🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.6

Radius: 11.7

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.87 AU - 0.95 AU

Year: 561 Days

Day: 7.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 82,607,933 km

• M1: 147,354 km (0.077 R)
• M2: 753,973 km (0.047 R)
• M3: 1,118,543 km (0.04 R)
• M4: 2,128,778 km (0.11 R)
• M5: 2,625,891 km (0.09 R)
• M6: 3,767,772 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.4

Radius: 8.8

Gravity: 9.97 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.87 AU - 0.99 AU

Year: 579 Days

Day: 11 Hours

Environment

Temp: -165 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,607,933 km

• M1: 109,805 km (0.044 R)
• M2: 383,569 km (0.058 R)
• M3: 682,316 km (0.104 R)
• M4: 991,086 km (0.027 R)
• M5: 1,307,186 km (0.109 R)
• M6: 1,612,964 km (0.101 R)
• M7: 2,020,319 km (0.041 R)
• M8: 2,547,652 km (0.071 R)
• M9: 2,821,715 km (0.101 R)
• M10: 3,188,828 km (0.097 R)
• M11: 3,905,103 km (0.065 R)
• M12: 4,316,647 km (0.078 R)
• M13: 5,089,619 km (0.098 R)
• M14: 5,876,504 km (0.065 R)
• M15: 7,314,139 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.6

Radius: 12.6

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.96 AU - 1.24 AU

Year: 745 Days

Day: 14.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 82,607,933 km

• M1: 158,424 km (0.104 R)
• M2: 1,052,720 km (0.117 R)
• M3: 1,879,548 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.1

Radius: 10.9

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.87 AU - 3.49 AU

Year: 3661 Days

Day: 11.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,607,933 km

• M1: 138,378 km (0.109 R)
• M2: 492,027 km (0.067 R)
• M3: 1,117,047 km (0.108 R)
• M4: 1,945,670 km (0.09 R)
• M5: 2,737,043 km (0.084 R)
• M6: 3,419,508 km (0.117 R)
• M7: 3,935,022 km (0.118 R)
• M8: 4,321,882 km (0.1 R)
• M9: 5,072,864 km (0.097 R)
• M10: 6,446,771 km (0.076 R)
• M11: 6,894,667 km (0.118 R)
• M12: 8,789,025 km (0.07 R)
• M13: 10,675,902 km (0.103 R)
• M14: 13,052,564 km (0.077 R)
• M15: 13,432,542 km (0.027 R)
• M16: 16,411,634 km (0.105 R)
• M17: 17,476,472 km (0.111 R)
• M18: 19,311,888 km (0.111 R)
• M19: 20,689,984 km (0.096 R)
• M20: 21,076,994 km (0.099 R)
• M21: 22,741,868 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 265.8

Radius: 3.4

Gravity: 22.99 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 6.14 AU - 8.7 AU

Year: 13050 Days

Day: 15.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 82,607,933 km

• M1: 49,666 km (0.102 R)
• M2: 169,494 km (0.098 R)
• M3: 297,849 km (0.118 R)
• M4: 556,354 km (0.086 R)
• M5: 1,179,729 km (0.115 R)
• M6: 1,582,446 km (0.101 R)
• M7: 3,110,439 km (0.077 R)
• M8: 3,546,966 km (0.028 R)
• M9: 4,626,165 km (0.078 R)
• M10: 4,741,953 km (0.073 R)
• M11: 5,445,811 km (0.086 R)
• M12: 6,943,884 km (0.12 R)
• M13: 9,370,362 km (0.092 R)
• M14: 9,982,666 km (0.104 R)
• M15: 17,921,227 km (0.059 R)
• M16: 18,788,595 km (0.104 R)
• M17: 30,651,257 km (0.051 R)
• M18: 31,680,640 km (0.09 R)
• M19: 36,028,852 km (0.075 R)
• M20: 36,828,453 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 329.7

Radius: 5.3

Gravity: 11.74 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 7.97 AU - 8.27 AU

Year: 14940 Days

Day: 23.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,607,933 km

• M1: 69,563 km (0.088 R)
• M2: 366,365 km (0.108 R)
• M3: 1,177,036 km (0.055 R)
• M4: 1,859,950 km (0.076 R)
• M5: 3,064,512 km (0.025 R)
• M6: 4,129,200 km (0.079 R)
• M7: 4,357,038 km (0.057 R)
• M8: 4,900,377 km (0.07 R)
• M9: 5,221,115 km (0.083 R)
• M10: 6,530,994 km (0.058 R)
• M11: 8,768,230 km (0.098 R)
• M12: 9,981,918 km (0.062 R)
• M13: 12,500,697 km (0.06 R)
• M14: 13,405,764 km (0.098 R)
• M15: 14,032,879 km (0.105 R)
• M16: 15,413,368 km (0.07 R)
• M17: 17,538,854 km (0.043 R)
• M18: 20,831,503 km (0.09 R)
• M19: 25,450,637 km (0.069 R)
• M20: 30,600,992 km (0.118 R)
• M21: 31,140,442 km (0.03 R)
• M22: 34,163,815 km (0.116 R)
• M23: 36,525,367 km (0.104 R)
• M24: 38,366,468 km (0.093 R)
• M25: 40,526,662 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 722.4

Radius: 7

Gravity: 14.74 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 7.91 AU - 13.13 AU

Year: 22031 Days

Day: 23.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 82,607,933 km

• M1: 87,365 km (0.113 R)
• M2: 388,506 km (0.075 R)
• M3: 1,065,137 km (0.047 R)
• M4: 2,666,283 km (0.105 R)
• M5: 3,079,622 km (0.102 R)
• M6: 3,417,115 km (0.086 R)
• M7: 3,686,092 km (0.114 R)
• M8: 4,001,743 km (0.071 R)
• M9: 5,528,389 km (0.113 R)
• M10: 7,408,087 km (0.097 R)
• M11: 8,930,993 km (0.062 R)
• M12: 9,385,322 km (0.111 R)
• M13: 11,757,196 km (0.1 R)
• M14: 12,165,000 km (0.074 R)
• M15: 12,723,449 km (0.036 R)
• M16: 17,382,225 km (0.08 R)
• M17: 18,910,068 km (0.095 R)
• M18: 28,391,731 km (0.071 R)
• M19: 30,124,224 km (0.07 R)
• M20: 48,129,225 km (0.102 R)
• M21: 49,172,371 km (0.038 R)
• M22: 50,230,477 km (0.107 R)
• M23: 52,941,938 km (0.061 R)
• M24: 55,180,222 km (0.119 R)
• M25: 61,252,998 km (0.102 R)
• M26: 69,948,524 km (0.11 R)
• M27: 74,012,649 km (0.112 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 20,190 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit