,291 km (0.117 R)
• M15: 12,156,473 km (0.079 R)
• M16: 12,887,707 km (0.076 R)
• M17: 14,539,118 km (0.086 R)
• M18: 15,154,414 km (0.079 R)
• M19: 15,627,293 km (0.101 R)
• M20: 17,560,546 km (0.11 R)
• M21: 21,830,668 km (0.059 R)
• M22: 23,256,635 km (0.038 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.2

Radius: 9.7

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 9.05 AU - 10.97 AU

Year: 11289 Days

Day: 5 Hours

Environment

Temp: -162 °C

Axial Tilt: 122.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,510,119 km

• M1: 120,725 km (0.114 R)
• M2: 530,773 km (0.104 R)
• M3: 1,072,318 km (0.069 R)
• M4: 2,035,279 km (0.075 R)
• M5: 2,523,566 km (0.077 R)
• M6: 3,024,121 km (0.098 R)
• M7: 4,305,427 km (0.113 R)
• M8: 5,393,452 km (0.086 R)
• M9: 6,018,921 km (0.118 R)
• M10: 7,297,235 km (0.09 R)
• M11: 8,357,734 km (0.047 R)
• M12: 14,490,050 km (0.051 R)
• M13: 15,894,175 km (0.06 R)
• M14: 16,561,531 km (0.042 R)
• M15: 17,809,627 km (0.098 R)
• M16: 21,848,171 km (0.054 R)
• M17: 23,178,096 km (0.066 R)
• M18: 23,862,955 km (0.032 R)
• M19: 25,273,064 km (0.118 R)
• M20: 26,274,173 km (0.119 R)
• M21: 27,301,462 km (0.09 R)
• M22: 29,735,718 km (0.103 R)
• M23: 30,748,646 km (0.072 R)
• M24: 32,523,175 km (0.096 R)
• M25: 34,254,920 km (0.059 R)
• M26: 38,255,616 km (0.069 R)
• M27: 39,332,571 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.3

Radius: 14.3

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 10.82 AU - 12.58 AU

Year: 14265 Days

Day: 9.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,510,119 km

• M1: 177,872 km (0.081 R)
• M2: 700,567 km (0.086 R)
• M3: 1,264,850 km (0.04 R)
• M4: 2,115,912 km (0.073 R)
• M5: 2,671,668 km (0.048 R)
• M6: 3,510,613 km (0.096 R)
• M7: 4,391,296 km (0.107 R)
• M8: 4,918,778 km (0.112 R)
• M9: 5,751,589 km (0.064 R)
• M10: 6,718,889 km (0.112 R)
• M11: 7,422,298 km (0.096 R)
• M12: 8,321,082 km (0.052 R)
• M13: 9,450,995 km (0.117 R)
• M14: 10,053,127 km (0.106 R)
• M15: 11,579,025 km (0.104 R)
• M16: 15,457,200 km (0.061 R)
• M17: 16,372,290 km (0.086 R)
• M18: 18,563,001 km (0.083 R)
• M19: 21,034,807 km (0.103 R)
• M20: 21,685,558 km (0.108 R)
• M21: 29,991,232 km (0.103 R)
• M22: 33,633,042 km (0.078 R)
• M23: 37,832,254 km (0.103 R)
• M24: 39,353,066 km (0.055 R)
• M25: 40,770,506 km (0.11 R)
• M26: 42,960,320 km (0.054 R)
• M27: 43,557,365 km (0.1 R)
• M28: 52,506,609 km (0.037 R)
• M29: 54,397,825 km (0.11 R)
• M30: 60,717,587 km (0.106 R)
• M31: 61,658,558 km (0.084 R)
• M32: 65,126,835 km (0.08 R)

Kuiper Belt

Range: 30.8 - 59.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 366 - 18,498 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit