🌌 Stone's Star System Generator

Asteroid Belt

Center: 1 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.99 AU - 2.01 AU

Year: 1049 Days

Day: 20.6 Hours

Environment

Temp: -75 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.4

Radius: 10.1

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 4.51 AU - 6.75 AU

Year: 4954 Days

Day: 6.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 125.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,021,430 km

• M1: 125,812 km (0.056 R)
• M2: 457,021 km (0.073 R)
• M3: 813,513 km (0.11 R)
• M4: 1,362,388 km (0.067 R)
• M5: 2,281,368 km (0.04 R)
• M6: 2,884,546 km (0.075 R)
• M7: 3,962,698 km (0.116 R)
• M8: 4,506,636 km (0.118 R)
• M9: 5,153,796 km (0.084 R)
• M10: 6,860,708 km (0.117 R)
• M11: 8,720,957 km (0.071 R)
• M12: 9,935,543 km (0.054 R)
• M13: 11,491,211 km (0.044 R)
• M14: 12,797,649 km (0.085 R)
• M15: 14,039,910 km (0.097 R)
• M16: 15,474,404 km (0.094 R)
• M17: 16,404,454 km (0.106 R)
• M18: 17,743,355 km (0.072 R)
• M19: 18,632,564 km (0.036 R)
• M20: 20,707,038 km (0.097 R)
• M21: 22,708,957 km (0.087 R)
• M22: 24,524,776 km (0.102 R)
• M23: 27,093,970 km (0.079 R)
• M24: 27,427,274 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.8

Radius: 8.5

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 5.09 AU - 6.71 AU

Year: 5315 Days

Day: 7.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,021,430 km

• M1: 110,254 km (0.068 R)
• M2: 485,146 km (0.059 R)
• M3: 1,194,240 km (0.11 R)
• M4: 2,213,001 km (0.069 R)
• M5: 4,978,468 km (0.045 R)
• M6: 6,491,052 km (0.067 R)
• M7: 8,699,116 km (0.103 R)
• M8: 15,130,927 km (0.092 R)
• M9: 17,505,344 km (0.12 R)
• M10: 18,120,042 km (0.091 R)
• M11: 20,656,025 km (0.115 R)
• M12: 22,328,978 km (0.119 R)
• M13: 26,580,400 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.9

Radius: 10.2

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 6.71 AU - 8.67 AU

Year: 7908 Days

Day: 5.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,021,430 km

• M1: 129,552 km (0.049 R)
• M2: 478,564 km (0.088 R)
• M3: 911,051 km (0.045 R)
• M4: 1,484,011 km (0.06 R)
• M5: 1,884,185 km (0.089 R)
• M6: 2,298,571 km (0.099 R)
• M7: 2,708,619 km (0.115 R)
• M8: 3,941,754 km (0.065 R)
• M9: 5,755,628 km (0.099 R)
• M10: 6,227,460 km (0.111 R)
• M11: 8,448,540 km (0.09 R)
• M12: 10,942,037 km (0.081 R)
• M13: 12,516,106 km (0.028 R)
• M14: 12,978,962 km (0.083 R)
• M15: 14,791,340 km (0.094 R)
• M16: 17,443,561 km (0.046 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 276.5

Radius: 4.8

Gravity: 12 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 10.44 AU - 14.26 AU

Year: 16096 Days

Day: 16.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 155 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 67,021,430 km

• M1: 61,485 km (0.079 R)
• M2: 226,940 km (0.069 R)
• M3: 658,679 km (0.118 R)
• M4: 1,244,804 km (0.061 R)
• M5: 1,549,684 km (0.109 R)
• M6: 2,684,235 km (0.075 R)
• M7: 2,876,169 km (0.095 R)
• M8: 3,077,228 km (0.087 R)
• M9: 3,950,132 km (0.103 R)
• M10: 4,227,337 km (0.093 R)
• M11: 6,061,257 km (0.037 R)
• M12: 7,011,203 km (0.051 R)
• M13: 7,796,592 km (0.071 R)
• M14: 8,100,276 km (0.066 R)
• M15: 8,411,739 km (0.04 R)
• M16: 9,589,822 km (0.112 R)
• M17: 10,555,775 km (0.062 R)
• M18: 13,840,346 km (0.08 R)
• M19: 15,271,549 km (0.06 R)
• M20: 15,884,452 km (0.067 R)
• M21: 19,118,907 km (0.108 R)
• M22: 21,139,077 km (0.069 R)
• M23: 21,729,390 km (0.099 R)
• M24: 22,942,629 km (0.082 R)
• M25: 23,386,635 km (0.097 R)
• M26: 25,883,872 km (0.086 R)
• M27: 26,171,848 km (0.045 R)
• M28: 27,345,294 km (0.107 R)
• M29: 28,146,839 km (0.081 R)
• M30: 28,553,297 km (0.026 R)
• M31: 34,547,534 km (0.107 R)
• M32: 37,529,319 km (0.096 R)
• M33: 39,271,835 km (0.059 R)
• M34: 41,328,506 km (0.072 R)
• M35: 42,516,313 km (0.068 R)
• M36: 45,237,050 km (0.058 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 434.8

Radius: 5.6

Gravity: 13.86 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 13.46 AU - 15.8 AU

Year: 20753 Days

Day: 22.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,021,430 km

• M1: 70,012 km (0.116 R)
• M2: 507,436 km (0.067 R)
• M3: 1,090,868 km (0.087 R)
• M4: 1,523,654 km (0.08 R)
• M5: 1,805,945 km (0.116 R)
• M6: 2,346,891 km (0.099 R)
• M7: 2,771,450 km (0.116 R)
• M8: 5,137,041 km (0.083 R)
• M9: 6,757,934 km (0.087 R)
• M10: 8,795,008 km (0.082 R)
• M11: 9,702,469 km (0.102 R)
• M12: 11,269,656 km (0.062 R)
• M13: 12,998,110 km (0.057 R)
• M14: 16,336,985 km (0.078 R)
• M15: 16,890,647 km (0.063 R)
• M16: 17,538,555 km (0.082 R)
• M17: 18,626,580 km (0.116 R)
• M18: 23,231,502 km (0.102 R)
• M19: 23,931,321 km (0.085 R)
• M20: 25,372,996 km (0.074 R)
• M21: 28,314,987 km (0.051 R)
• M22: 28,998,201 km (0.092 R)
• M23: 31,964,128 km (0.093 R)
• M24: 32,333,037 km (0.055 R)
• M25: 34,606,625 km (0.083 R)
• M26: 37,527,523 km (0.075 R)
• M27: 40,465,027 km (0.105 R)
• M28: 41,331,648 km (0.083 R)
• M29: 41,916,276 km (0.081 R)
• M30: 42,506,290 km (0.098 R)
• M31: 42,952,541 km (0.095 R)
• M32: 48,391,022 km (0.105 R)
• M33: 52,204,122 km (0.05 R)
• M34: 58,383,561 km (0.099 R)
• M35: 59,119,433 km (0.029 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 15,775 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit