🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.8

Radius: 11.7

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.51 AU - 0.75 AU

Year: 345 Days

Day: 9.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 59,639,326 km

• M1: 145,559 km (0.094 R)
• M2: 510,578 km (0.093 R)
• M3: 1,123,031 km (0.114 R)
• M4: 2,263,266 km (0.104 R)
• M5: 2,674,062 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.9

Radius: 12.5

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.09 AU - 1.09 AU

Year: 786 Days

Day: 9.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,639,326 km

• M1: 155,582 km (0.099 R)
• M2: 556,504 km (0.106 R)
• M3: 1,036,564 km (0.088 R)
• M4: 1,448,107 km (0.045 R)
• M5: 2,278,675 km (0.103 R)
• M6: 3,175,215 km (0.092 R)
• M7: 4,459,213 km (0.111 R)
• M8: 5,484,707 km (0.108 R)
• M9: 6,063,800 km (0.08 R)
• M10: 6,465,022 km (0.113 R)
• M11: 6,951,963 km (0.044 R)
• M12: 7,368,294 km (0.097 R)
• M13: 7,999,447 km (0.104 R)
• M14: 9,481,513 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.4

Radius: 13.2

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.62 AU - 2.94 AU

Year: 3199 Days

Day: 5.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,639,326 km

• M1: 164,109 km (0.074 R)
• M2: 686,505 km (0.084 R)
• M3: 1,283,550 km (0.101 R)
• M4: 1,744,610 km (0.085 R)
• M5: 2,260,723 km (0.086 R)
• M6: 2,811,842 km (0.109 R)
• M7: 4,342,377 km (0.111 R)
• M8: 5,150,655 km (0.116 R)
• M9: 6,256,033 km (0.115 R)
• M10: 6,758,533 km (0.067 R)
• M11: 7,384,300 km (0.091 R)
• M12: 7,980,149 km (0.055 R)
• M13: 8,536,503 km (0.072 R)
• M14: 9,534,321 km (0.076 R)
• M15: 12,300,087 km (0.095 R)
• M16: 15,939,653 km (0.111 R)
• M17: 16,544,178 km (0.104 R)
• M18: 17,566,530 km (0.111 R)
• M19: 19,736,896 km (0.086 R)
• M20: 21,411,943 km (0.064 R)
• M21: 23,179,741 km (0.113 R)
• M22: 23,956,304 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.5

Radius: 13.8

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.31 AU - 4.43 AU

Year: 5255 Days

Day: 10.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,639,326 km

• M1: 171,589 km (0.085 R)
• M2: 646,562 km (0.093 R)
• M3: 1,325,288 km (0.106 R)
• M4: 1,909,467 km (0.108 R)
• M5: 3,653,330 km (0.118 R)
• M6: 4,282,837 km (0.104 R)
• M7: 4,821,689 km (0.112 R)
• M8: 5,610,967 km (0.108 R)
• M9: 6,484,619 km (0.113 R)
• M10: 6,920,248 km (0.105 R)
• M11: 8,424,454 km (0.115 R)
• M12: 8,944,307 km (0.028 R)
• M13: 11,433,466 km (0.068 R)
• M14: 13,908,862 km (0.063 R)
• M15: 14,923,285 km (0.111 R)
• M16: 16,722,798 km (0.098 R)
• M17: 18,131,561 km (0.104 R)
• M18: 20,178,359 km (0.107 R)
• M19: 20,677,418 km (0.092 R)
• M20: 22,299,358 km (0.083 R)
• M21: 25,052,557 km (0.112 R)
• M22: 26,553,323 km (0.075 R)
• M23: 27,152,911 km (0.06 R)
• M24: 27,586,745 km (0.072 R)
• M25: 29,186,694 km (0.031 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 77.7

Radius: 6.2

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 5.35 AU - 7.97 AU

Year: 11864 Days

Day: 15.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,639,326 km

• M1: 79,287 km (0.111 R)
• M2: 310,416 km (0.065 R)
• M3: 610,359 km (0.057 R)
• M4: 849,417 km (0.117 R)
• M5: 1,160,281 km (0.095 R)
• M6: 1,943,576 km (0.099 R)
• M7: 2,270,596 km (0.096 R)
• M8: 2,962,337 km (0.091 R)
• M9: 3,221,590 km (0.118 R)
• M10: 5,904,179 km (0.108 R)
• M11: 8,556,998 km (0.068 R)
• M12: 11,729,670 km (0.112 R)
• M13: 16,682,855 km (0.069 R)
• M14: 18,539,515 km (0.102 R)
• M15: 22,235,330 km (0.091 R)
• M16: 23,014,735 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 661.7

Radius: 4.8

Gravity: 28.72 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 5.83 AU - 9.13 AU

Year: 14121 Days

Day: 24.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,639,326 km

• M1: 65,823 km (0.107 R)
• M2: 219,759 km (0.036 R)
• M3: 651,798 km (0.095 R)
• M4: 803,640 km (0.104 R)
• M5: 2,030,342 km (0.114 R)
• M6: 3,988,279 km (0.042 R)
• M7: 4,796,706 km (0.102 R)
• M8: 5,896,849 km (0.117 R)
• M9: 7,462,540 km (0.093 R)
• M10: 8,631,947 km (0.105 R)
• M11: 12,864,669 km (0.081 R)
• M12: 16,649,345 km (0.116 R)
• M13: 19,547,206 km (0.074 R)
• M14: 22,297,712 km (0.062 R)
• M15: 27,048,342 km (0.091 R)
• M16: 34,621,435 km (0.12 R)
• M17: 44,514,642 km (0.096 R)
• M18: 49,073,338 km (0.104 R)
• M19: 51,303,243 km (0.086 R)
• M20: 52,607,438 km (0.111 R)
• M21: 55,964,115 km (0.091 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 336 - 16,317 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit