🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.1

Radius: 13.8

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.51 AU - 0.57 AU

Year: 269 Days

Day: 8.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 21,923,638 km

• M1: 171,589 km (0.088 R)
• M2: 613,351 km (0.041 R)
• M3: 1,070,223 km (0.114 R)
• M4: 1,644,529 km (0.059 R)
• M5: 2,079,261 km (0.085 R)
• M6: 2,667,480 km (0.09 R)
• M7: 3,325,860 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.6

Radius: 10.1

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.54 AU - 0.62 AU

Year: 300 Days

Day: 12.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,923,638 km

• M1: 125,662 km (0.067 R)
• M2: 450,290 km (0.114 R)
• M3: 828,623 km (0.112 R)
• M4: 1,181,075 km (0.11 R)
• M5: 1,505,104 km (0.065 R)
• M6: 1,934,300 km (0.045 R)
• M7: 2,313,381 km (0.117 R)
• M8: 3,376,873 km (0.059 R)
• M9: 4,275,657 km (0.102 R)
• M10: 4,682,713 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.6

Radius: 9.7

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.01 AU - 1.31 AU

Year: 847 Days

Day: 12.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,923,638 km

• M1: 120,576 km (0.05 R)
• M2: 560,394 km (0.065 R)
• M3: 959,670 km (0.111 R)
• M4: 1,269,338 km (0.116 R)
• M5: 1,655,151 km (0.099 R)
• M6: 2,017,626 km (0.104 R)
• M7: 2,634,718 km (0.101 R)
• M8: 3,071,992 km (0.11 R)
• M9: 3,818,785 km (0.105 R)
• M10: 4,122,768 km (0.081 R)
• M11: 4,442,907 km (0.1 R)
• M12: 4,895,890 km (0.081 R)
• M13: 7,023,470 km (0.106 R)
• M14: 7,437,557 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.7

Radius: 12.5

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.95 AU - 2.63 AU

Year: 2350 Days

Day: 10.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,923,638 km

• M1: 156,180 km (0.045 R)
• M2: 780,153 km (0.114 R)
• M3: 1,441,675 km (0.075 R)
• M4: 1,962,874 km (0.075 R)
• M5: 2,481,529 km (0.11 R)
• M6: 3,120,163 km (0.109 R)
• M7: 3,832,099 km (0.115 R)
• M8: 4,346,566 km (0.097 R)
• M9: 5,236,225 km (0.097 R)
• M10: 5,894,306 km (0.069 R)
• M11: 7,618,571 km (0.099 R)
• M12: 9,093,606 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765

Radius: 14.2

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.06 AU - 3.3 AU

Year: 2976 Days

Day: 14.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 21,923,638 km

• M1: 176,525 km (0.114 R)
• M2: 741,108 km (0.105 R)
• M3: 1,272,479 km (0.116 R)
• M4: 2,101,252 km (0.118 R)
• M5: 3,487,575 km (0.049 R)
• M6: 4,692,736 km (0.1 R)
• M7: 6,049,738 km (0.036 R)
• M8: 6,701,685 km (0.117 R)
• M9: 7,337,626 km (0.103 R)
• M10: 8,384,063 km (0.07 R)
• M11: 10,571,633 km (0.11 R)
• M12: 11,267,113 km (0.069 R)
• M13: 12,300,835 km (0.065 R)
• M14: 12,840,883 km (0.096 R)
• M15: 14,309,934 km (0.065 R)
• M16: 17,021,695 km (0.081 R)
• M17: 17,749,937 km (0.091 R)
• M18: 18,851,725 km (0.058 R)
• M19: 20,060,027 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.4

Radius: 13.1

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.35 AU - 4.99 AU

Year: 5776 Days

Day: 11.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 21,923,638 km

• M1: 162,912 km (0.079 R)
• M2: 625,319 km (0.06 R)
• M3: 1,066,034 km (0.077 R)
• M4: 1,602,792 km (0.093 R)
• M5: 2,708,918 km (0.085 R)
• M6: 3,124,501 km (0.114 R)
• M7: 3,995,610 km (0.062 R)
• M8: 5,374,154 km (0.059 R)
• M9: 5,977,033 km (0.113 R)
• M10: 6,403,836 km (0.088 R)
• M11: 7,421,999 km (0.12 R)
• M12: 8,134,235 km (0.088 R)
• M13: 12,158,118 km (0.109 R)
• M14: 12,597,487 km (0.084 R)
• M15: 14,139,392 km (0.054 R)
• M16: 14,625,735 km (0.118 R)
• M17: 15,919,308 km (0.104 R)
• M18: 17,595,402 km (0.05 R)
• M19: 18,032,228 km (0.073 R)
• M20: 19,452,510 km (0.026 R)
• M21: 21,296,154 km (0.116 R)
• M22: 22,808,439 km (0.104 R)
• M23: 25,725,448 km (0.084 R)
• M24: 26,942,577 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 128.3

Radius: 8

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.94 AU - 7.1 AU

Year: 10018 Days

Day: 16.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 21,923,638 km

• M1: 106,364 km (0.077 R)
• M2: 371,452 km (0.113 R)
• M3: 680,970 km (0.079 R)
• M4: 3,836,437 km (0.068 R)
• M5: 4,383,517 km (0.069 R)
• M6: 5,862,441 km (0.097 R)
• M7: 6,778,878 km (0.115 R)
• M8: 8,291,163 km (0.106 R)
• M9: 9,087,023 km (0.113 R)
• M10: 9,686,013 km (0.03 R)
• M11: 11,275,940 km (0.063 R)
• M12: 11,967,530 km (0.074 R)
• M13: 13,333,808 km (0.084 R)
• M14: 18,427,615 km (0.086 R)
• M15: 20,311,053 km (0.108 R)
• M16: 21,057,845 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 48.1

Radius: 5

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 5.16 AU - 7.18 AU

Year: 10395 Days

Day: 15.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,923,638 km

• M1: 65,673 km (0.054 R)
• M2: 318,045 km (0.029 R)
• M3: 929,601 km (0.12 R)
• M4: 1,356,853 km (0.075 R)
• M5: 1,797,269 km (0.113 R)
• M6: 6,395,159 km (0.111 R)
• M7: 10,150,515 km (0.093 R)
• M8: 10,419,940 km (0.116 R)
• M9: 12,095,586 km (0.116 R)
• M10: 14,614,216 km (0.058 R)
• M11: 16,281,933 km (0.098 R)
• M12: 18,128,868 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 31.7

Radius: 7.9

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 7.03 AU - 8.29 AU

Year: 14379 Days

Day: 16.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 140.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,923,638 km

• M1: 98,286 km (0.071 R)
• M2: 592,856 km (0.114 R)
• M3: 1,025,942 km (0.071 R)
• M4: 2,181,287 km (0.098 R)
• M5: 4,269,074 km (0.119 R)
• M6: 5,375,650 km (0.103 R)
• M7: 5,634,005 km (0.11 R)
• M8: 9,528,636 km (0.096 R)
• M9: 10,495,487 km (0.082 R)
• M10: 11,826,460 km (0.088 R)
• M11: 14,223,915 km (0.062 R)
• M12: 15,797,685 km (0.067 R)
• M13: 19,711,315 km (0.107 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 11,836 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit