🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.9

Radius: 11.4

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.5 AU - 0.58 AU

Year: 274 Days

Day: 5.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 77,983,427 km

• M1: 141,968 km (0.102 R)
• M2: 533,915 km (0.117 R)
• M3: 896,839 km (0.096 R)
• M4: 1,448,407 km (0.118 R)
• M5: 1,899,743 km (0.12 R)
• M6: 2,265,510 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.4

Radius: 11.2

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.87 AU - 1.21 AU

Year: 732 Days

Day: 7.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 77,983,427 km

• M1: 139,724 km (0.082 R)
• M2: 668,403 km (0.115 R)
• M3: 1,132,157 km (0.115 R)
• M4: 1,545,047 km (0.106 R)
• M5: 2,065,348 km (0.051 R)
• M6: 2,614,522 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.9

Radius: 12.3

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.09 AU - 2.51 AU

Year: 2408 Days

Day: 8.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,983,427 km

• M1: 155,283 km (0.114 R)
• M2: 933,341 km (0.117 R)
• M3: 1,460,225 km (0.057 R)
• M4: 2,663,141 km (0.076 R)
• M5: 4,544,335 km (0.08 R)
• M6: 7,592,840 km (0.091 R)
• M7: 8,260,645 km (0.073 R)
• M8: 10,537,674 km (0.116 R)
• M9: 12,162,307 km (0.043 R)
• M10: 13,507,940 km (0.032 R)
• M11: 15,044,011 km (0.095 R)
• M12: 16,049,159 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.7

Radius: 13

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3 AU - 4.46 AU

Year: 4972 Days

Day: 10.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,983,427 km

• M1: 162,014 km (0.055 R)
• M2: 830,717 km (0.037 R)
• M3: 1,455,886 km (0.057 R)
• M4: 2,155,705 km (0.083 R)
• M5: 4,301,836 km (0.107 R)
• M6: 5,242,209 km (0.119 R)
• M7: 5,882,787 km (0.079 R)
• M8: 6,891,525 km (0.081 R)
• M9: 8,689,243 km (0.116 R)
• M10: 10,253,737 km (0.062 R)
• M11: 11,120,208 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306

Radius: 14.4

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.72 AU - 5.04 AU

Year: 7441 Days

Day: 5.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,983,427 km

• M1: 179,069 km (0.063 R)
• M2: 692,788 km (0.1 R)
• M3: 1,149,959 km (0.032 R)
• M4: 1,681,779 km (0.074 R)
• M5: 3,015,145 km (0.026 R)
• M6: 3,633,732 km (0.082 R)
• M7: 4,888,709 km (0.035 R)
• M8: 7,034,989 km (0.051 R)
• M9: 7,801,230 km (0.035 R)
• M10: 8,279,793 km (0.044 R)
• M11: 9,377,692 km (0.111 R)
• M12: 10,438,042 km (0.11 R)
• M13: 14,318,311 km (0.12 R)
• M14: 14,925,679 km (0.072 R)
• M15: 15,840,021 km (0.114 R)
• M16: 16,310,955 km (0.103 R)
• M17: 16,852,051 km (0.071 R)
• M18: 18,033,575 km (0.076 R)
• M19: 18,482,667 km (0.097 R)
• M20: 20,840,928 km (0.085 R)
• M21: 22,128,966 km (0.102 R)
• M22: 24,548,861 km (0.083 R)
• M23: 25,260,199 km (0.074 R)
• M24: 27,392,567 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.2

Radius: 13.2

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.86 AU - 6.43 AU

Year: 8044 Days

Day: 6.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 77,983,427 km

• M1: 164,408 km (0.102 R)
• M2: 579,243 km (0.096 R)
• M3: 1,014,573 km (0.076 R)
• M4: 3,279,485 km (0.092 R)
• M5: 4,062,330 km (0.101 R)
• M6: 4,473,724 km (0.1 R)
• M7: 5,352,612 km (0.111 R)
• M8: 7,138,810 km (0.084 R)
• M9: 7,705,038 km (0.091 R)
• M10: 8,493,569 km (0.069 R)
• M11: 9,008,185 km (0.084 R)
• M12: 9,459,971 km (0.081 R)
• M13: 10,543,209 km (0.083 R)
• M14: 11,231,808 km (0.099 R)
• M15: 11,852,789 km (0.069 R)
• M16: 12,345,863 km (0.027 R)
• M17: 14,071,176 km (0.092 R)
• M18: 19,046,950 km (0.1 R)
• M19: 19,793,145 km (0.068 R)
• M20: 20,488,326 km (0.06 R)
• M21: 21,056,199 km (0.069 R)
• M22: 22,223,362 km (0.057 R)
• M23: 23,279,523 km (0.043 R)
• M24: 27,326,445 km (0.09 R)
• M25: 27,755,342 km (0.086 R)
• M26: 29,068,961 km (0.085 R)
• M27: 29,605,867 km (0.12 R)
• M28: 30,607,425 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 602.7

Radius: 7.8

Gravity: 9.91 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 8.18 AU - 12 AU

Year: 22123 Days

Day: 23.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 77,983,427 km

• M1: 97,837 km (0.098 R)
• M2: 466,297 km (0.102 R)
• M3: 818,300 km (0.05 R)
• M4: 1,082,191 km (0.051 R)
• M5: 1,450,202 km (0.082 R)
• M6: 1,770,341 km (0.045 R)
• M7: 2,137,454 km (0.071 R)
• M8: 2,721,634 km (0.071 R)
• M9: 3,581,523 km (0.119 R)
• M10: 5,386,870 km (0.074 R)
• M11: 6,463,974 km (0.104 R)
• M12: 8,287,124 km (0.111 R)
• M13: 8,873,099 km (0.099 R)
• M14: 9,148,508 km (0.085 R)
• M15: 9,658,637 km (0.069 R)
• M16: 13,848,574 km (0.118 R)
• M17: 14,981,329 km (0.091 R)
• M18: 17,950,249 km (0.106 R)
• M19: 18,659,492 km (0.102 R)
• M20: 19,758,288 km (0.097 R)
• M21: 20,610,248 km (0.077 R)
• M22: 21,585,477 km (0.116 R)
• M23: 22,387,471 km (0.074 R)
• M24: 23,001,869 km (0.091 R)
• M25: 23,627,338 km (0.078 R)
• M26: 25,683,411 km (0.115 R)
• M27: 30,520,808 km (0.055 R)
• M28: 39,084,239 km (0.058 R)
• M29: 42,105,218 km (0.096 R)
• M30: 44,631,478 km (0.071 R)
• M31: 47,089,819 km (0.088 R)
• M32: 50,157,324 km (0.085 R)
• M33: 52,274,882 km (0.088 R)
• M34: 54,267,525 km (0.098 R)
• M35: 57,636,619 km (0.082 R)
• M36: 58,019,440 km (0.085 R)
• M37: 61,740,388 km (0.093 R)
• M38: 66,454,067 km (0.094 R)
• M39: 71,181,808 km (0.093 R)
• M40: 74,304,365 km (0.113 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 297 - 19,404 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit