🌌 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: 656.1

Radius: 9.8

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.71 AU - 0.95 AU

Year: 496 Days

Day: 7.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,444,515 km

• M1: 121,922 km (0.064 R)
• M2: 433,684 km (0.05 R)
• M3: 1,011,880 km (0.098 R)
• M4: 1,374,505 km (0.109 R)
• M5: 2,054,727 km (0.12 R)
• M6: 2,709,068 km (0.095 R)
• M7: 3,091,141 km (0.082 R)
• M8: 3,712,421 km (0.079 R)
• M9: 4,836,948 km (0.094 R)
• M10: 5,285,742 km (0.08 R)
• M11: 6,010,842 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.8

Radius: 11.3

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.67 AU - 1.89 AU

Year: 1558 Days

Day: 13.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,444,515 km

• M1: 140,622 km (0.072 R)
• M2: 639,082 km (0.079 R)
• M3: 1,074,861 km (0.081 R)
• M4: 1,720,824 km (0.07 R)
• M5: 2,075,222 km (0.118 R)
• M6: 2,544,660 km (0.066 R)
• M7: 3,114,927 km (0.074 R)
• M8: 3,546,816 km (0.12 R)
• M9: 4,203,850 km (0.101 R)
• M10: 4,571,861 km (0.112 R)
• M11: 5,530,633 km (0.08 R)
• M12: 6,118,553 km (0.098 R)
• M13: 7,447,580 km (0.069 R)
• M14: 7,872,738 km (0.037 R)
• M15: 8,710,186 km (0.1 R)
• M16: 9,214,780 km (0.101 R)
• M17: 10,282,610 km (0.085 R)
• M18: 11,099,713 km (0.104 R)
• M19: 11,505,572 km (0.064 R)
• M20: 12,113,688 km (0.113 R)
• M21: 12,623,368 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.9

Radius: 14.8

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.9 AU - 1.92 AU

Year: 1732 Days

Day: 8.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 68.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,444,515 km

• M1: 190,139 km (0.116 R)
• M2: 671,545 km (0.06 R)
• M3: 1,304,643 km (0.101 R)
• M4: 1,819,708 km (0.114 R)
• M5: 2,309,642 km (0.078 R)
• M6: 2,783,717 km (0.059 R)
• M7: 3,850,649 km (0.094 R)
• M8: 4,977,869 km (0.092 R)
• M9: 5,693,845 km (0.065 R)
• M10: 7,358,121 km (0.081 R)
• M11: 9,030,924 km (0.118 R)
• M12: 9,941,227 km (0.097 R)
• M13: 10,516,282 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.9

Radius: 14.2

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 4.58 AU - 6.5 AU

Year: 8554 Days

Day: 10.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,444,515 km

• M1: 176,974 km (0.102 R)
• M2: 786,735 km (0.049 R)
• M3: 1,459,776 km (0.094 R)
• M4: 1,946,418 km (0.101 R)
• M5: 3,228,472 km (0.087 R)
• M6: 3,857,082 km (0.038 R)
• M7: 5,295,465 km (0.103 R)
• M8: 8,490,427 km (0.08 R)
• M9: 8,984,250 km (0.116 R)
• M10: 11,937,611 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.7

Radius: 14.9

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.92 AU - 6.48 AU

Year: 8927 Days

Day: 13.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 36,444,515 km

• M1: 187,895 km (0.04 R)
• M2: 905,067 km (0.113 R)
• M3: 1,500,766 km (0.107 R)
• M4: 2,120,550 km (0.04 R)
• M5: 2,986,721 km (0.109 R)
• M6: 4,226,738 km (0.084 R)
• M7: 5,573,568 km (0.079 R)
• M8: 6,363,295 km (0.048 R)
• M9: 7,371,734 km (0.059 R)
• M10: 8,484,294 km (0.092 R)
• M11: 9,357,945 km (0.053 R)
• M12: 10,851,231 km (0.118 R)
• M13: 12,394,184 km (0.07 R)
• M14: 13,519,608 km (0.095 R)
• M15: 14,537,622 km (0.114 R)
• M16: 15,484,876 km (0.057 R)
• M17: 16,536,100 km (0.059 R)
• M18: 18,988,308 km (0.096 R)
• M19: 20,337,681 km (0.07 R)
• M20: 21,598,342 km (0.083 R)
• M21: 22,209,449 km (0.087 R)
• M22: 22,675,297 km (0.106 R)
• M23: 25,949,695 km (0.066 R)
• M24: 27,078,411 km (0.081 R)
• M25: 29,808,273 km (0.051 R)
• M26: 31,727,165 km (0.104 R)
• M27: 34,654,048 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 176.2

Radius: 3.7

Gravity: 12.87 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 7.21 AU - 7.49 AU

Year: 13072 Days

Day: 22.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,444,515 km

• M1: 58,493 km (0.112 R)
• M2: 999,613 km (0.094 R)
• M3: 1,194,539 km (0.069 R)
• M4: 1,354,010 km (0.108 R)
• M5: 2,155,705 km (0.092 R)
• M6: 3,520,038 km (0.079 R)
• M7: 6,645,885 km (0.091 R)
• M8: 7,408,087 km (0.112 R)
• M9: 7,636,074 km (0.095 R)
• M10: 8,307,768 km (0.114 R)
• M11: 8,430,289 km (0.047 R)
• M12: 8,595,445 km (0.081 R)
• M13: 18,682,081 km (0.089 R)
• M14: 20,484,287 km (0.059 R)
• M15: 22,875,908 km (0.036 R)
• M16: 25,966,151 km (0.113 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 14,281 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit