🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.09 AU - 1.43 AU

Year: 493 Days

Day: 47.7 Hours

Environment

Temp: 8 °C

Axial Tilt: 16.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.16 AU - 3.24 AU

Year: 1545 Days

Day: 42.4 Hours

Environment

Temp: -79 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.73 AU - 5.31 AU

Year: 3917 Days

Day: 22.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 34.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723

Radius: 13.7

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 5.12 AU - 6.7 AU

Year: 5004 Days

Day: 9.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 94,880,818 km

• M1: 170,542 km (0.119 R)
• M2: 1,585,588 km (0.096 R)
• M3: 2,636,513 km (0.11 R)
• M4: 3,574,342 km (0.104 R)
• M5: 4,040,040 km (0.085 R)
• M6: 4,986,845 km (0.104 R)
• M7: 5,894,904 km (0.044 R)
• M8: 7,425,141 km (0.08 R)
• M9: 11,682,696 km (0.115 R)
• M10: 15,597,822 km (0.085 R)
• M11: 19,021,668 km (0.101 R)
• M12: 22,469,151 km (0.051 R)
• M13: 27,743,524 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517

Radius: 10.4

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 10.75 AU - 11.17 AU

Year: 12636 Days

Day: 6.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 94,880,818 km

• M1: 134,638 km (0.115 R)
• M2: 561,291 km (0.058 R)
• M3: 1,033,871 km (0.091 R)
• M4: 1,475,783 km (0.034 R)
• M5: 3,765,827 km (0.119 R)
• M6: 4,522,792 km (0.087 R)
• M7: 7,242,183 km (0.072 R)
• M8: 10,315,372 km (0.104 R)
• M9: 13,095,349 km (0.116 R)
• M10: 17,806,186 km (0.052 R)
• M11: 24,274,050 km (0.067 R)
• M12: 25,024,582 km (0.112 R)
• M13: 25,597,542 km (0.113 R)
• M14: 26,375,152 km (0.117 R)
• M15: 39,619,051 km (0.098 R)
• M16: 41,851,351 km (0.104 R)
• M17: 48,604,947 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 917.3

Radius: 5.2

Gravity: 33.92 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 14.7 AU - 18.98 AU

Year: 24066 Days

Day: 19.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 94,880,818 km

• M1: 65,524 km (0.093 R)
• M2: 263,442 km (0.07 R)
• M3: 645,814 km (0.111 R)
• M4: 811,868 km (0.101 R)
• M5: 1,233,434 km (0.03 R)
• M6: 1,476,232 km (0.11 R)
• M7: 1,910,215 km (0.104 R)
• M8: 7,139,708 km (0.111 R)
• M9: 7,655,970 km (0.089 R)
• M10: 8,307,768 km (0.083 R)
• M11: 9,721,468 km (0.087 R)
• M12: 11,916,667 km (0.108 R)
• M13: 13,091,310 km (0.104 R)
• M14: 16,449,782 km (0.109 R)
• M15: 17,165,907 km (0.037 R)
• M16: 18,949,861 km (0.032 R)
• M17: 19,736,597 km (0.099 R)
• M18: 20,138,117 km (0.1 R)
• M19: 26,344,634 km (0.083 R)
• M20: 27,822,511 km (0.074 R)
• M21: 28,454,413 km (0.093 R)
• M22: 31,077,462 km (0.07 R)
• M23: 32,866,203 km (0.034 R)
• M24: 34,287,982 km (0.053 R)
• M25: 41,032,901 km (0.118 R)
• M26: 43,182,921 km (0.045 R)
• M27: 48,975,501 km (0.026 R)
• M28: 50,081,478 km (0.098 R)
• M29: 50,827,971 km (0.069 R)
• M30: 58,293,653 km (0.047 R)
• M31: 59,327,224 km (0.106 R)
• M32: 66,009,911 km (0.106 R)
• M33: 86,868,791 km (0.094 R)

Kuiper Belt

Range: 31.5 - 58.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 19,952 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit