🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.46 AU - 0.68 AU

Year: 166 Days

Day: 31.5 Hours

Environment

Temp: 178 °C

Axial Tilt: 25.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 39,685,197 km

• M1: 18,849 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.8 AU - 1.06 AU

Year: 345 Days

Day: 22 Hours

Environment

Temp: 9 °C

Axial Tilt: 15.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.91 AU - 1.09 AU

Year: 385 Days

Day: 23 Hours

Environment

Temp: 0 °C

Axial Tilt: 47.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 39,685,197 km

• M1: 588,069 km (0.07 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.47 AU - 4.49 AU

Year: 3057 Days

Day: 45 Hours

Environment

Temp: -134 °C

Axial Tilt: 46 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62

Radius: 10.2

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.67 AU - 5.99 AU

Year: 5420 Days

Day: 6.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,685,197 km

• M1: 132,394 km (0.11 R)
• M2: 469,139 km (0.074 R)
• M3: 1,393,205 km (0.113 R)
• M4: 3,441,200 km (0.1 R)
• M5: 5,137,640 km (0.041 R)
• M6: 5,530,184 km (0.09 R)
• M7: 7,746,178 km (0.098 R)
• M8: 8,117,629 km (0.113 R)
• M9: 9,145,516 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.8

Radius: 8.6

Gravity: 12 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 6.39 AU - 6.93 AU

Year: 6617 Days

Day: 9.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,685,197 km

• M1: 106,962 km (0.112 R)
• M2: 835,205 km (0.079 R)
• M3: 1,938,190 km (0.092 R)
• M4: 2,227,662 km (0.114 R)
• M5: 2,976,848 km (0.068 R)
• M6: 3,364,755 km (0.082 R)
• M7: 3,689,532 km (0.071 R)
• M8: 5,704,167 km (0.06 R)
• M9: 6,201,580 km (0.106 R)
• M10: 7,057,579 km (0.114 R)
• M11: 8,958,519 km (0.101 R)
• M12: 12,772,517 km (0.054 R)
• M13: 16,340,875 km (0.083 R)
• M14: 16,804,030 km (0.1 R)
• M15: 17,207,944 km (0.112 R)
• M16: 19,033,786 km (0.098 R)
• M17: 27,355,167 km (0.083 R)
• M18: 30,525,745 km (0.097 R)
• M19: 31,026,598 km (0.083 R)
• M20: 32,875,179 km (0.109 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 329 - 14,618 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit