🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.8

Radius: 10.4

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.61 AU - 0.81 AU

Year: 380 Days

Day: 11.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,678,086 km

• M1: 129,402 km (0.108 R)
• M2: 541,395 km (0.12 R)
• M3: 934,089 km (0.112 R)
• M4: 1,339,200 km (0.098 R)
• M5: 1,926,821 km (0.044 R)
• M6: 2,398,652 km (0.053 R)
• M7: 2,823,660 km (0.1 R)
• M8: 3,250,762 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.8

Radius: 13.9

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.36 AU - 1.58 AU

Year: 1133 Days

Day: 9.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,678,086 km

• M1: 172,935 km (0.098 R)
• M2: 607,068 km (0.111 R)
• M3: 1,213,239 km (0.086 R)
• M4: 1,814,173 km (0.068 R)
• M5: 2,249,802 km (0.114 R)
• M6: 2,781,324 km (0.118 R)
• M7: 3,439,554 km (0.106 R)
• M8: 5,108,767 km (0.11 R)
• M9: 5,763,856 km (0.068 R)
• M10: 6,747,014 km (0.105 R)
• M11: 8,603,673 km (0.08 R)
• M12: 9,273,422 km (0.112 R)
• M13: 10,312,230 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.2

Radius: 8.4

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.26 AU - 3.54 AU

Year: 3986 Days

Day: 12.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,678,086 km

• M1: 104,419 km (0.099 R)
• M2: 723,455 km (0.112 R)
• M3: 1,086,081 km (0.076 R)
• M4: 1,414,597 km (0.094 R)
• M5: 2,435,603 km (0.104 R)
• M6: 3,883,860 km (0.118 R)
• M7: 5,638,344 km (0.111 R)
• M8: 7,333,437 km (0.091 R)
• M9: 9,757,671 km (0.101 R)
• M10: 12,136,127 km (0.071 R)
• M11: 14,553,180 km (0.038 R)
• M12: 16,464,592 km (0.116 R)
• M13: 17,120,280 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.7

Radius: 11.8

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.97 AU - 4.91 AU

Year: 4973 Days

Day: 12.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,678,086 km

• M1: 146,756 km (0.076 R)
• M2: 1,483,412 km (0.093 R)
• M3: 1,895,854 km (0.057 R)
• M4: 2,483,025 km (0.08 R)
• M5: 2,884,097 km (0.109 R)
• M6: 3,431,476 km (0.118 R)
• M7: 3,841,673 km (0.111 R)
• M8: 4,946,154 km (0.091 R)
• M9: 5,792,878 km (0.115 R)
• M10: 6,933,861 km (0.078 R)
• M11: 8,759,554 km (0.057 R)
• M12: 10,303,105 km (0.095 R)
• M13: 14,030,335 km (0.085 R)
• M14: 15,372,976 km (0.069 R)
• M15: 16,495,260 km (0.098 R)
• M16: 19,709,370 km (0.064 R)
• M17: 20,538,740 km (0.073 R)
• M18: 30,795,769 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.1

Radius: 11.8

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.62 AU - 4.6 AU

Year: 5298 Days

Day: 8 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,678,086 km

• M1: 147,055 km (0.1 R)
• M2: 549,772 km (0.111 R)
• M3: 925,712 km (0.066 R)
• M4: 1,292,825 km (0.101 R)
• M5: 1,911,711 km (0.113 R)
• M6: 2,422,738 km (0.096 R)
• M7: 2,984,926 km (0.109 R)
• M8: 3,414,123 km (0.1 R)
• M9: 3,791,558 km (0.093 R)
• M10: 4,296,750 km (0.11 R)
• M11: 4,765,141 km (0.104 R)
• M12: 6,055,572 km (0.035 R)
• M13: 6,578,566 km (0.036 R)
• M14: 7,238,742 km (0.052 R)
• M15: 8,213,073 km (0.049 R)
• M16: 9,272,674 km (0.059 R)
• M17: 10,148,271 km (0.04 R)
• M18: 10,606,339 km (0.063 R)
• M19: 12,114,585 km (0.116 R)
• M20: 13,706,007 km (0.102 R)
• M21: 15,794,543 km (0.109 R)
• M22: 17,364,423 km (0.077 R)
• M23: 20,017,691 km (0.113 R)
• M24: 26,371,262 km (0.114 R)
• M25: 29,397,777 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 370.4

Radius: 5.3

Gravity: 13.19 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 8.47 AU - 13.61 AU

Year: 23323 Days

Day: 21.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 68,678,086 km

• M1: 68,217 km (0.045 R)
• M2: 446,400 km (0.062 R)
• M3: 648,357 km (0.112 R)
• M4: 2,622,451 km (0.078 R)
• M5: 3,684,147 km (0.115 R)
• M6: 5,636,100 km (0.03 R)
• M7: 6,831,836 km (0.116 R)
• M8: 8,849,911 km (0.109 R)
• M9: 9,769,040 km (0.031 R)
• M10: 12,639,075 km (0.079 R)
• M11: 13,872,809 km (0.12 R)
• M12: 14,229,151 km (0.074 R)
• M13: 14,664,930 km (0.099 R)
• M14: 15,486,820 km (0.061 R)
• M15: 16,339,079 km (0.044 R)
• M16: 17,550,972 km (0.074 R)
• M17: 19,523,869 km (0.096 R)
• M18: 21,261,298 km (0.092 R)
• M19: 22,410,210 km (0.093 R)
• M20: 30,783,352 km (0.089 R)
• M21: 31,024,953 km (0.079 R)
• M22: 32,251,655 km (0.069 R)
• M23: 35,063,796 km (0.089 R)
• M24: 37,208,730 km (0.105 R)
• M25: 40,878,067 km (0.101 R)
• M26: 44,012,292 km (0.098 R)
• M27: 46,663,914 km (0.06 R)
• M28: 48,598,663 km (0.11 R)
• M29: 49,917,668 km (0.105 R)
• M30: 54,369,252 km (0.12 R)
• M31: 54,545,478 km (0.11 R)
• M32: 61,340,513 km (0.112 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: 432 - 11,347 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit