🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817

Radius: 12.2

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.96 AU - 1 AU

Year: 617 Days

Day: 6 Hours

Environment

Temp: -154 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,106,378 km

• M1: 151,692 km (0.05 R)
• M2: 664,963 km (0.038 R)
• M3: 1,067,530 km (0.065 R)
• M4: 1,608,476 km (0.081 R)
• M5: 2,043,058 km (0.085 R)
• M6: 2,631,875 km (0.118 R)
• M7: 3,155,019 km (0.118 R)
• M8: 3,775,102 km (0.113 R)
• M9: 5,000,010 km (0.042 R)
• M10: 6,154,008 km (0.05 R)
• M11: 6,952,860 km (0.054 R)
• M12: 7,500,538 km (0.072 R)
• M13: 7,935,868 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147

Radius: 8.7

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.92 AU - 1.46 AU

Year: 825 Days

Day: 7.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,106,378 km

• M1: 108,309 km (0.113 R)
• M2: 417,228 km (0.1 R)
• M3: 1,627,176 km (0.07 R)
• M4: 1,921,435 km (0.072 R)
• M5: 2,430,367 km (0.093 R)
• M6: 2,868,988 km (0.064 R)
• M7: 3,313,892 km (0.098 R)
• M8: 3,741,742 km (0.113 R)
• M9: 4,047,221 km (0.104 R)
• M10: 4,369,455 km (0.084 R)
• M11: 5,019,757 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.5

Radius: 13.6

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 5.03 AU - 5.15 AU

Year: 7301 Days

Day: 12.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,106,378 km

• M1: 169,345 km (0.077 R)
• M2: 771,476 km (0.103 R)
• M3: 1,570,628 km (0.105 R)
• M4: 2,527,456 km (0.107 R)
• M5: 3,083,511 km (0.057 R)
• M6: 3,530,061 km (0.084 R)
• M7: 5,511,335 km (0.073 R)
• M8: 5,970,002 km (0.11 R)
• M9: 8,616,239 km (0.091 R)
• M10: 9,281,650 km (0.111 R)
• M11: 10,368,479 km (0.106 R)
• M12: 10,816,225 km (0.066 R)
• M13: 12,019,441 km (0.112 R)
• M14: 13,021,896 km (0.089 R)
• M15: 14,691,259 km (0.106 R)
• M16: 16,905,158 km (0.118 R)
• M17: 19,333,281 km (0.08 R)
• M18: 20,708,983 km (0.047 R)
• M19: 24,695,766 km (0.069 R)
• M20: 25,227,587 km (0.112 R)
• M21: 29,463,749 km (0.026 R)
• M22: 32,221,287 km (0.05 R)
• M23: 37,424,451 km (0.049 R)
• M24: 38,599,542 km (0.09 R)
• M25: 39,316,415 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.5

Radius: 14

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 4.06 AU - 6.64 AU

Year: 7868 Days

Day: 8.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,106,378 km

• M1: 176,077 km (0.037 R)
• M2: 1,399,638 km (0.075 R)
• M3: 3,073,787 km (0.113 R)
• M4: 3,519,140 km (0.099 R)
• M5: 4,127,106 km (0.071 R)
• M6: 4,916,983 km (0.109 R)
• M7: 7,291,999 km (0.098 R)
• M8: 7,808,859 km (0.079 R)
• M9: 8,882,523 km (0.087 R)
• M10: 9,544,045 km (0.116 R)
• M11: 10,694,004 km (0.108 R)
• M12: 11,202,936 km (0.05 R)
• M13: 12,269,569 km (0.081 R)
• M14: 13,091,010 km (0.089 R)
• M15: 14,227,505 km (0.074 R)
• M16: 17,010,774 km (0.095 R)
• M17: 18,032,677 km (0.07 R)
• M18: 18,924,430 km (0.061 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 176.1

Radius: 5.9

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 6.95 AU - 7.93 AU

Year: 12903 Days

Day: 18.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,106,378 km

• M1: 73,453 km (0.09 R)
• M2: 316,699 km (0.113 R)
• M3: 500,704 km (0.087 R)
• M4: 907,909 km (0.097 R)
• M5: 2,114,566 km (0.101 R)
• M6: 2,594,476 km (0.043 R)
• M7: 3,936,818 km (0.068 R)
• M8: 4,314,552 km (0.08 R)
• M9: 5,845,088 km (0.098 R)
• M10: 7,514,899 km (0.103 R)
• M11: 8,665,008 km (0.046 R)
• M12: 12,071,202 km (0.094 R)
• M13: 19,373,971 km (0.079 R)
• M14: 21,593,106 km (0.073 R)
• M15: 24,724,040 km (0.082 R)
• M16: 32,167,581 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 278.9

Radius: 4.2

Gravity: 15.81 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 7.43 AU - 7.45 AU

Year: 12903 Days

Day: 20.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,106,378 km

• M1: 60,438 km (0.05 R)
• M2: 218,114 km (0.072 R)
• M3: 531,222 km (0.102 R)
• M4: 693,685 km (0.094 R)
• M5: 985,401 km (0.087 R)
• M6: 1,443,171 km (0.098 R)
• M7: 3,884,458 km (0.074 R)
• M8: 4,474,323 km (0.076 R)
• M9: 5,897,447 km (0.079 R)
• M10: 7,164,092 km (0.101 R)
• M11: 8,215,167 km (0.118 R)
• M12: 16,277,894 km (0.12 R)
• M13: 16,682,407 km (0.108 R)
• M14: 17,371,454 km (0.064 R)
• M15: 19,552,143 km (0.086 R)
• M16: 21,103,173 km (0.114 R)
• M17: 22,236,377 km (0.096 R)
• M18: 24,011,505 km (0.108 R)
• M19: 30,302,694 km (0.077 R)
• M20: 33,661,017 km (0.048 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: 212 - 12,794 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit