🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.73 AU - 1.07 AU

Year: 310 Days

Day: 12.5 Hours

Environment

Temp: 152 °C

Axial Tilt: 34.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.43 AU - 1.63 AU

Year: 688 Days

Day: 19.4 Hours

Environment

Temp: -40 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.7

Radius: 9.1

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 9.32 AU - 10.1 AU

Year: 10997 Days

Day: 6.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,539,469 km

• M1: 113,395 km (0.094 R)
• M2: 565,630 km (0.117 R)
• M3: 1,381,237 km (0.096 R)
• M4: 2,259,077 km (0.066 R)
• M5: 2,739,885 km (0.033 R)
• M6: 3,068,701 km (0.108 R)
• M7: 3,516,896 km (0.078 R)
• M8: 3,806,518 km (0.111 R)
• M9: 4,918,778 km (0.117 R)
• M10: 5,794,374 km (0.097 R)
• M11: 7,106,198 km (0.097 R)
• M12: 9,499,166 km (0.075 R)
• M13: 11,417,010 km (0.087 R)
• M14: 12,550,214 km (0.084 R)
• M15: 16,002,185 km (0.049 R)
• M16: 16,937,920 km (0.113 R)
• M17: 17,280,798 km (0.047 R)
• M18: 18,481,321 km (0.107 R)
• M19: 20,656,324 km (0.09 R)
• M20: 23,332,780 km (0.032 R)
• M21: 24,797,941 km (0.075 R)
• M22: 26,140,732 km (0.114 R)
• M23: 26,599,100 km (0.072 R)
• M24: 28,005,918 km (0.1 R)
• M25: 29,166,648 km (0.111 R)
• M26: 32,208,272 km (0.072 R)
• M27: 33,267,425 km (0.089 R)
• M28: 35,232,243 km (0.115 R)
• M29: 37,273,057 km (0.102 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 343.8

Radius: 6.2

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 11.04 AU - 14.58 AU

Year: 16663 Days

Day: 19.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 53,539,469 km

• M1: 109,954 km (0.067 R)
• M2: 304,432 km (0.109 R)
• M3: 524,341 km (0.117 R)
• M4: 1,152,951 km (0.087 R)
• M5: 1,435,691 km (0.038 R)
• M6: 1,895,405 km (0.04 R)
• M7: 2,592,232 km (0.115 R)
• M8: 3,033,845 km (0.118 R)
• M9: 3,734,860 km (0.104 R)
• M10: 6,962,435 km (0.107 R)
• M11: 7,294,841 km (0.114 R)
• M12: 9,566,933 km (0.081 R)
• M13: 11,624,951 km (0.096 R)
• M14: 13,960,922 km (0.092 R)
• M15: 14,223,766 km (0.088 R)
• M16: 15,799,330 km (0.098 R)
• M17: 17,563,688 km (0.059 R)
• M18: 18,024,599 km (0.095 R)
• M19: 18,336,211 km (0.103 R)
• M20: 18,572,276 km (0.092 R)
• M21: 19,292,889 km (0.119 R)
• M22: 21,741,358 km (0.082 R)
• M23: 26,536,418 km (0.078 R)
• M24: 27,966,275 km (0.03 R)
• M25: 28,806,117 km (0.101 R)
• M26: 31,651,469 km (0.092 R)
• M27: 32,563,268 km (0.115 R)
• M28: 34,319,996 km (0.107 R)
• M29: 38,148,803 km (0.074 R)
• M30: 40,631,081 km (0.038 R)
• M31: 42,527,383 km (0.047 R)
• M32: 45,625,555 km (0.11 R)
• M33: 48,419,445 km (0.1 R)
• M34: 48,870,782 km (0.091 R)
• M35: 49,173,269 km (0.111 R)
• M36: 51,637,894 km (0.076 R)

Kuiper Belt

Range: 30.2 - 57.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 201 - 17,619 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit