🌌 Stone's Star System Generator

Asteroid Belt

Center: 2.21 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.5

Radius: 11.8

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 4.14 AU - 4.68 AU

Year: 6392 Days

Day: 12.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,940,495 km

• M1: 160,070 km (0.047 R)
• M2: 571,913 km (0.107 R)
• M3: 1,678,039 km (0.095 R)
• M4: 2,120,101 km (0.074 R)
• M5: 2,796,283 km (0.068 R)
• M6: 3,465,435 km (0.071 R)
• M7: 7,676,914 km (0.03 R)
• M8: 13,719,172 km (0.059 R)
• M9: 15,587,500 km (0.085 R)
• M10: 17,433,837 km (0.068 R)
• M11: 18,377,650 km (0.092 R)
• M12: 18,764,659 km (0.097 R)
• M13: 19,289,000 km (0.089 R)
• M14: 20,367,301 km (0.067 R)
• M15: 22,204,363 km (0.112 R)
• M16: 22,791,236 km (0.095 R)
• M17: 27,193,303 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.4

Radius: 12.4

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 4.18 AU - 5.7 AU

Year: 7579 Days

Day: 6.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,940,495 km

• M1: 154,834 km (0.059 R)
• M2: 554,859 km (0.066 R)
• M3: 999,463 km (0.078 R)
• M4: 1,537,118 km (0.117 R)
• M5: 2,449,366 km (0.104 R)
• M6: 3,490,866 km (0.099 R)
• M7: 3,977,807 km (0.116 R)
• M8: 4,457,418 km (0.094 R)
• M9: 4,863,128 km (0.077 R)
• M10: 6,231,499 km (0.097 R)
• M11: 6,916,358 km (0.062 R)
• M12: 7,842,369 km (0.114 R)
• M13: 10,215,141 km (0.104 R)
• M14: 11,565,561 km (0.047 R)
• M15: 14,855,368 km (0.082 R)
• M16: 16,521,589 km (0.027 R)
• M17: 19,003,118 km (0.11 R)
• M18: 23,377,809 km (0.101 R)
• M19: 24,029,607 km (0.066 R)
• M20: 28,015,792 km (0.117 R)
• M21: 28,658,614 km (0.113 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 368.2

Radius: 6.4

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 6.86 AU - 9.7 AU

Year: 16446 Days

Day: 15.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 80,940,495 km

• M1: 79,736 km (0.084 R)
• M2: 434,133 km (0.067 R)
• M3: 664,813 km (0.07 R)
• M4: 926,759 km (0.09 R)
• M5: 1,219,522 km (0.117 R)
• M6: 1,992,943 km (0.111 R)
• M7: 2,525,960 km (0.101 R)
• M8: 2,984,926 km (0.089 R)
• M9: 3,271,257 km (0.084 R)
• M10: 4,039,591 km (0.101 R)
• M11: 6,776,185 km (0.104 R)
• M12: 7,271,952 km (0.09 R)
• M13: 9,399,085 km (0.053 R)
• M14: 10,549,642 km (0.051 R)
• M15: 12,508,177 km (0.065 R)
• M16: 12,753,368 km (0.034 R)
• M17: 16,754,962 km (0.116 R)
• M18: 17,660,328 km (0.115 R)
• M19: 18,518,272 km (0.072 R)
• M20: 19,650,279 km (0.086 R)
• M21: 22,140,335 km (0.075 R)
• M22: 24,833,097 km (0.083 R)
• M23: 26,208,051 km (0.063 R)
• M24: 26,711,149 km (0.061 R)
• M25: 37,282,033 km (0.101 R)
• M26: 41,888,900 km (0.074 R)
• M27: 46,714,029 km (0.092 R)
• M28: 47,602,342 km (0.098 R)
• M29: 47,900,939 km (0.073 R)
• M30: 51,896,848 km (0.037 R)
• M31: 52,530,694 km (0.072 R)
• M32: 53,813,795 km (0.106 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 972.1

Radius: 5.4

Gravity: 33.34 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 8.07 AU - 9.79 AU

Year: 18420 Days

Day: 18.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 80,940,495 km

• M1: 67,469 km (0.049 R)
• M2: 579,243 km (0.071 R)
• M3: 837,748 km (0.084 R)
• M4: 1,842,447 km (0.109 R)
• M5: 3,273,949 km (0.084 R)
• M6: 5,399,885 km (0.075 R)
• M7: 6,319,313 km (0.113 R)
• M8: 7,785,971 km (0.046 R)
• M9: 8,198,562 km (0.097 R)
• M10: 9,640,236 km (0.114 R)
• M11: 10,359,353 km (0.119 R)
• M12: 10,795,132 km (0.087 R)
• M13: 13,086,822 km (0.091 R)
• M14: 14,499,325 km (0.058 R)
• M15: 15,522,275 km (0.1 R)
• M16: 16,175,270 km (0.119 R)
• M17: 16,846,366 km (0.109 R)
• M18: 18,423,875 km (0.114 R)
• M19: 24,173,670 km (0.079 R)
• M20: 28,164,941 km (0.091 R)
• M21: 28,647,244 km (0.102 R)
• M22: 30,758,818 km (0.075 R)
• M23: 32,048,202 km (0.116 R)
• M24: 46,812,764 km (0.106 R)
• M25: 50,970,687 km (0.115 R)
• M26: 51,866,779 km (0.119 R)
• M27: 55,745,702 km (0.077 R)
• M28: 60,011,934 km (0.063 R)
• M29: 63,453,882 km (0.111 R)
• M30: 64,699,434 km (0.048 R)
• M31: 70,728,078 km (0.112 R)
• M32: 72,516,820 km (0.091 R)
• M33: 76,184,511 km (0.099 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 270 - 11,561 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit