🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.8

Radius: 14.1

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.6 AU - 0.86 AU

Year: 431 Days

Day: 11.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 72.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,634,732 km

• M1: 175,329 km (0.071 R)
• M2: 753,076 km (0.081 R)
• M3: 1,814,024 km (0.111 R)
• M4: 2,439,193 km (0.119 R)
• M5: 2,895,018 km (0.097 R)
• M6: 3,419,209 km (0.114 R)
• M7: 4,129,500 km (0.083 R)

Asteroid Belt

Center: 1.19 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16

Radius: 8.5

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.59 AU - 1.69 AU

Year: 1450 Days

Day: 10.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,634,732 km

• M1: 105,915 km (0.067 R)
• M2: 449,691 km (0.067 R)
• M3: 747,690 km (0.104 R)
• M4: 1,133,802 km (0.111 R)
• M5: 1,553,275 km (0.096 R)
• M6: 2,427,225 km (0.084 R)
• M7: 3,014,696 km (0.114 R)
• M8: 3,408,587 km (0.071 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 130.4

Radius: 6.9

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.04 AU - 8.28 AU

Year: 11864 Days

Day: 19.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,634,732 km

• M1: 86,168 km (0.117 R)
• M2: 475,572 km (0.072 R)
• M3: 705,952 km (0.1 R)
• M4: 1,487,900 km (0.1 R)
• M5: 2,385,188 km (0.11 R)
• M6: 2,675,109 km (0.093 R)
• M7: 5,913,604 km (0.082 R)
• M8: 8,201,853 km (0.117 R)
• M9: 9,521,007 km (0.081 R)
• M10: 11,926,391 km (0.061 R)
• M11: 14,822,157 km (0.061 R)
• M12: 25,517,657 km (0.117 R)
• M13: 27,691,613 km (0.088 R)
• M14: 28,036,735 km (0.11 R)
• M15: 28,823,620 km (0.064 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 307.2

Radius: 3.5

Gravity: 25.08 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 7.18 AU - 9.18 AU

Year: 16149 Days

Day: 20.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 54,634,732 km

• M1: 43,533 km (0.07 R)
• M2: 566,228 km (0.083 R)
• M3: 749,785 km (0.032 R)
• M4: 880,234 km (0.072 R)
• M5: 1,047,783 km (0.059 R)
• M6: 1,338,901 km (0.054 R)
• M7: 1,489,247 km (0.117 R)
• M8: 1,666,071 km (0.111 R)
• M9: 2,188,467 km (0.115 R)
• M10: 4,139,822 km (0.114 R)
• M11: 5,149,608 km (0.119 R)
• M12: 5,799,909 km (0.107 R)
• M13: 6,052,879 km (0.029 R)
• M14: 6,935,656 km (0.065 R)
• M15: 8,904,813 km (0.095 R)
• M16: 9,536,266 km (0.118 R)
• M17: 10,353,968 km (0.045 R)
• M18: 12,303,378 km (0.116 R)
• M19: 12,421,560 km (0.081 R)
• M20: 13,836,756 km (0.12 R)
• M21: 15,287,406 km (0.11 R)
• M22: 16,547,469 km (0.073 R)
• M23: 17,055,653 km (0.063 R)
• M24: 18,564,797 km (0.059 R)
• M25: 23,440,191 km (0.117 R)
• M26: 23,713,207 km (0.113 R)
• M27: 24,173,071 km (0.083 R)
• M28: 24,921,360 km (0.045 R)
• M29: 26,463,714 km (0.112 R)
• M30: 29,843,429 km (0.06 R)
• M31: 31,031,086 km (0.065 R)
• M32: 32,025,763 km (0.11 R)
• M33: 33,962,457 km (0.103 R)
• M34: 37,568,064 km (0.109 R)
• M35: 41,953,077 km (0.076 R)
• M36: 46,667,205 km (0.06 R)
• M37: 47,389,015 km (0.075 R)
• M38: 48,264,761 km (0.083 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 359.2

Radius: 4.1

Gravity: 21.37 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 8.16 AU - 8.64 AU

Year: 16805 Days

Day: 23.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 54,634,732 km

• M1: 51,162 km (0.044 R)
• M2: 235,168 km (0.097 R)
• M3: 449,542 km (0.077 R)
• M4: 805,585 km (0.043 R)
• M5: 934,987 km (0.077 R)
• M6: 1,125,425 km (0.069 R)
• M7: 1,466,508 km (0.097 R)
• M8: 1,977,085 km (0.119 R)
• M9: 2,411,368 km (0.062 R)
• M10: 2,555,431 km (0.111 R)
• M11: 2,815,881 km (0.101 R)
• M12: 3,623,560 km (0.05 R)
• M13: 3,812,951 km (0.101 R)
• M14: 4,796,407 km (0.047 R)
• M15: 5,158,733 km (0.117 R)
• M16: 5,503,706 km (0.112 R)
• M17: 5,645,973 km (0.074 R)
• M18: 5,790,634 km (0.081 R)
• M19: 6,012,338 km (0.068 R)
• M20: 6,997,440 km (0.101 R)
• M21: 7,164,541 km (0.099 R)
• M22: 8,315,996 km (0.117 R)
• M23: 8,550,865 km (0.111 R)
• M24: 13,505,397 km (0.048 R)
• M25: 13,699,425 km (0.105 R)
• M26: 14,159,588 km (0.057 R)
• M27: 17,982,262 km (0.087 R)
• M28: 24,873,339 km (0.108 R)
• M29: 30,924,124 km (0.109 R)
• M30: 34,167,256 km (0.102 R)
• M31: 38,272,072 km (0.066 R)
• M32: 43,814,374 km (0.102 R)
• M33: 45,387,396 km (0.103 R)
• M34: 45,968,583 km (0.062 R)
• M35: 48,797,329 km (0.033 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 230 - 15,158 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit