🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.72 AU - 0.88 AU

Year: 265 Days

Day: 37.3 Hours

Environment

Temp: 176 °C

Axial Tilt: 36.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.11 AU - 1.21 AU

Year: 463 Days

Day: 12.7 Hours

Environment

Temp: -4 °C

Axial Tilt: 35.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.63 AU - 4.33 AU

Year: 2408 Days

Day: 35.6 Hours

Environment

Temp: -119 °C

Axial Tilt: 44 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.03 AU - 4.97 AU

Year: 2967 Days

Day: 24.8 Hours

Environment

Temp: -132 °C

Axial Tilt: 14.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 46,656,662 km

• M1: 163,959 km (0.07 R)
• M2: 2,650,725 km (0.115 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.37 AU - 5.15 AU

Year: 3261 Days

Day: 36.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 4.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.6

Radius: 11.1

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 7.19 AU - 10.75 AU

Year: 9963 Days

Day: 14.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,656,662 km

• M1: 138,528 km (0.119 R)
• M2: 552,315 km (0.074 R)
• M3: 1,049,279 km (0.09 R)
• M4: 1,475,185 km (0.089 R)
• M5: 2,050,538 km (0.073 R)
• M6: 2,586,098 km (0.066 R)
• M7: 3,355,480 km (0.052 R)
• M8: 7,345,704 km (0.103 R)
• M9: 10,155,302 km (0.109 R)
• M10: 10,729,010 km (0.088 R)
• M11: 11,434,962 km (0.084 R)
• M12: 15,710,619 km (0.117 R)
• M13: 19,167,975 km (0.119 R)
• M14: 20,370,443 km (0.034 R)
• M15: 23,281,019 km (0.067 R)
• M16: 25,686,104 km (0.04 R)
• M17: 33,430,636 km (0.06 R)
• M18: 43,274,475 km (0.028 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.1

Radius: 9.4

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 8.92 AU - 10.76 AU

Year: 11447 Days

Day: 7.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 46,656,662 km

• M1: 117,135 km (0.12 R)
• M2: 654,191 km (0.064 R)
• M3: 1,095,356 km (0.038 R)
• M4: 1,489,995 km (0.031 R)
• M5: 1,929,962 km (0.103 R)
• M6: 3,140,359 km (0.112 R)
• M7: 4,108,406 km (0.034 R)
• M8: 4,676,429 km (0.058 R)
• M9: 5,136,293 km (0.069 R)
• M10: 5,459,275 km (0.113 R)
• M11: 8,073,049 km (0.103 R)
• M12: 9,010,729 km (0.065 R)
• M13: 10,019,467 km (0.082 R)
• M14: 11,588,599 km (0.112 R)
• M15: 13,075,602 km (0.055 R)
• M16: 15,875,625 km (0.076 R)
• M17: 16,286,122 km (0.086 R)
• M18: 16,633,638 km (0.05 R)
• M19: 18,221,619 km (0.111 R)
• M20: 20,225,931 km (0.063 R)
• M21: 20,789,616 km (0.09 R)
• M22: 21,613,152 km (0.097 R)
• M23: 26,154,794 km (0.061 R)
• M24: 27,017,375 km (0.103 R)
• M25: 27,504,616 km (0.03 R)
• M26: 27,799,772 km (0.093 R)
• M27: 28,597,428 km (0.094 R)
• M28: 30,238,068 km (0.116 R)
• M29: 34,957,133 km (0.074 R)
• M30: 35,535,927 km (0.096 R)
• M31: 39,642,089 km (0.114 R)
• M32: 42,461,261 km (0.062 R)
• M33: 43,919,691 km (0.051 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 284 - 17,810 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit