🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.95 AU - 1.29 AU

Year: 420 Days

Day: 36.5 Hours

Environment

Temp: 16 °C

Axial Tilt: 5.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 70,275,983 km

• M1: 140,921 km (0.062 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.96 AU - 1.6 AU

Year: 514 Days

Day: 14.8 Hours

Environment

Temp: 7 °C

Axial Tilt: 14.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 70,275,983 km

• M1: 81,232 km (0.112 R)
• M2: 740,809 km (0.116 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.78 AU - 2.68 AU

Year: 1181 Days

Day: 27.6 Hours

Environment

Temp: -66 °C

Axial Tilt: 35.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.2

Radius: 8

Gravity: 13.96 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 4.99 AU - 5.73 AU

Year: 4402 Days

Day: 6.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 70,275,983 km

• M1: 122,221 km (0.112 R)
• M2: 371,302 km (0.113 R)
• M3: 828,623 km (0.115 R)
• M4: 1,194,838 km (0.119 R)
• M5: 1,473,838 km (0.054 R)
• M6: 2,061,758 km (0.062 R)
• M7: 2,585,799 km (0.1 R)
• M8: 3,920,661 km (0.11 R)
• M9: 4,249,328 km (0.053 R)
• M10: 4,802,989 km (0.104 R)
• M11: 5,263,152 km (0.062 R)
• M12: 6,240,176 km (0.073 R)
• M13: 6,722,180 km (0.107 R)
• M14: 7,509,215 km (0.085 R)
• M15: 7,797,041 km (0.077 R)
• M16: 8,092,048 km (0.113 R)
• M17: 9,143,422 km (0.101 R)
• M18: 9,893,356 km (0.081 R)
• M19: 10,548,894 km (0.085 R)
• M20: 11,140,254 km (0.076 R)
• M21: 12,289,764 km (0.067 R)
• M22: 13,306,581 km (0.114 R)
• M23: 14,433,352 km (0.045 R)
• M24: 17,938,281 km (0.086 R)
• M25: 19,581,015 km (0.094 R)
• M26: 21,178,571 km (0.095 R)
• M27: 21,826,778 km (0.073 R)
• M28: 22,861,247 km (0.087 R)
• M29: 23,928,030 km (0.042 R)
• M30: 24,238,745 km (0.096 R)
• M31: 25,428,347 km (0.117 R)
• M32: 26,242,758 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494

Radius: 10.8

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 6.76 AU - 8.12 AU

Year: 7199 Days

Day: 6.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,275,983 km

• M1: 150,645 km (0.112 R)
• M2: 646,263 km (0.039 R)
• M3: 1,381,536 km (0.1 R)
• M4: 1,739,075 km (0.095 R)
• M5: 2,945,881 km (0.112 R)
• M6: 4,009,821 km (0.031 R)
• M7: 5,026,488 km (0.073 R)
• M8: 5,520,161 km (0.108 R)
• M9: 5,856,607 km (0.092 R)
• M10: 6,707,071 km (0.07 R)
• M11: 8,212,923 km (0.072 R)
• M12: 10,203,323 km (0.056 R)
• M13: 10,712,105 km (0.09 R)
• M14: 11,092,682 km (0.079 R)
• M15: 12,032,905 km (0.102 R)
• M16: 12,918,375 km (0.06 R)
• M17: 14,298,864 km (0.051 R)
• M18: 18,277,718 km (0.078 R)
• M19: 20,229,970 km (0.099 R)
• M20: 25,291,315 km (0.094 R)
• M21: 27,004,061 km (0.117 R)
• M22: 27,888,783 km (0.111 R)
• M23: 28,975,911 km (0.102 R)
• M24: 31,524,909 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.5

Radius: 8.4

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 9.79 AU - 12.11 AU

Year: 12855 Days

Day: 14.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,275,983 km

• M1: 114,592 km (0.036 R)
• M2: 376,239 km (0.105 R)
• M3: 658,231 km (0.064 R)
• M4: 1,036,713 km (0.095 R)
• M5: 2,088,237 km (0.089 R)
• M6: 2,424,084 km (0.038 R)
• M7: 3,413,225 km (0.1 R)
• M8: 3,855,885 km (0.08 R)
• M9: 5,100,839 km (0.08 R)
• M10: 7,562,621 km (0.086 R)
• M11: 11,034,339 km (0.105 R)
• M12: 16,176,766 km (0.096 R)
• M13: 17,782,848 km (0.119 R)
• M14: 20,269,016 km (0.081 R)
• M15: 20,585,415 km (0.111 R)
• M16: 21,146,856 km (0.106 R)
• M17: 22,133,005 km (0.031 R)
• M18: 23,063,653 km (0.099 R)
• M19: 25,826,726 km (0.038 R)
• M20: 26,763,059 km (0.101 R)
• M21: 27,625,042 km (0.042 R)
• M22: 28,111,833 km (0.068 R)
• M23: 30,840,050 km (0.059 R)
• M24: 31,469,408 km (0.07 R)
• M25: 32,645,397 km (0.082 R)
• M26: 33,518,899 km (0.066 R)
• M27: 39,580,754 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.9

Radius: 8.5

Gravity: 13.53 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 10.28 AU - 13.84 AU

Year: 14858 Days

Day: 6.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,275,983 km

• M1: 105,766 km (0.102 R)
• M2: 783,743 km (0.109 R)
• M3: 1,255,575 km (0.098 R)
• M4: 1,907,074 km (0.089 R)
• M5: 3,037,585 km (0.107 R)
• M6: 4,141,318 km (0.095 R)
• M7: 7,721,344 km (0.076 R)
• M8: 8,411,888 km (0.065 R)
• M9: 9,142,823 km (0.097 R)
• M10: 12,101,570 km (0.098 R)
• M11: 13,938,931 km (0.108 R)
• M12: 14,664,331 km (0.038 R)
• M13: 18,934,902 km (0.086 R)
• M14: 22,364,732 km (0.073 R)
• M15: 24,693,522 km (0.06 R)
• M16: 43,351,369 km (0.041 R)
• M17: 43,963,972 km (0.102 R)
• M18: 45,678,663 km (0.104 R)
• M19: 58,388,049 km (0.07 R)
• M20: 63,359,186 km (0.11 R)

Kuiper Belt

Range: 30.9 - 50.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 15,402 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit