🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.9

Radius: 8.9

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.83 AU - 1.13 AU

Year: 626 Days

Day: 13.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,877,070 km

• M1: 111,002 km (0.112 R)
• M2: 822,938 km (0.089 R)
• M3: 1,227,301 km (0.093 R)
• M4: 1,627,924 km (0.11 R)
• M5: 2,132,817 km (0.036 R)
• M6: 3,000,185 km (0.091 R)
• M7: 3,507,472 km (0.052 R)
• M8: 3,802,778 km (0.098 R)
• M9: 4,114,540 km (0.117 R)
• M10: 4,741,654 km (0.077 R)
• M11: 5,413,498 km (0.109 R)
• M12: 6,925,185 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.2

Radius: 10.3

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.15 AU - 2.43 AU

Year: 2238 Days

Day: 12 Hours

Environment

Temp: -185 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,877,070 km

• M1: 128,056 km (0.066 R)
• M2: 471,084 km (0.097 R)
• M3: 845,527 km (0.079 R)
• M4: 1,485,058 km (0.051 R)
• M5: 2,047,696 km (0.078 R)
• M6: 2,523,716 km (0.115 R)
• M7: 3,423,098 km (0.116 R)
• M8: 4,187,244 km (0.079 R)
• M9: 4,542,539 km (0.086 R)
• M10: 5,378,343 km (0.054 R)
• M11: 5,708,804 km (0.077 R)
• M12: 6,459,187 km (0.117 R)
• M13: 6,935,058 km (0.088 R)
• M14: 8,893,444 km (0.112 R)
• M15: 9,739,121 km (0.083 R)
• M16: 10,165,026 km (0.044 R)
• M17: 10,637,456 km (0.096 R)
• M18: 11,018,930 km (0.1 R)
• M19: 11,662,949 km (0.12 R)
• M20: 12,483,942 km (0.104 R)
• M21: 12,986,890 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.4

Radius: 11.7

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.14 AU - 3.3 AU

Year: 2896 Days

Day: 14.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,877,070 km

• M1: 145,559 km (0.064 R)
• M2: 559,197 km (0.089 R)
• M3: 1,165,218 km (0.064 R)
• M4: 1,586,037 km (0.092 R)
• M5: 2,260,573 km (0.116 R)
• M6: 3,006,319 km (0.032 R)
• M7: 3,542,478 km (0.06 R)
• M8: 4,024,482 km (0.064 R)
• M9: 5,120,885 km (0.109 R)
• M10: 5,689,955 km (0.072 R)
• M11: 6,353,571 km (0.092 R)
• M12: 8,113,889 km (0.099 R)
• M13: 8,955,377 km (0.115 R)
• M14: 10,362,495 km (0.106 R)
• M15: 12,322,377 km (0.117 R)
• M16: 14,014,179 km (0.063 R)
• M17: 15,562,517 km (0.119 R)
• M18: 16,860,578 km (0.061 R)
• M19: 17,326,276 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.4

Radius: 8.6

Gravity: 7.56 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.64 AU - 4.38 AU

Year: 4246 Days

Day: 14.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,877,070 km

• M1: 107,411 km (0.11 R)
• M2: 438,172 km (0.046 R)
• M3: 740,958 km (0.114 R)
• M4: 1,141,881 km (0.046 R)
• M5: 1,500,915 km (0.081 R)
• M6: 1,921,435 km (0.117 R)
• M7: 2,657,307 km (0.069 R)
• M8: 3,035,939 km (0.118 R)
• M9: 3,923,204 km (0.08 R)
• M10: 4,923,416 km (0.045 R)
• M11: 5,771,486 km (0.111 R)
• M12: 6,055,572 km (0.115 R)
• M13: 8,243,291 km (0.109 R)
• M14: 9,553,170 km (0.096 R)
• M15: 9,871,215 km (0.114 R)
• M16: 11,929,682 km (0.078 R)
• M17: 13,108,065 km (0.067 R)
• M18: 13,952,395 km (0.055 R)
• M19: 14,258,921 km (0.113 R)
• M20: 15,530,353 km (0.066 R)
• M21: 16,875,537 km (0.081 R)
• M22: 17,399,579 km (0.042 R)
• M23: 18,175,543 km (0.071 R)
• M24: 20,973,621 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 673.3

Radius: 4.4

Gravity: 34.78 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 7.25 AU - 10.97 AU

Year: 17754 Days

Day: 21.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 69,877,070 km

• M1: 56,398 km (0.086 R)
• M2: 238,160 km (0.089 R)
• M3: 410,048 km (0.057 R)
• M4: 926,609 km (0.108 R)
• M5: 1,977,833 km (0.081 R)
• M6: 2,154,957 km (0.078 R)
• M7: 2,364,245 km (0.096 R)
• M8: 3,178,506 km (0.118 R)
• M9: 3,620,119 km (0.107 R)
• M10: 3,885,954 km (0.071 R)
• M11: 4,292,860 km (0.098 R)
• M12: 4,523,391 km (0.105 R)
• M13: 4,727,442 km (0.072 R)
• M14: 5,117,594 km (0.11 R)
• M15: 6,374,964 km (0.068 R)
• M16: 6,718,889 km (0.114 R)
• M17: 10,390,919 km (0.057 R)
• M18: 13,121,977 km (0.036 R)
• M19: 13,607,572 km (0.054 R)
• M20: 14,688,417 km (0.075 R)
• M21: 15,136,313 km (0.098 R)
• M22: 16,216,858 km (0.076 R)
• M23: 16,614,938 km (0.096 R)
• M24: 22,991,996 km (0.113 R)
• M25: 24,209,723 km (0.096 R)
• M26: 25,362,973 km (0.088 R)
• M27: 26,883,336 km (0.066 R)
• M28: 28,693,919 km (0.059 R)
• M29: 29,393,289 km (0.064 R)
• M30: 33,061,728 km (0.084 R)
• M31: 36,207,472 km (0.106 R)
• M32: 36,750,363 km (0.092 R)
• M33: 44,002,568 km (0.099 R)
• M34: 44,465,573 km (0.101 R)
• M35: 51,295,315 km (0.049 R)
• M36: 53,894,428 km (0.028 R)
• M37: 63,386,263 km (0.114 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 428 - 13,313 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit