🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.39 AU - 0.65 AU

Year: 137 Days

Day: 18.9 Hours

Environment

Temp: 177 °C

Axial Tilt: 39.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.81 AU - 1.03 AU

Year: 322 Days

Day: 42.4 Hours

Environment

Temp: 99 °C

Axial Tilt: 6.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 89,467,280 km

• M1: 66,272 km (0.083 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.78 AU - 1.12 AU

Year: 338 Days

Day: 22.1 Hours

Environment

Temp: 36 °C

Axial Tilt: 33.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.23 AU - 1.25 AU

Year: 504 Days

Day: 46.5 Hours

Environment

Temp: 3 °C

Axial Tilt: 26.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.75 AU - 1.79 AU

Year: 860 Days

Day: 12.7 Hours

Environment

Temp: -50 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.41 AU - 2.49 AU

Year: 1401 Days

Day: 19.4 Hours

Environment

Temp: -76 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.52 AU - 2.62 AU

Year: 1505 Days

Day: 18.8 Hours

Environment

Temp: -95 °C

Axial Tilt: 37.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 89,467,280 km

• M1: 44,730 km (0.034 R)
• M2: 209,287 km (0.077 R)

Asteroid Belt

Center: 6.91 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 11.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.9

Radius: 10.8

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 11.18 AU - 11.32 AU

Year: 13782 Days

Day: 11.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 89,467,280 km

• M1: 134,339 km (0.076 R)
• M2: 523,742 km (0.104 R)
• M3: 940,522 km (0.106 R)
• M4: 1,372,860 km (0.115 R)
• M5: 1,797,867 km (0.075 R)
• M6: 2,457,893 km (0.1 R)
• M7: 2,834,580 km (0.064 R)
• M8: 3,227,125 km (0.032 R)
• M9: 3,680,706 km (0.113 R)
• M10: 4,259,051 km (0.111 R)
• M11: 4,776,510 km (0.116 R)
• M12: 9,224,504 km (0.07 R)
• M13: 11,769,612 km (0.079 R)
• M14: 13,143,819 km (0.105 R)
• M15: 16,483,741 km (0.054 R)
• M16: 18,275,025 km (0.112 R)
• M17: 20,113,284 km (0.111 R)
• M18: 29,619,032 km (0.069 R)
• M19: 30,551,176 km (0.074 R)
• M20: 34,931,851 km (0.074 R)
• M21: 35,972,304 km (0.068 R)
• M22: 37,872,646 km (0.118 R)
• M23: 38,236,318 km (0.103 R)
• M24: 42,261,548 km (0.102 R)
• M25: 43,708,010 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 601.1

Radius: 5.7

Gravity: 18.5 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 14.56 AU - 20.86 AU

Year: 27222 Days

Day: 20.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 89,467,280 km

• M1: 72,256 km (0.084 R)
• M2: 674,387 km (0.09 R)
• M3: 910,602 km (0.115 R)
• M4: 1,909,916 km (0.097 R)
• M5: 3,111,486 km (0.053 R)
• M6: 4,003,089 km (0.095 R)
• M7: 4,241,698 km (0.069 R)
• M8: 5,878,448 km (0.072 R)
• M9: 6,837,071 km (0.079 R)
• M10: 7,790,309 km (0.081 R)
• M11: 9,293,169 km (0.101 R)
• M12: 9,591,318 km (0.065 R)
• M13: 9,773,229 km (0.114 R)
• M14: 14,226,010 km (0.096 R)
• M15: 19,671,671 km (0.06 R)
• M16: 21,791,623 km (0.113 R)
• M17: 23,068,889 km (0.091 R)
• M18: 24,848,655 km (0.098 R)
• M19: 27,564,455 km (0.107 R)
• M20: 28,930,583 km (0.081 R)
• M21: 29,183,702 km (0.082 R)
• M22: 29,952,186 km (0.051 R)
• M23: 36,738,843 km (0.043 R)
• M24: 38,239,310 km (0.115 R)
• M25: 38,544,340 km (0.119 R)
• M26: 39,936,648 km (0.116 R)
• M27: 46,185,949 km (0.089 R)
• M28: 50,086,115 km (0.063 R)
• M29: 59,549,826 km (0.089 R)
• M30: 65,023,911 km (0.095 R)
• M31: 70,823,970 km (0.094 R)
• M32: 73,143,485 km (0.099 R)
• M33: 76,234,028 km (0.07 R)
• M34: 80,905,820 km (0.074 R)
• M35: 87,338,827 km (0.1 R)
• M36: 89,199,376 km (0.076 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 316 - 16,293 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit