🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.6

Radius: 11.1

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.68 AU - 0.96 AU

Year: 522 Days

Day: 8.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,371,849 km

• M1: 138,079 km (0.111 R)
• M2: 555,457 km (0.117 R)
• M3: 958,025 km (0.08 R)
• M4: 1,493,286 km (0.051 R)
• M5: 2,178,444 km (0.112 R)
• M6: 2,703,383 km (0.09 R)
• M7: 3,106,699 km (0.108 R)
• M8: 3,686,241 km (0.108 R)
• M9: 4,393,091 km (0.118 R)
• M10: 4,771,873 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.2

Radius: 8.2

Gravity: 11.07 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.89 AU - 0.99 AU

Year: 641 Days

Day: 9.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,371,849 km

• M1: 102,026 km (0.06 R)
• M2: 362,027 km (0.036 R)
• M3: 662,569 km (0.064 R)
• M4: 1,035,068 km (0.062 R)
• M5: 1,355,656 km (0.113 R)
• M6: 1,685,070 km (0.099 R)
• M7: 2,240,527 km (0.101 R)
• M8: 2,807,503 km (0.065 R)
• M9: 4,395,634 km (0.078 R)
• M10: 4,969,192 km (0.052 R)
• M11: 5,408,711 km (0.106 R)
• M12: 5,703,568 km (0.097 R)
• M13: 6,146,079 km (0.051 R)
• M14: 6,694,505 km (0.116 R)
• M15: 7,275,244 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.2

Radius: 14.1

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.22 AU - 1.6 AU

Year: 1177 Days

Day: 5.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,371,849 km

• M1: 175,777 km (0.093 R)
• M2: 747,541 km (0.063 R)
• M3: 1,273,527 km (0.096 R)
• M4: 1,738,028 km (0.113 R)
• M5: 2,969,967 km (0.12 R)
• M6: 4,037,946 km (0.08 R)
• M7: 6,249,750 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.9

Radius: 12.5

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.97 AU - 4.57 AU

Year: 6202 Days

Day: 14 Hours

Environment

Temp: -218 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,371,849 km

• M1: 155,731 km (0.089 R)
• M2: 959,670 km (0.077 R)
• M3: 1,362,388 km (0.074 R)
• M4: 1,769,892 km (0.052 R)
• M5: 2,260,274 km (0.044 R)
• M6: 2,822,014 km (0.097 R)
• M7: 3,282,327 km (0.118 R)
• M8: 3,700,154 km (0.103 R)
• M9: 5,836,411 km (0.107 R)
• M10: 6,865,944 km (0.112 R)
• M11: 8,409,196 km (0.097 R)
• M12: 10,080,952 km (0.102 R)
• M13: 12,430,835 km (0.106 R)
• M14: 14,072,821 km (0.073 R)
• M15: 16,994,019 km (0.078 R)
• M16: 17,451,489 km (0.1 R)
• M17: 23,041,064 km (0.092 R)
• M18: 27,785,710 km (0.103 R)
• M19: 30,866,977 km (0.042 R)
• M20: 32,740,691 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.4

Radius: 11

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 4.43 AU - 4.69 AU

Year: 6845 Days

Day: 8 Hours

Environment

Temp: -218 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,371,849 km

• M1: 137,181 km (0.106 R)
• M2: 527,183 km (0.099 R)
• M3: 941,569 km (0.088 R)
• M4: 1,349,373 km (0.112 R)
• M5: 1,948,811 km (0.059 R)
• M6: 2,465,373 km (0.088 R)
• M7: 3,942,801 km (0.072 R)
• M8: 5,028,284 km (0.081 R)
• M9: 6,103,743 km (0.109 R)
• M10: 6,748,659 km (0.079 R)
• M11: 7,215,554 km (0.04 R)
• M12: 8,375,985 km (0.112 R)
• M13: 9,434,839 km (0.076 R)
• M14: 9,837,107 km (0.084 R)
• M15: 12,232,019 km (0.08 R)
• M16: 14,692,755 km (0.104 R)
• M17: 19,189,068 km (0.049 R)
• M18: 19,690,969 km (0.115 R)
• M19: 20,721,250 km (0.118 R)
• M20: 24,193,566 km (0.111 R)
• M21: 29,150,491 km (0.107 R)
• M22: 31,369,028 km (0.041 R)
• M23: 32,468,871 km (0.049 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 262.9

Radius: 4.1

Gravity: 15.64 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 7.54 AU - 11.8 AU

Year: 21137 Days

Day: 16.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,371,849 km

• M1: 55,202 km (0.11 R)
• M2: 244,443 km (0.115 R)
• M3: 390,899 km (0.096 R)
• M4: 636,689 km (0.107 R)
• M5: 935,884 km (0.088 R)
• M6: 1,859,651 km (0.077 R)
• M7: 2,364,095 km (0.034 R)
• M8: 4,451,285 km (0.032 R)
• M9: 6,549,993 km (0.109 R)
• M10: 10,389,572 km (0.1 R)
• M11: 12,556,497 km (0.12 R)
• M12: 19,376,963 km (0.114 R)
• M13: 22,997,381 km (0.055 R)
• M14: 28,527,566 km (0.116 R)
• M15: 38,980,568 km (0.105 R)
• M16: 39,514,482 km (0.116 R)
• M17: 42,117,037 km (0.049 R)
• M18: 54,830,911 km (0.068 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 502 - 13,184 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit