🌌 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: 173.3

Radius: 10.6

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.55 AU - 0.87 AU

Year: 392 Days

Day: 12.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,866,570 km

• M1: 132,095 km (0.081 R)
• M2: 521,049 km (0.077 R)
• M3: 978,370 km (0.099 R)
• M4: 1,486,105 km (0.11 R)
• M5: 1,902,586 km (0.097 R)
• M6: 2,358,111 km (0.076 R)
• M7: 2,789,851 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.3

Radius: 10.1

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.09 AU - 3.05 AU

Year: 2703 Days

Day: 11.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,866,570 km

• M1: 127,308 km (0.057 R)
• M2: 840,740 km (0.026 R)
• M3: 1,213,388 km (0.074 R)
• M4: 1,874,461 km (0.115 R)
• M5: 2,689,919 km (0.102 R)
• M6: 3,691,327 km (0.088 R)
• M7: 4,592,954 km (0.109 R)
• M8: 5,991,395 km (0.055 R)
• M9: 7,683,347 km (0.111 R)
• M10: 8,062,727 km (0.056 R)
• M11: 8,701,809 km (0.083 R)
• M12: 9,374,401 km (0.043 R)
• M13: 10,046,694 km (0.088 R)
• M14: 10,679,044 km (0.096 R)
• M15: 11,639,014 km (0.087 R)
• M16: 12,455,519 km (0.025 R)
• M17: 12,979,859 km (0.119 R)
• M18: 14,954,252 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.9

Radius: 9.5

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.73 AU - 3.43 AU

Year: 3546 Days

Day: 14.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,866,570 km

• M1: 119,230 km (0.114 R)
• M2: 447,896 km (0.057 R)
• M3: 1,199,925 km (0.071 R)
• M4: 1,648,569 km (0.094 R)
• M5: 2,139,100 km (0.098 R)
• M6: 2,677,054 km (0.098 R)
• M7: 3,376,274 km (0.113 R)
• M8: 3,759,095 km (0.07 R)
• M9: 5,359,045 km (0.043 R)
• M10: 6,908,579 km (0.091 R)
• M11: 7,884,705 km (0.096 R)
• M12: 8,286,376 km (0.108 R)
• M13: 8,878,783 km (0.12 R)
• M14: 9,649,212 km (0.083 R)
• M15: 10,826,248 km (0.059 R)
• M16: 11,791,454 km (0.071 R)
• M17: 12,996,614 km (0.088 R)
• M18: 14,578,761 km (0.092 R)
• M19: 15,338,718 km (0.101 R)
• M20: 16,992,972 km (0.11 R)
• M21: 17,891,756 km (0.078 R)
• M22: 18,294,772 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.6

Radius: 9.7

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.8 AU - 3.92 AU

Year: 4975 Days

Day: 7.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,866,570 km

• M1: 120,725 km (0.071 R)
• M2: 477,068 km (0.042 R)
• M3: 960,418 km (0.04 R)
• M4: 1,494,782 km (0.064 R)
• M5: 2,889,333 km (0.062 R)
• M6: 3,228,621 km (0.114 R)
• M7: 4,195,771 km (0.104 R)
• M8: 4,909,503 km (0.08 R)
• M9: 6,239,278 km (0.101 R)
• M10: 7,603,162 km (0.114 R)
• M11: 9,446,507 km (0.094 R)
• M12: 9,817,959 km (0.116 R)
• M13: 11,402,649 km (0.115 R)
• M14: 14,428,116 km (0.113 R)
• M15: 15,374,921 km (0.12 R)
• M16: 15,682,345 km (0.094 R)
• M17: 16,575,893 km (0.107 R)
• M18: 16,899,323 km (0.118 R)
• M19: 17,558,601 km (0.036 R)
• M20: 17,951,146 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 721.2

Radius: 5.8

Gravity: 21.44 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 6.62 AU - 8.98 AU

Year: 14291 Days

Day: 20.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 61,866,570 km

• M1: 74,799 km (0.109 R)
• M2: 426,504 km (0.119 R)
• M3: 620,233 km (0.108 R)
• M4: 947,852 km (0.106 R)
• M5: 1,329,476 km (0.055 R)
• M6: 1,723,966 km (0.087 R)
• M7: 1,948,961 km (0.05 R)
• M8: 3,765,977 km (0.093 R)
• M9: 4,086,565 km (0.095 R)
• M10: 4,683,161 km (0.09 R)
• M11: 5,665,720 km (0.077 R)
• M12: 5,854,662 km (0.063 R)
• M13: 6,047,793 km (0.08 R)
• M14: 7,386,844 km (0.053 R)
• M15: 7,612,587 km (0.101 R)
• M16: 9,481,812 km (0.115 R)
• M17: 10,353,220 km (0.101 R)
• M18: 10,636,109 km (0.12 R)
• M19: 11,881,212 km (0.096 R)
• M20: 13,756,272 km (0.087 R)
• M21: 14,446,068 km (0.118 R)
• M22: 14,657,450 km (0.096 R)
• M23: 14,870,926 km (0.067 R)
• M24: 18,244,657 km (0.094 R)
• M25: 19,934,066 km (0.112 R)
• M26: 20,727,234 km (0.112 R)
• M27: 23,523,368 km (0.088 R)
• M28: 25,418,473 km (0.108 R)
• M29: 28,614,333 km (0.105 R)
• M30: 31,121,294 km (0.049 R)
• M31: 31,474,195 km (0.111 R)
• M32: 31,948,720 km (0.114 R)
• M33: 37,091,745 km (0.093 R)
• M34: 42,039,844 km (0.118 R)
• M35: 46,485,294 km (0.112 R)
• M36: 49,456,906 km (0.115 R)
• M37: 50,421,065 km (0.12 R)
• M38: 52,386,781 km (0.08 R)
• M39: 57,700,048 km (0.11 R)
• M40: 61,496,543 km (0.032 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: 303 - 17,861 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit