🌌 Stone's Star System Generator

Asteroid Belt

Center: 1 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.4

Radius: 13.3

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.7 AU - 2.28 AU

Year: 1813 Days

Day: 11.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,212,547 km

• M1: 165,455 km (0.092 R)
• M2: 712,983 km (0.109 R)
• M3: 1,282,802 km (0.063 R)
• M4: 1,749,098 km (0.045 R)
• M5: 2,516,535 km (0.049 R)
• M6: 3,277,839 km (0.116 R)
• M7: 4,411,492 km (0.117 R)
• M8: 5,090,217 km (0.088 R)
• M9: 5,746,054 km (0.118 R)
• M10: 6,758,533 km (0.083 R)
• M11: 7,200,744 km (0.118 R)
• M12: 7,830,102 km (0.051 R)
• M13: 8,766,435 km (0.093 R)
• M14: 9,516,669 km (0.075 R)
• M15: 11,397,712 km (0.099 R)
• M16: 13,434,188 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398

Radius: 10.4

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.1 AU - 4.12 AU

Year: 4429 Days

Day: 11.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,212,547 km

• M1: 129,402 km (0.115 R)
• M2: 460,911 km (0.085 R)
• M3: 844,779 km (0.064 R)
• M4: 1,262,307 km (0.106 R)
• M5: 1,698,833 km (0.045 R)
• M6: 2,653,268 km (0.053 R)
• M7: 3,000,784 km (0.107 R)
• M8: 3,608,899 km (0.079 R)
• M9: 4,037,497 km (0.082 R)
• M10: 4,364,219 km (0.109 R)
• M11: 4,972,783 km (0.038 R)
• M12: 6,244,365 km (0.108 R)
• M13: 6,713,055 km (0.108 R)
• M14: 7,331,792 km (0.113 R)
• M15: 10,762,071 km (0.118 R)
• M16: 11,917,116 km (0.116 R)
• M17: 12,319,983 km (0.107 R)
• M18: 14,982,676 km (0.032 R)
• M19: 15,610,987 km (0.078 R)
• M20: 17,145,262 km (0.063 R)
• M21: 18,183,172 km (0.046 R)
• M22: 20,131,236 km (0.111 R)
• M23: 20,767,476 km (0.079 R)
• M24: 22,281,855 km (0.063 R)
• M25: 23,031,490 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.6

Radius: 9.4

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.75 AU - 4.43 AU

Year: 5341 Days

Day: 11.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,212,547 km

• M1: 116,836 km (0.111 R)
• M2: 1,352,066 km (0.077 R)
• M3: 1,679,984 km (0.073 R)
• M4: 3,397,368 km (0.101 R)
• M5: 6,467,565 km (0.033 R)
• M6: 7,554,094 km (0.096 R)
• M7: 7,954,418 km (0.111 R)
• M8: 11,685,239 km (0.079 R)
• M9: 13,500,759 km (0.118 R)
• M10: 14,420,487 km (0.068 R)
• M11: 15,496,993 km (0.097 R)
• M12: 18,716,638 km (0.1 R)
• M13: 20,343,066 km (0.114 R)
• M14: 23,107,485 km (0.103 R)
• M15: 24,343,014 km (0.047 R)
• M16: 24,658,666 km (0.097 R)
• M17: 25,948,648 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.5

Radius: 8.7

Gravity: 9.2 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.8 AU - 6.12 AU

Year: 8238 Days

Day: 11 Hours

Environment

Temp: -219 °C

Axial Tilt: 158 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 72,212,547 km

• M1: 108,159 km (0.075 R)
• M2: 602,431 km (0.063 R)
• M3: 885,470 km (0.067 R)
• M4: 1,330,673 km (0.112 R)
• M5: 1,654,253 km (0.049 R)
• M6: 2,062,955 km (0.075 R)
• M7: 2,519,079 km (0.117 R)
• M8: 2,998,689 km (0.1 R)
• M9: 3,881,466 km (0.118 R)
• M10: 4,987,892 km (0.071 R)
• M11: 5,516,870 km (0.078 R)
• M12: 5,980,324 km (0.098 R)
• M13: 6,797,727 km (0.114 R)
• M14: 7,098,868 km (0.102 R)
• M15: 8,308,666 km (0.068 R)
• M16: 9,839,800 km (0.105 R)
• M17: 10,874,568 km (0.087 R)
• M18: 14,974,896 km (0.119 R)
• M19: 15,293,091 km (0.097 R)
• M20: 16,543,281 km (0.082 R)
• M21: 18,290,284 km (0.07 R)
• M22: 19,320,565 km (0.096 R)
• M23: 23,402,193 km (0.076 R)
• M24: 23,744,772 km (0.098 R)
• M25: 24,439,954 km (0.109 R)
• M26: 29,691,138 km (0.101 R)
• M27: 35,874,617 km (0.095 R)
• M28: 38,309,771 km (0.085 R)
• M29: 39,386,427 km (0.084 R)
• M30: 41,850,902 km (0.079 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 500.9

Radius: 7.4

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 9.15 AU - 11.63 AU

Year: 21624 Days

Day: 24.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 72,212,547 km

• M1: 94,247 km (0.046 R)
• M2: 335,398 km (0.069 R)
• M3: 722,558 km (0.111 R)
• M4: 1,205,460 km (0.093 R)
• M5: 3,895,229 km (0.116 R)
• M6: 4,175,725 km (0.092 R)
• M7: 4,883,024 km (0.097 R)
• M8: 5,473,487 km (0.118 R)
• M9: 6,663,987 km (0.102 R)
• M10: 7,579,825 km (0.106 R)
• M11: 8,422,061 km (0.082 R)
• M12: 9,053,065 km (0.116 R)
• M13: 12,622,320 km (0.076 R)
• M14: 14,309,635 km (0.096 R)
• M15: 16,867,908 km (0.067 R)
• M16: 19,989,716 km (0.115 R)
• M17: 20,732,320 km (0.112 R)
• M18: 21,880,484 km (0.102 R)
• M19: 23,681,343 km (0.115 R)
• M20: 24,303,072 km (0.079 R)
• M21: 25,470,982 km (0.069 R)
• M22: 28,611,790 km (0.098 R)
• M23: 32,507,019 km (0.065 R)
• M24: 34,713,438 km (0.071 R)
• M25: 34,979,423 km (0.095 R)
• M26: 37,156,371 km (0.096 R)
• M27: 37,995,466 km (0.09 R)
• M28: 44,382,995 km (0.101 R)
• M29: 48,739,136 km (0.066 R)
• M30: 53,372,032 km (0.034 R)
• M31: 57,915,768 km (0.102 R)
• M32: 60,955,148 km (0.093 R)
• M33: 61,342,457 km (0.102 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: 313 - 13,901 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit