🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.4

Radius: 8.4

Gravity: 10.49 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.05 AU - 1.21 AU

Year: 764 Days

Day: 10.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,913,862 km

• M1: 104,419 km (0.108 R)
• M2: 393,891 km (0.108 R)
• M3: 880,832 km (0.052 R)
• M4: 1,218,026 km (0.082 R)
• M5: 1,608,476 km (0.117 R)
• M6: 1,874,312 km (0.08 R)
• M7: 2,169,917 km (0.112 R)
• M8: 2,496,489 km (0.099 R)
• M9: 2,880,357 km (0.113 R)
• M10: 3,316,435 km (0.113 R)
• M11: 3,650,487 km (0.071 R)
• M12: 4,369,903 km (0.093 R)
• M13: 5,144,222 km (0.086 R)
• M14: 6,067,839 km (0.082 R)
• M15: 6,504,964 km (0.054 R)
• M16: 6,963,033 km (0.069 R)
• M17: 7,489,169 km (0.112 R)
• M18: 8,750,428 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.5

Radius: 8.7

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.57 AU - 1.63 AU

Year: 1287 Days

Day: 14 Hours

Environment

Temp: -190 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,913,862 km

• M1: 109,057 km (0.103 R)
• M2: 770,429 km (0.079 R)
• M3: 1,046,736 km (0.056 R)
• M4: 1,376,899 km (0.099 R)
• M5: 1,914,554 km (0.094 R)
• M6: 2,282,415 km (0.116 R)
• M7: 2,708,170 km (0.119 R)
• M8: 3,406,194 km (0.115 R)
• M9: 3,677,864 km (0.072 R)
• M10: 4,127,854 km (0.102 R)
• M11: 4,930,596 km (0.069 R)
• M12: 5,423,671 km (0.097 R)
• M13: 6,487,760 km (0.111 R)
• M14: 7,988,526 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.8

Radius: 15

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.16 AU - 2.36 AU

Year: 2160 Days

Day: 14 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,913,862 km

• M1: 186,698 km (0.095 R)
• M2: 726,896 km (0.112 R)
• M3: 1,374,655 km (0.106 R)
• M4: 2,027,799 km (0.088 R)
• M5: 2,650,126 km (0.074 R)
• M6: 4,186,347 km (0.08 R)
• M7: 4,656,084 km (0.056 R)
• M8: 5,439,229 km (0.096 R)
• M9: 6,000,670 km (0.066 R)
• M10: 7,502,483 km (0.095 R)
• M11: 8,841,833 km (0.081 R)
• M12: 10,009,743 km (0.103 R)
• M13: 10,970,461 km (0.06 R)
• M14: 11,512,753 km (0.116 R)
• M15: 12,113,688 km (0.097 R)
• M16: 12,904,911 km (0.077 R)
• M17: 13,953,293 km (0.11 R)
• M18: 16,071,449 km (0.088 R)
• M19: 16,823,029 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.5

Radius: 10.1

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.96 AU - 2.92 AU

Year: 2423 Days

Day: 11.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,913,862 km

• M1: 126,261 km (0.071 R)
• M2: 547,977 km (0.113 R)
• M3: 946,207 km (0.079 R)
• M4: 1,358,947 km (0.073 R)
• M5: 1,929,364 km (0.103 R)
• M6: 2,297,973 km (0.107 R)
• M7: 2,750,506 km (0.115 R)
• M8: 4,321,882 km (0.07 R)
• M9: 6,202,477 km (0.108 R)
• M10: 6,577,070 km (0.103 R)
• M11: 6,896,911 km (0.051 R)
• M12: 7,371,884 km (0.103 R)
• M13: 8,125,408 km (0.093 R)
• M14: 8,682,660 km (0.069 R)
• M15: 9,012,374 km (0.055 R)
• M16: 9,844,138 km (0.091 R)
• M17: 10,203,024 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.9

Radius: 8.8

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.47 AU - 2.69 AU

Year: 2635 Days

Day: 6.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,913,862 km

• M1: 116,387 km (0.101 R)
• M2: 574,605 km (0.059 R)
• M3: 1,131,409 km (0.098 R)
• M4: 2,143,139 km (0.068 R)
• M5: 2,946,330 km (0.1 R)
• M6: 3,726,184 km (0.113 R)
• M7: 4,989,987 km (0.115 R)
• M8: 7,307,258 km (0.042 R)
• M9: 8,752,971 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.7

Radius: 13.6

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.29 AU - 3.99 AU

Year: 4416 Days

Day: 14.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,913,862 km

• M1: 169,644 km (0.094 R)
• M2: 598,242 km (0.088 R)
• M3: 1,031,178 km (0.105 R)
• M4: 1,733,690 km (0.089 R)
• M5: 2,188,916 km (0.088 R)
• M6: 3,051,497 km (0.067 R)
• M7: 3,502,984 km (0.107 R)
• M8: 4,518,753 km (0.077 R)
• M9: 4,956,626 km (0.079 R)
• M10: 6,265,757 km (0.105 R)
• M11: 7,194,311 km (0.047 R)
• M12: 7,828,606 km (0.106 R)
• M13: 9,519,661 km (0.086 R)
• M14: 10,368,030 km (0.058 R)
• M15: 11,266,066 km (0.037 R)
• M16: 12,215,564 km (0.057 R)
• M17: 13,763,902 km (0.099 R)
• M18: 14,429,014 km (0.083 R)
• M19: 16,898,426 km (0.068 R)
• M20: 19,319,368 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 441.7

Radius: 4.1

Gravity: 26.28 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 5.62 AU - 8.3 AU

Year: 11675 Days

Day: 18.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 45,913,862 km

• M1: 51,013 km (0.098 R)
• M2: 276,307 km (0.108 R)
• M3: 616,343 km (0.082 R)
• M4: 1,744,461 km (0.064 R)
• M5: 2,355,269 km (0.096 R)
• M6: 3,258,391 km (0.089 R)
• M7: 3,497,598 km (0.062 R)
• M8: 3,957,761 km (0.115 R)
• M9: 4,662,218 km (0.069 R)
• M10: 5,315,661 km (0.065 R)
• M11: 6,995,496 km (0.036 R)
• M12: 8,019,194 km (0.095 R)
• M13: 10,771,196 km (0.07 R)
• M14: 11,905,447 km (0.106 R)
• M15: 12,414,978 km (0.101 R)
• M16: 13,968,701 km (0.054 R)
• M17: 14,471,799 km (0.114 R)
• M18: 16,956,171 km (0.091 R)
• M19: 22,491,890 km (0.116 R)
• M20: 24,514,753 km (0.027 R)
• M21: 29,222,298 km (0.107 R)
• M22: 30,986,656 km (0.074 R)
• M23: 32,492,059 km (0.119 R)
• M24: 35,531,439 km (0.083 R)
• M25: 38,755,124 km (0.068 R)
• M26: 39,621,594 km (0.096 R)
• M27: 41,136,871 km (0.088 R)
• M28: 44,957,451 km (0.114 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: 252 - 18,645 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit