🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.95 AU - 1.11 AU

Year: 367 Days

Day: 16.6 Hours

Environment

Temp: 135 °C

Axial Tilt: 6.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.08 AU - 1.62 AU

Year: 551 Days

Day: 36.8 Hours

Environment

Temp: 7 °C

Axial Tilt: 4.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.27 AU - 1.53 AU

Year: 582 Days

Day: 36.7 Hours

Environment

Temp: 15 °C

Axial Tilt: 9.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.35 AU - 2.13 AU

Year: 807 Days

Day: 13.9 Hours

Environment

Temp: -46 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.2 AU - 4.96 AU

Year: 2896 Days

Day: 46.7 Hours

Environment

Temp: -109 °C

Axial Tilt: 9.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,539,235 km

• M1: 3,771,512 km (0.087 R)

Asteroid Belt

Center: 4.55 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 4.58 AU - 5.44 AU

Year: 3941 Days

Day: 12.2 Hours

Environment

Temp: -137 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.02 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.1

Radius: 14.5

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 8.18 AU - 9.86 AU

Year: 9521 Days

Day: 5.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 76,539,235 km

• M1: 180,265 km (0.064 R)
• M2: 634,145 km (0.104 R)
• M3: 1,407,566 km (0.09 R)
• M4: 2,387,133 km (0.116 R)
• M5: 4,081,778 km (0.086 R)
• M6: 5,266,593 km (0.089 R)
• M7: 5,921,682 km (0.059 R)
• M8: 7,148,235 km (0.095 R)
• M9: 9,297,508 km (0.111 R)
• M10: 11,676,712 km (0.115 R)
• M11: 15,724,681 km (0.113 R)
• M12: 17,608,417 km (0.107 R)
• M13: 19,396,561 km (0.091 R)
• M14: 20,459,304 km (0.088 R)
• M15: 21,646,961 km (0.084 R)
• M16: 22,523,007 km (0.105 R)
• M17: 28,700,202 km (0.079 R)
• M18: 29,544,083 km (0.071 R)
• M19: 34,131,502 km (0.043 R)
• M20: 36,043,812 km (0.102 R)
• M21: 41,002,832 km (0.088 R)
• M22: 41,938,716 km (0.11 R)
• M23: 47,269,486 km (0.097 R)
• M24: 48,150,618 km (0.075 R)
• M25: 49,945,493 km (0.119 R)
• M26: 51,013,024 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 602.4

Radius: 3.4

Gravity: 52.11 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 14.25 AU - 16.17 AU

Year: 20848 Days

Day: 20.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 76,539,235 km

• M1: 42,486 km (0.082 R)
• M2: 175,030 km (0.081 R)
• M3: 471,832 km (0.07 R)
• M4: 678,127 km (0.119 R)
• M5: 807,679 km (0.041 R)
• M6: 1,039,406 km (0.113 R)
• M7: 1,171,052 km (0.067 R)
• M8: 1,739,973 km (0.093 R)
• M9: 2,783,268 km (0.089 R)
• M10: 4,316,796 km (0.097 R)
• M11: 5,591,669 km (0.08 R)
• M12: 6,081,153 km (0.091 R)
• M13: 7,428,581 km (0.058 R)
• M14: 7,720,148 km (0.104 R)
• M15: 7,868,698 km (0.111 R)
• M16: 8,429,990 km (0.087 R)
• M17: 9,127,116 km (0.078 R)
• M18: 9,804,046 km (0.031 R)
• M19: 11,448,127 km (0.108 R)
• M20: 12,640,721 km (0.051 R)
• M21: 13,126,166 km (0.119 R)
• M22: 13,768,390 km (0.079 R)
• M23: 14,282,109 km (0.119 R)
• M24: 15,820,274 km (0.056 R)
• M25: 17,127,610 km (0.118 R)
• M26: 17,980,318 km (0.095 R)
• M27: 18,241,665 km (0.086 R)
• M28: 21,576,650 km (0.12 R)
• M29: 23,594,277 km (0.12 R)
• M30: 24,329,102 km (0.082 R)
• M31: 26,400,434 km (0.088 R)
• M32: 26,737,927 km (0.099 R)
• M33: 29,061,331 km (0.038 R)
• M34: 38,249,184 km (0.072 R)
• M35: 38,681,222 km (0.113 R)
• M36: 42,408,304 km (0.087 R)
• M37: 58,559,039 km (0.073 R)
• M38: 63,857,796 km (0.053 R)
• M39: 73,827,746 km (0.05 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 439.1

Radius: 7.8

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 16.19 AU - 18.33 AU

Year: 25202 Days

Day: 24 Hours

Environment

Temp: -201 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,539,235 km

• M1: 198,816 km (0.084 R)
• M2: 557,850 km (0.052 R)
• M3: 1,027,139 km (0.117 R)
• M4: 1,409,810 km (0.109 R)
• M5: 2,625,443 km (0.108 R)
• M6: 3,459,451 km (0.116 R)
• M7: 3,937,715 km (0.106 R)
• M8: 4,808,076 km (0.102 R)
• M9: 5,137,490 km (0.109 R)
• M10: 6,564,355 km (0.092 R)
• M11: 8,550,865 km (0.079 R)
• M12: 8,817,897 km (0.095 R)
• M13: 10,721,829 km (0.114 R)
• M14: 12,268,073 km (0.114 R)
• M15: 14,253,536 km (0.036 R)
• M16: 19,302,314 km (0.069 R)
• M17: 25,427,898 km (0.086 R)
• M18: 26,768,744 km (0.045 R)
• M19: 32,995,306 km (0.083 R)
• M20: 36,372,777 km (0.048 R)
• M21: 49,915,574 km (0.118 R)

Kuiper Belt

Range: 31.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 363 - 18,709 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit