🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.42 AU - 0.64 AU

Year: 135 Days

Day: 44.9 Hours

Environment

Temp: 283 °C

Axial Tilt: 9.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.64 AU - 0.86 AU

Year: 227 Days

Day: 37.9 Hours

Environment

Temp: 198 °C

Axial Tilt: 2.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.37 AU - 1.59 AU

Year: 630 Days

Day: 12.8 Hours

Environment

Temp: -6 °C

Axial Tilt: 34.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 69,230,637 km

• M1: 68,516 km (0.028 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.33 AU - 2.05 AU

Year: 769 Days

Day: 35.5 Hours

Environment

Temp: -30 °C

Axial Tilt: 11.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,230,637 km

• M1: 45,328 km (0.098 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.21 AU - 2.47 AU

Year: 1252 Days

Day: 39.8 Hours

Environment

Temp: -77 °C

Axial Tilt: 10.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.07 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.7

Radius: 9

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.93 AU - 9.67 AU

Year: 7621 Days

Day: 12.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,230,637 km

• M1: 115,639 km (0.118 R)
• M2: 401,221 km (0.098 R)
• M3: 710,440 km (0.1 R)
• M4: 1,239,418 km (0.031 R)
• M5: 2,339,711 km (0.073 R)
• M6: 2,915,962 km (0.103 R)
• M7: 4,193,677 km (0.054 R)
• M8: 4,758,110 km (0.112 R)
• M9: 6,137,851 km (0.054 R)
• M10: 6,829,891 km (0.063 R)
• M11: 8,205,294 km (0.058 R)
• M12: 11,494,801 km (0.076 R)
• M13: 12,927,051 km (0.07 R)
• M14: 13,317,053 km (0.066 R)
• M15: 14,714,147 km (0.082 R)
• M16: 16,464,592 km (0.077 R)
• M17: 18,630,320 km (0.086 R)
• M18: 22,224,708 km (0.075 R)
• M19: 22,865,586 km (0.112 R)
• M20: 29,295,153 km (0.078 R)
• M21: 31,346,289 km (0.063 R)
• M22: 32,356,075 km (0.038 R)
• M23: 32,972,119 km (0.084 R)
• M24: 37,958,365 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.2

Radius: 13.6

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 7.06 AU - 10.78 AU

Year: 9320 Days

Day: 7.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,230,637 km

• M1: 170,542 km (0.039 R)
• M2: 1,072,318 km (0.105 R)
• M3: 1,960,330 km (0.097 R)
• M4: 3,296,090 km (0.089 R)
• M5: 4,211,629 km (0.066 R)
• M6: 6,900,651 km (0.095 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.9

Radius: 13.2

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 8.41 AU - 12.77 AU

Year: 12056 Days

Day: 8.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,230,637 km

• M1: 164,109 km (0.113 R)
• M2: 603,627 km (0.057 R)
• M3: 1,445,265 km (0.096 R)
• M4: 2,471,506 km (0.12 R)
• M5: 3,292,948 km (0.103 R)
• M6: 3,780,937 km (0.092 R)
• M7: 4,206,094 km (0.108 R)
• M8: 4,692,885 km (0.115 R)
• M9: 5,780,761 km (0.039 R)
• M10: 6,683,135 km (0.116 R)
• M11: 7,430,077 km (0.054 R)
• M12: 9,663,723 km (0.052 R)
• M13: 11,309,449 km (0.116 R)
• M14: 11,916,218 km (0.056 R)
• M15: 13,437,030 km (0.087 R)
• M16: 20,829,409 km (0.076 R)
• M17: 21,742,255 km (0.088 R)
• M18: 24,005,671 km (0.107 R)
• M19: 26,614,658 km (0.104 R)
• M20: 28,388,290 km (0.112 R)
• M21: 31,194,896 km (0.082 R)
• M22: 34,067,773 km (0.091 R)
• M23: 37,233,264 km (0.086 R)
• M24: 38,949,601 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 299

Radius: 6.9

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 17.78 AU - 17.82 AU

Year: 26273 Days

Day: 22.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,230,637 km

• M1: 86,168 km (0.076 R)
• M2: 863,030 km (0.1 R)
• M3: 2,206,120 km (0.076 R)
• M4: 3,231,912 km (0.052 R)
• M5: 4,314,851 km (0.099 R)
• M6: 4,851,309 km (0.111 R)
• M7: 10,034,277 km (0.075 R)
• M8: 12,756,659 km (0.063 R)
• M9: 13,716,778 km (0.074 R)
• M10: 17,790,179 km (0.041 R)
• M11: 22,310,278 km (0.086 R)
• M12: 26,001,606 km (0.116 R)
• M13: 29,139,720 km (0.101 R)
• M14: 40,485,522 km (0.068 R)
• M15: 44,219,335 km (0.1 R)
• M16: 44,992,756 km (0.087 R)
• M17: 51,507,295 km (0.083 R)
• M18: 55,344,929 km (0.12 R)
• M19: 56,423,679 km (0.112 R)
• M20: 58,437,715 km (0.096 R)
• M21: 61,835,981 km (0.084 R)
• M22: 65,763,822 km (0.106 R)

Kuiper Belt

Range: 31.4 - 48.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 472 - 10,715 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit