🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.6

Radius: 8.2

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.47 AU - 0.75 AU

Year: 335 Days

Day: 13.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,372,823 km

• M1: 102,026 km (0.069 R)
• M2: 368,609 km (0.115 R)
• M3: 703,110 km (0.042 R)
• M4: 1,138,589 km (0.116 R)
• M5: 1,409,810 km (0.098 R)
• M6: 1,682,677 km (0.061 R)
• M7: 2,242,921 km (0.087 R)
• M8: 2,891,577 km (0.085 R)
• M9: 3,530,659 km (0.06 R)
• M10: 4,065,921 km (0.037 R)
• M11: 4,612,402 km (0.108 R)
• M12: 4,969,043 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.9

Radius: 11.9

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.59 AU - 0.95 AU

Year: 475 Days

Day: 13.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 85,372,823 km

• M1: 148,102 km (0.073 R)
• M2: 521,349 km (0.112 R)
• M3: 893,548 km (0.115 R)
• M4: 1,317,209 km (0.096 R)
• M5: 1,787,695 km (0.106 R)
• M6: 2,350,631 km (0.079 R)
• M7: 2,728,366 km (0.113 R)
• M8: 3,170,876 km (0.054 R)
• M9: 3,556,540 km (0.103 R)
• M10: 4,044,079 km (0.102 R)
• M11: 4,529,973 km (0.081 R)
• M12: 4,923,864 km (0.062 R)
• M13: 5,780,911 km (0.045 R)
• M14: 6,754,942 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.8

Radius: 9

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.67 AU - 1.05 AU

Year: 561 Days

Day: 6 Hours

Environment

Temp: -174 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 85,372,823 km

• M1: 111,899 km (0.061 R)
• M2: 426,504 km (0.063 R)
• M3: 708,196 km (0.046 R)
• M4: 1,239,418 km (0.078 R)
• M5: 1,537,118 km (0.063 R)
• M6: 1,966,763 km (0.078 R)
• M7: 2,659,850 km (0.066 R)
• M8: 3,011,405 km (0.094 R)
• M9: 3,781,535 km (0.076 R)
• M10: 4,184,252 km (0.098 R)
• M11: 4,630,802 km (0.114 R)
• M12: 5,175,189 km (0.034 R)
• M13: 5,584,489 km (0.046 R)
• M14: 5,869,323 km (0.103 R)
• M15: 6,429,866 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733

Radius: 14.1

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.75 AU - 1.21 AU

Year: 682 Days

Day: 13.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,372,823 km

• M1: 175,478 km (0.088 R)
• M2: 632,350 km (0.084 R)
• M3: 1,225,207 km (0.085 R)
• M4: 1,666,221 km (0.092 R)
• M5: 2,111,724 km (0.107 R)
• M6: 2,945,732 km (0.063 R)
• M7: 3,486,678 km (0.078 R)
• M8: 4,244,840 km (0.096 R)
• M9: 4,854,301 km (0.026 R)
• M10: 5,304,591 km (0.088 R)
• M11: 6,310,038 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.4

Radius: 10.7

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.42 AU - 2.54 AU

Year: 2745 Days

Day: 9.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 85,372,823 km

• M1: 133,142 km (0.104 R)
• M2: 621,729 km (0.043 R)
• M3: 958,773 km (0.089 R)
• M4: 1,561,951 km (0.11 R)
• M5: 2,111,424 km (0.091 R)
• M6: 2,724,925 km (0.101 R)
• M7: 3,174,766 km (0.1 R)
• M8: 4,673,437 km (0.101 R)
• M9: 5,369,666 km (0.091 R)
• M10: 6,001,418 km (0.037 R)
• M11: 6,486,564 km (0.066 R)
• M12: 7,353,035 km (0.086 R)
• M13: 7,783,128 km (0.089 R)
• M14: 8,327,814 km (0.11 R)
• M15: 11,687,184 km (0.104 R)
• M16: 12,062,226 km (0.104 R)
• M17: 13,551,622 km (0.111 R)
• M18: 17,372,502 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 790.4

Radius: 4.3

Gravity: 42.75 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 7.6 AU - 12.34 AU

Year: 22128 Days

Day: 19.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 85,372,823 km

• M1: 53,855 km (0.086 R)
• M2: 377,435 km (0.081 R)
• M3: 620,382 km (0.105 R)
• M4: 2,595,224 km (0.078 R)
• M5: 3,838,382 km (0.073 R)
• M6: 4,375,139 km (0.073 R)
• M7: 4,698,271 km (0.1 R)
• M8: 8,037,445 km (0.115 R)
• M9: 11,106,894 km (0.107 R)
• M10: 16,273,556 km (0.095 R)
• M11: 17,310,269 km (0.047 R)
• M12: 18,025,496 km (0.092 R)
• M13: 20,093,687 km (0.096 R)
• M14: 23,701,239 km (0.036 R)
• M15: 24,471,070 km (0.119 R)
• M16: 24,806,169 km (0.1 R)
• M17: 28,448,877 km (0.075 R)
• M18: 37,654,682 km (0.101 R)
• M19: 39,768,350 km (0.029 R)
• M20: 42,119,280 km (0.108 R)
• M21: 42,439,570 km (0.048 R)
• M22: 43,900,991 km (0.101 R)
• M23: 45,227,924 km (0.077 R)
• M24: 47,614,010 km (0.119 R)
• M25: 51,348,422 km (0.051 R)
• M26: 54,510,921 km (0.099 R)
• M27: 68,902,236 km (0.081 R)
• M28: 72,743,161 km (0.086 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 18,045 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit