🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.3

Radius: 11.2

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.62 AU - 0.62 AU

Year: 331 Days

Day: 14.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 60,976,352 km

• M1: 139,575 km (0.118 R)
• M2: 537,056 km (0.094 R)
• M3: 916,287 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.2

Radius: 9.1

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.96 AU - 3.82 AU

Year: 4233 Days

Day: 10 Hours

Environment

Temp: -210 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,976,352 km

• M1: 120,277 km (0.118 R)
• M2: 915,689 km (0.081 R)
• M3: 2,913,867 km (0.099 R)
• M4: 4,142,365 km (0.113 R)
• M5: 4,620,181 km (0.053 R)
• M6: 5,245,350 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.9

Radius: 9.4

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.88 AU - 5.06 AU

Year: 6410 Days

Day: 12.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,976,352 km

• M1: 116,836 km (0.096 R)
• M2: 625,469 km (0.073 R)
• M3: 2,455,200 km (0.053 R)
• M4: 3,622,512 km (0.06 R)
• M5: 4,115,138 km (0.072 R)
• M6: 4,990,585 km (0.063 R)
• M7: 5,290,080 km (0.102 R)
• M8: 5,955,192 km (0.047 R)
• M9: 6,261,419 km (0.091 R)
• M10: 6,740,431 km (0.091 R)
• M11: 7,807,812 km (0.101 R)
• M12: 8,477,412 km (0.055 R)
• M13: 8,984,250 km (0.042 R)
• M14: 9,930,755 km (0.093 R)
• M15: 11,170,772 km (0.083 R)
• M16: 12,412,135 km (0.111 R)
• M17: 12,862,425 km (0.06 R)
• M18: 14,279,416 km (0.087 R)
• M19: 14,829,637 km (0.088 R)
• M20: 17,607,520 km (0.095 R)
• M21: 20,924,553 km (0.104 R)
• M22: 21,277,604 km (0.106 R)
• M23: 22,287,390 km (0.113 R)
• M24: 22,804,101 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.7

Radius: 11.1

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.45 AU - 4.53 AU

Year: 6453 Days

Day: 10 Hours

Environment

Temp: -231 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,976,352 km

• M1: 138,677 km (0.043 R)
• M2: 737,667 km (0.068 R)
• M3: 1,698,235 km (0.095 R)
• M4: 2,966,825 km (0.098 R)
• M5: 3,434,169 km (0.094 R)
• M6: 4,662,218 km (0.053 R)
• M7: 5,217,675 km (0.09 R)
• M8: 6,221,626 km (0.069 R)
• M9: 6,959,592 km (0.037 R)
• M10: 9,021,799 km (0.044 R)
• M11: 9,765,001 km (0.104 R)
• M12: 10,380,297 km (0.09 R)
• M13: 11,196,353 km (0.113 R)
• M14: 11,552,546 km (0.059 R)
• M15: 13,102,829 km (0.108 R)
• M16: 13,699,575 km (0.086 R)
• M17: 15,379,858 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.8

Radius: 8.3

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.6 AU - 5.48 AU

Year: 6561 Days

Day: 13.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,976,352 km

• M1: 143,165 km (0.112 R)
• M2: 438,771 km (0.059 R)
• M3: 1,226,703 km (0.094 R)
• M4: 1,702,723 km (0.057 R)
• M5: 2,297,375 km (0.101 R)
• M6: 2,674,960 km (0.114 R)
• M7: 3,146,642 km (0.1 R)
• M8: 3,421,453 km (0.114 R)
• M9: 4,168,993 km (0.105 R)
• M10: 4,547,177 km (0.031 R)
• M11: 5,766,699 km (0.039 R)
• M12: 6,236,885 km (0.084 R)
• M13: 7,254,001 km (0.028 R)
• M14: 7,802,127 km (0.11 R)
• M15: 8,482,050 km (0.084 R)
• M16: 9,499,614 km (0.105 R)
• M17: 12,396,428 km (0.054 R)
• M18: 14,192,799 km (0.117 R)
• M19: 14,998,683 km (0.077 R)
• M20: 16,701,555 km (0.104 R)
• M21: 17,771,479 km (0.097 R)
• M22: 18,176,889 km (0.109 R)
• M23: 18,886,432 km (0.097 R)
• M24: 22,376,251 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.7

Radius: 13.1

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 5 AU - 5.4 AU

Year: 8043 Days

Day: 10.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,976,352 km

• M1: 162,912 km (0.111 R)
• M2: 653,743 km (0.118 R)
• M3: 1,091,017 km (0.087 R)
• M4: 1,620,743 km (0.085 R)
• M5: 2,733,303 km (0.116 R)
• M6: 3,239,093 km (0.075 R)
• M7: 6,590,684 km (0.062 R)
• M8: 7,955,465 km (0.051 R)
• M9: 8,905,262 km (0.107 R)
• M10: 9,832,918 km (0.079 R)
• M11: 10,671,115 km (0.061 R)
• M12: 11,935,068 km (0.115 R)
• M13: 12,889,053 km (0.105 R)
• M14: 17,431,144 km (0.034 R)
• M15: 18,585,142 km (0.074 R)
• M16: 21,045,279 km (0.083 R)
• M17: 22,520,613 km (0.077 R)
• M18: 25,131,395 km (0.034 R)
• M19: 28,621,663 km (0.073 R)
• M20: 29,116,832 km (0.113 R)
• M21: 29,617,835 km (0.081 R)
• M22: 30,431,199 km (0.106 R)
• M23: 31,155,103 km (0.118 R)
• M24: 33,178,115 km (0.086 R)
• M25: 34,055,506 km (0.082 R)
• M26: 35,856,665 km (0.1 R)
• M27: 40,636,466 km (0.111 R)
• M28: 43,308,434 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 87.5

Radius: 4.5

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 6.2 AU - 8.02 AU

Year: 12859 Days

Day: 22.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,976,352 km

• M1: 55,950 km (0.061 R)
• M2: 574,157 km (0.027 R)
• M3: 1,266,944 km (0.116 R)
• M4: 1,430,006 km (0.11 R)
• M5: 1,990,848 km (0.086 R)
• M6: 2,920,450 km (0.1 R)
• M7: 5,557,262 km (0.107 R)
• M8: 5,907,171 km (0.037 R)
• M9: 7,736,304 km (0.095 R)
• M10: 15,879,365 km (0.089 R)
• M11: 21,454,130 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 419.1

Radius: 6.7

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 7.06 AU - 10.96 AU

Year: 18343 Days

Day: 21.9 Hours

Environment

Temp: -242 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 60,976,352 km

• M1: 90,058 km (0.094 R)
• M2: 475,123 km (0.095 R)
• M3: 731,683 km (0.099 R)
• M4: 1,000,959 km (0.118 R)
• M5: 1,694,794 km (0.094 R)
• M6: 1,950,607 km (0.063 R)
• M7: 2,413,911 km (0.069 R)
• M8: 2,694,108 km (0.107 R)
• M9: 3,372,235 km (0.067 R)
• M10: 3,807,715 km (0.104 R)
• M11: 4,188,740 km (0.095 R)
• M12: 6,902,147 km (0.069 R)
• M13: 8,449,288 km (0.116 R)
• M14: 8,844,525 km (0.079 R)
• M15: 10,777,180 km (0.067 R)
• M16: 11,301,072 km (0.102 R)
• M17: 11,902,904 km (0.086 R)
• M18: 12,781,193 km (0.107 R)
• M19: 13,837,055 km (0.112 R)
• M20: 14,386,229 km (0.116 R)
• M21: 15,896,868 km (0.063 R)
• M22: 17,431,144 km (0.105 R)
• M23: 17,990,790 km (0.11 R)
• M24: 20,261,685 km (0.089 R)
• M25: 21,877,641 km (0.098 R)
• M26: 22,341,245 km (0.081 R)
• M27: 22,906,426 km (0.053 R)
• M28: 23,288,349 km (0.093 R)
• M29: 26,185,761 km (0.045 R)
• M30: 28,209,222 km (0.047 R)
• M31: 33,047,366 km (0.097 R)
• M32: 36,953,816 km (0.107 R)
• M33: 38,949,900 km (0.113 R)
• M34: 40,320,067 km (0.099 R)
• M35: 41,438,909 km (0.055 R)
• M36: 45,368,097 km (0.108 R)
• M37: 49,538,587 km (0.113 R)
• M38: 53,286,911 km (0.027 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 16,062 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit