🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.63 AU - 0.69 AU

Year: 203 Days

Day: 16.6 Hours

Environment

Temp: 118 °C

Axial Tilt: 2.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.87 AU - 1.09 AU

Year: 367 Days

Day: 12.9 Hours

Environment

Temp: 31 °C

Axial Tilt: 141.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2 AU - 2.76 AU

Year: 1391 Days

Day: 16.2 Hours

Environment

Temp: -94 °C

Axial Tilt: 6.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 67,572,751 km

• M1: 35,754 km (0.119 R)
• M2: 518,506 km (0.119 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 3.78 AU - 3.96 AU

Year: 2883 Days

Day: 18.2 Hours

Environment

Temp: -124 °C

Axial Tilt: 10.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.5

Radius: 14

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 5.19 AU - 6.07 AU

Year: 5060 Days

Day: 7 Hours

Environment

Temp: -148 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,572,751 km

• M1: 179,069 km (0.081 R)
• M2: 690,993 km (0.102 R)
• M3: 2,533,141 km (0.047 R)
• M4: 3,891,489 km (0.085 R)
• M5: 4,169,592 km (0.109 R)
• M6: 4,457,568 km (0.102 R)
• M7: 5,185,062 km (0.098 R)
• M8: 6,261,568 km (0.118 R)
• M9: 6,588,290 km (0.08 R)
• M10: 6,951,963 km (0.101 R)
• M11: 9,510,086 km (0.103 R)
• M12: 10,960,288 km (0.064 R)
• M13: 12,135,529 km (0.056 R)
• M14: 13,174,336 km (0.077 R)
• M15: 16,374,385 km (0.083 R)
• M16: 16,682,855 km (0.101 R)
• M17: 19,064,453 km (0.115 R)
• M18: 23,829,894 km (0.111 R)
• M19: 25,118,530 km (0.06 R)
• M20: 25,445,999 km (0.06 R)
• M21: 26,052,020 km (0.046 R)
• M22: 27,741,130 km (0.077 R)
• M23: 29,306,821 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 530.6

Radius: 4

Gravity: 33.16 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 12.59 AU - 16.65 AU

Year: 21172 Days

Day: 18.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,572,751 km

• M1: 133,591 km (0.081 R)
• M2: 253,419 km (0.104 R)
• M3: 732,282 km (0.112 R)
• M4: 864,676 km (0.095 R)
• M5: 1,411,157 km (0.067 R)
• M6: 3,340,520 km (0.089 R)
• M7: 4,089,557 km (0.104 R)
• M8: 4,619,433 km (0.101 R)
• M9: 5,143,474 km (0.106 R)
• M10: 7,805,718 km (0.055 R)
• M11: 9,554,816 km (0.114 R)
• M12: 10,195,544 km (0.071 R)
• M13: 11,082,210 km (0.091 R)
• M14: 11,829,900 km (0.108 R)
• M15: 13,151,149 km (0.103 R)
• M16: 15,733,358 km (0.08 R)
• M17: 18,474,589 km (0.063 R)
• M18: 18,768,100 km (0.079 R)
• M19: 35,896,607 km (0.081 R)
• M20: 40,741,335 km (0.058 R)
• M21: 51,963,419 km (0.091 R)
• M22: 67,735,223 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 418.6

Radius: 3.2

Gravity: 40.88 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 14.58 AU - 14.88 AU

Year: 21412 Days

Day: 22.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,572,751 km

• M1: 598,990 km (0.108 R)
• M2: 675,285 km (0.1 R)
• M3: 1,181,075 km (0.114 R)
• M4: 1,252,433 km (0.116 R)
• M5: 2,376,213 km (0.084 R)
• M6: 5,797,965 km (0.111 R)
• M7: 6,740,730 km (0.078 R)
• M8: 8,646,757 km (0.075 R)
• M9: 8,938,473 km (0.097 R)
• M10: 9,486,001 km (0.04 R)
• M11: 10,791,093 km (0.102 R)
• M12: 13,293,117 km (0.063 R)
• M13: 14,516,828 km (0.088 R)
• M14: 21,904,270 km (0.12 R)
• M15: 22,445,665 km (0.026 R)
• M16: 24,351,691 km (0.116 R)
• M17: 28,135,171 km (0.097 R)
• M18: 32,659,908 km (0.096 R)
• M19: 38,433,339 km (0.106 R)
• M20: 44,020,520 km (0.082 R)
• M21: 46,004,487 km (0.109 R)
• M22: 47,691,053 km (0.095 R)
• M23: 47,918,292 km (0.117 R)
• M24: 48,832,335 km (0.086 R)
• M25: 60,348,379 km (0.038 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 400 - 12,269 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit