🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.79 AU - 0.81 AU

Year: 271 Days

Day: 28.3 Hours

Environment

Temp: 127 °C

Axial Tilt: 6.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 63,175,191 km

• M1: 613,950 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.2 AU - 1.72 AU

Year: 668 Days

Day: 39.1 Hours

Environment

Temp: -39 °C

Axial Tilt: 42.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.51 AU - 3.19 AU

Year: 1822 Days

Day: 31.2 Hours

Environment

Temp: -107 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 63,175,191 km

• M1: 39,943 km (0.108 R)
• M2: 201,808 km (0.059 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.18 AU - 4.5 AU

Year: 2850 Days

Day: 18.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 63,175,191 km

• M1: 80,633 km (0.092 R)
• M2: 736,171 km (0.094 R)

Asteroid Belt

Center: 4.2 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.5

Radius: 11.5

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.1 AU - 5.02 AU

Year: 3688 Days

Day: 6.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,175,191 km

• M1: 143,016 km (0.091 R)
• M2: 578,046 km (0.052 R)
• M3: 949,647 km (0.11 R)
• M4: 1,562,550 km (0.12 R)
• M5: 2,655,213 km (0.047 R)
• M6: 4,649,203 km (0.059 R)
• M7: 5,434,143 km (0.074 R)
• M8: 6,537,128 km (0.09 R)
• M9: 7,079,719 km (0.109 R)
• M10: 7,684,992 km (0.105 R)
• M11: 8,393,637 km (0.075 R)
• M12: 8,962,408 km (0.053 R)
• M13: 9,863,736 km (0.117 R)
• M14: 10,990,507 km (0.093 R)
• M15: 12,517,303 km (0.078 R)
• M16: 15,456,452 km (0.096 R)
• M17: 21,723,107 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667.1

Radius: 5.7

Gravity: 20.53 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 11.62 AU - 11.96 AU

Year: 15333 Days

Day: 18.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 144.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,175,191 km

• M1: 76,295 km (0.086 R)
• M2: 1,218,774 km (0.115 R)
• M3: 1,441,375 km (0.116 R)
• M4: 1,625,979 km (0.067 R)
• M5: 2,100,205 km (0.078 R)
• M6: 3,479,198 km (0.093 R)
• M7: 6,213,248 km (0.117 R)
• M8: 8,690,290 km (0.101 R)
• M9: 9,897,545 km (0.096 R)
• M10: 10,684,878 km (0.049 R)
• M11: 12,704,450 km (0.08 R)
• M12: 16,690,934 km (0.102 R)
• M13: 17,803,942 km (0.111 R)
• M14: 25,435,528 km (0.115 R)
• M15: 30,713,490 km (0.113 R)
• M16: 38,280,300 km (0.086 R)
• M17: 39,374,459 km (0.112 R)
• M18: 41,768,773 km (0.117 R)
• M19: 42,056,599 km (0.079 R)
• M20: 47,938,638 km (0.089 R)
• M21: 51,652,405 km (0.107 R)
• M22: 59,828,527 km (0.085 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 403 - 19,145 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit