🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.6

Radius: 15

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.73 AU - 0.89 AU

Year: 471 Days

Day: 9.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,861,852 km

• M1: 186,698 km (0.096 R)
• M2: 743,053 km (0.075 R)
• M3: 1,318,256 km (0.049 R)
• M4: 1,835,865 km (0.074 R)
• M5: 2,348,387 km (0.096 R)
• M6: 2,865,547 km (0.107 R)
• M7: 3,611,442 km (0.1 R)
• M8: 4,082,975 km (0.038 R)
• M9: 4,781,148 km (0.09 R)
• M10: 5,259,263 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.2

Radius: 11.2

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.48 AU - 1.8 AU

Year: 1356 Days

Day: 11.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,861,852 km

• M1: 139,425 km (0.065 R)
• M2: 645,216 km (0.11 R)
• M3: 1,079,349 km (0.116 R)
• M4: 1,876,705 km (0.11 R)
• M5: 2,584,453 km (0.088 R)
• M6: 3,396,470 km (0.101 R)
• M7: 3,934,424 km (0.11 R)
• M8: 4,856,096 km (0.12 R)
• M9: 5,820,704 km (0.038 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 430.3

Radius: 3

Gravity: 47.81 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 7.5 AU - 9.36 AU

Year: 15804 Days

Day: 16.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 81,861,852 km

• M1: 38,596 km (0.103 R)
• M2: 193,280 km (0.096 R)
• M3: 629,957 km (0.106 R)
• M4: 960,269 km (0.052 R)
• M5: 1,272,330 km (0.05 R)
• M6: 1,466,209 km (0.12 R)
• M7: 1,600,996 km (0.083 R)
• M8: 2,485,569 km (0.05 R)
• M9: 3,707,484 km (0.107 R)
• M10: 4,279,995 km (0.066 R)
• M11: 4,493,621 km (0.089 R)
• M12: 5,245,799 km (0.054 R)
• M13: 6,994,748 km (0.076 R)
• M14: 7,773,554 km (0.069 R)
• M15: 9,097,047 km (0.104 R)
• M16: 9,811,975 km (0.09 R)
• M17: 9,969,950 km (0.082 R)
• M18: 12,059,832 km (0.08 R)
• M19: 12,921,217 km (0.118 R)
• M20: 15,464,381 km (0.1 R)
• M21: 16,852,799 km (0.096 R)
• M22: 23,612,827 km (0.106 R)
• M23: 27,793,489 km (0.08 R)
• M24: 29,289,618 km (0.094 R)
• M25: 36,815,886 km (0.032 R)
• M26: 40,208,766 km (0.101 R)
• M27: 41,980,753 km (0.087 R)
• M28: 51,625,926 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.7

Radius: 7.1

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 7.51 AU - 10.49 AU

Year: 17433 Days

Day: 17.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,861,852 km

• M1: 88,263 km (0.054 R)
• M2: 414,386 km (0.111 R)
• M3: 835,803 km (0.068 R)
• M4: 2,002,068 km (0.063 R)
• M5: 3,271,107 km (0.083 R)
• M6: 3,924,551 km (0.078 R)
• M7: 5,272,727 km (0.05 R)
• M8: 6,477,289 km (0.1 R)
• M9: 6,724,424 km (0.081 R)
• M10: 7,237,545 km (0.074 R)
• M11: 8,383,016 km (0.062 R)
• M12: 9,284,792 km (0.115 R)
• M13: 9,644,874 km (0.094 R)
• M14: 10,683,083 km (0.09 R)
• M15: 13,430,149 km (0.112 R)
• M16: 13,659,183 km (0.114 R)
• M17: 14,601,500 km (0.113 R)
• M18: 15,212,159 km (0.118 R)
• M19: 23,093,722 km (0.073 R)
• M20: 23,838,570 km (0.112 R)
• M21: 28,176,460 km (0.103 R)
• M22: 32,701,945 km (0.119 R)
• M23: 37,462,299 km (0.032 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 764.5

Radius: 4.1

Gravity: 45.48 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 8.56 AU - 11.9 AU

Year: 21127 Days

Day: 18.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 81,861,852 km

• M1: 51,013 km (0.101 R)
• M2: 361,578 km (0.095 R)
• M3: 715,377 km (0.101 R)
• M4: 2,046,200 km (0.087 R)
• M5: 2,237,835 km (0.065 R)
• M6: 2,372,173 km (0.076 R)
• M7: 3,899,867 km (0.12 R)
• M8: 4,094,943 km (0.046 R)
• M9: 4,399,823 km (0.069 R)
• M10: 4,903,968 km (0.096 R)
• M11: 5,648,367 km (0.085 R)
• M12: 5,940,681 km (0.064 R)
• M13: 6,112,120 km (0.076 R)
• M14: 7,308,903 km (0.095 R)
• M15: 8,599,185 km (0.094 R)
• M16: 9,617,198 km (0.118 R)
• M17: 10,094,416 km (0.068 R)
• M18: 11,754,503 km (0.046 R)
• M19: 12,161,858 km (0.057 R)
• M20: 12,508,626 km (0.046 R)
• M21: 15,361,757 km (0.091 R)
• M22: 15,766,868 km (0.113 R)
• M23: 17,024,686 km (0.109 R)
• M24: 18,077,855 km (0.106 R)
• M25: 24,988,679 km (0.11 R)
• M26: 25,211,729 km (0.066 R)
• M27: 27,872,327 km (0.095 R)
• M28: 30,459,622 km (0.047 R)
• M29: 32,535,293 km (0.089 R)
• M30: 36,248,312 km (0.108 R)
• M31: 41,157,665 km (0.099 R)
• M32: 42,728,443 km (0.088 R)
• M33: 44,013,489 km (0.1 R)
• M34: 44,829,695 km (0.107 R)
• M35: 44,994,103 km (0.051 R)
• M36: 45,489,721 km (0.101 R)
• M37: 52,269,047 km (0.111 R)
• M38: 77,760,076 km (0.104 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 17,291 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit