🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.8

Radius: 11.8

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.8 AU - 0.86 AU

Year: 496 Days

Day: 8.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,096,814 km

• M1: 147,504 km (0.097 R)
• M2: 543,938 km (0.118 R)
• M3: 952,789 km (0.107 R)
• M4: 1,343,239 km (0.098 R)
• M5: 2,004,163 km (0.104 R)
• M6: 2,567,698 km (0.083 R)
• M7: 3,039,230 km (0.104 R)
• M8: 3,474,111 km (0.11 R)
• M9: 3,849,303 km (0.042 R)
• M10: 4,470,433 km (0.113 R)
• M11: 4,871,505 km (0.082 R)
• M12: 5,280,954 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.5

Radius: 10.8

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.33 AU - 1.35 AU

Year: 1018 Days

Day: 12.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,096,814 km

• M1: 134,488 km (0.115 R)
• M2: 494,870 km (0.032 R)
• M3: 1,007,242 km (0.082 R)
• M4: 2,789,851 km (0.114 R)
• M5: 3,325,411 km (0.067 R)
• M6: 3,928,290 km (0.037 R)
• M7: 4,327,418 km (0.069 R)
• M8: 4,959,618 km (0.061 R)
• M9: 5,614,258 km (0.09 R)
• M10: 5,962,672 km (0.114 R)
• M11: 7,051,595 km (0.086 R)
• M12: 7,435,014 km (0.113 R)
• M13: 7,951,725 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.6

Radius: 10

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.24 AU - 1.66 AU

Year: 1145 Days

Day: 9.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,096,814 km

• M1: 124,316 km (0.113 R)
• M2: 440,566 km (0.113 R)
• M3: 923,617 km (0.118 R)
• M4: 1,260,661 km (0.085 R)
• M5: 1,960,779 km (0.1 R)
• M6: 2,482,128 km (0.039 R)
• M7: 2,808,850 km (0.09 R)
• M8: 3,754,907 km (0.063 R)
• M9: 4,153,734 km (0.104 R)
• M10: 5,756,077 km (0.091 R)
• M11: 7,146,589 km (0.038 R)
• M12: 7,735,108 km (0.08 R)
• M13: 9,942,723 km (0.025 R)
• M14: 10,481,724 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.3

Radius: 11

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.16 AU - 1.8 AU

Year: 1181 Days

Day: 8.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,096,814 km

• M1: 136,732 km (0.108 R)
• M2: 502,350 km (0.093 R)
• M3: 904,469 km (0.12 R)
• M4: 1,553,873 km (0.043 R)
• M5: 1,984,117 km (0.087 R)
• M6: 2,518,331 km (0.108 R)
• M7: 3,293,098 km (0.111 R)
• M8: 3,977,658 km (0.041 R)
• M9: 4,735,371 km (0.095 R)
• M10: 5,333,613 km (0.064 R)
• M11: 5,759,967 km (0.091 R)
• M12: 7,698,306 km (0.036 R)
• M13: 10,991,853 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.7

Radius: 10.3

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.79 AU - 2.53 AU

Year: 2083 Days

Day: 9.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,096,814 km

• M1: 128,056 km (0.107 R)
• M2: 675,734 km (0.108 R)
• M3: 1,140,385 km (0.115 R)
• M4: 1,477,429 km (0.079 R)
• M5: 1,836,015 km (0.086 R)
• M6: 2,763,372 km (0.066 R)
• M7: 3,112,234 km (0.114 R)
• M8: 3,526,471 km (0.117 R)
• M9: 4,176,324 km (0.094 R)
• M10: 5,041,299 km (0.079 R)
• M11: 5,790,335 km (0.113 R)
• M12: 6,667,427 km (0.116 R)
• M13: 7,479,146 km (0.093 R)
• M14: 8,194,074 km (0.088 R)
• M15: 9,125,171 km (0.098 R)
• M16: 9,616,450 km (0.108 R)
• M17: 10,236,683 km (0.098 R)
• M18: 12,090,799 km (0.092 R)
• M19: 12,943,956 km (0.043 R)
• M20: 15,300,870 km (0.119 R)
• M21: 16,401,013 km (0.1 R)
• M22: 18,368,674 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.6

Radius: 9.5

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.32 AU - 2.7 AU

Year: 2609 Days

Day: 13.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,096,814 km

• M1: 118,182 km (0.105 R)
• M2: 415,882 km (0.079 R)
• M3: 726,597 km (0.114 R)
• M4: 1,032,973 km (0.039 R)
• M5: 1,437,486 km (0.059 R)
• M6: 1,934,600 km (0.101 R)
• M7: 2,250,850 km (0.096 R)
• M8: 2,691,266 km (0.08 R)
• M9: 4,409,696 km (0.106 R)
• M10: 4,986,247 km (0.08 R)
• M11: 6,425,677 km (0.119 R)
• M12: 6,789,499 km (0.104 R)
• M13: 7,107,993 km (0.097 R)
• M14: 7,837,881 km (0.108 R)
• M15: 8,417,423 km (0.095 R)
• M16: 8,956,425 km (0.032 R)
• M17: 9,482,411 km (0.086 R)
• M18: 11,065,156 km (0.08 R)
• M19: 11,385,445 km (0.118 R)
• M20: 12,599,133 km (0.077 R)
• M21: 14,459,382 km (0.077 R)
• M22: 18,047,038 km (0.049 R)
• M23: 19,344,650 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 287.7

Radius: 7.8

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 7.23 AU - 9.93 AU

Year: 16487 Days

Day: 19.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,096,814 km

• M1: 112,049 km (0.12 R)
• M2: 434,582 km (0.046 R)
• M3: 1,291,329 km (0.07 R)
• M4: 3,722,593 km (0.12 R)
• M5: 4,044,678 km (0.12 R)
• M6: 4,806,729 km (0.113 R)
• M7: 11,841,270 km (0.11 R)
• M8: 14,800,914 km (0.098 R)
• M9: 16,593,845 km (0.093 R)
• M10: 19,627,839 km (0.099 R)
• M11: 20,358,176 km (0.112 R)
• M12: 27,263,763 km (0.109 R)
• M13: 31,020,465 km (0.052 R)
• M14: 38,024,338 km (0.118 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 20,279 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit