🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.7

Radius: 10

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.41 AU - 0.65 AU

Year: 262 Days

Day: 11.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 86,133,311 km

• M1: 124,316 km (0.085 R)
• M2: 761,154 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.2

Radius: 9.1

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.91 AU - 1.21 AU

Year: 740 Days

Day: 9.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,133,311 km

• M1: 116,088 km (0.064 R)
• M2: 470,186 km (0.117 R)
• M3: 898,634 km (0.108 R)
• M4: 1,266,196 km (0.094 R)
• M5: 1,624,034 km (0.043 R)
• M6: 1,951,504 km (0.06 R)
• M7: 3,064,213 km (0.062 R)
• M8: 3,437,759 km (0.057 R)
• M9: 4,099,131 km (0.085 R)
• M10: 4,585,474 km (0.087 R)
• M11: 5,042,196 km (0.111 R)
• M12: 5,386,720 km (0.112 R)
• M13: 5,783,902 km (0.061 R)
• M14: 6,219,831 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.4

Radius: 12.1

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.39 AU - 1.51 AU

Year: 1184 Days

Day: 10.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,133,311 km

• M1: 150,795 km (0.094 R)
• M2: 651,948 km (0.106 R)
• M3: 1,128,566 km (0.035 R)
• M4: 1,665,323 km (0.033 R)
• M5: 2,105,590 km (0.091 R)
• M6: 2,841,163 km (0.074 R)
• M7: 3,337,828 km (0.08 R)
• M8: 3,878,175 km (0.087 R)
• M9: 4,310,064 km (0.11 R)
• M10: 6,688,371 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.1

Radius: 13.3

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.37 AU - 1.77 AU

Year: 1334 Days

Day: 13.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 86,133,311 km

• M1: 165,455 km (0.094 R)
• M2: 582,534 km (0.091 R)
• M3: 1,297,612 km (0.068 R)
• M4: 1,930,710 km (0.082 R)
• M5: 2,446,075 km (0.045 R)
• M6: 2,913,119 km (0.046 R)
• M7: 3,943,998 km (0.038 R)
• M8: 4,516,061 km (0.098 R)
• M9: 5,607,676 km (0.039 R)
• M10: 6,100,003 km (0.086 R)
• M11: 6,793,389 km (0.086 R)
• M12: 7,565,314 km (0.094 R)
• M13: 9,132,052 km (0.094 R)
• M14: 12,074,343 km (0.051 R)
• M15: 12,822,333 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749

Radius: 8.5

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.89 AU - 2.73 AU

Year: 2381 Days

Day: 11.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 86,133,311 km

• M1: 105,766 km (0.049 R)
• M2: 404,064 km (0.106 R)
• M3: 701,016 km (0.104 R)
• M4: 1,149,061 km (0.057 R)
• M5: 1,712,746 km (0.107 R)
• M6: 1,978,133 km (0.056 R)
• M7: 2,352,576 km (0.097 R)
• M8: 2,667,629 km (0.063 R)
• M9: 3,109,541 km (0.094 R)
• M10: 3,454,514 km (0.084 R)
• M11: 4,325,024 km (0.095 R)
• M12: 4,601,930 km (0.077 R)
• M13: 5,239,067 km (0.063 R)
• M14: 6,222,823 km (0.098 R)
• M15: 8,887,460 km (0.073 R)
• M16: 9,301,696 km (0.113 R)
• M17: 11,980,246 km (0.093 R)
• M18: 13,450,494 km (0.051 R)
• M19: 14,369,324 km (0.104 R)
• M20: 15,134,218 km (0.1 R)
• M21: 16,744,938 km (0.096 R)
• M22: 17,537,957 km (0.072 R)
• M23: 18,578,111 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.9

Radius: 13.5

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.24 AU - 2.88 AU

Year: 2778 Days

Day: 12.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,133,311 km

• M1: 167,998 km (0.083 R)
• M2: 589,565 km (0.052 R)
• M3: 1,010,833 km (0.115 R)
• M4: 1,606,980 km (0.116 R)
• M5: 2,205,821 km (0.115 R)
• M6: 2,689,171 km (0.072 R)
• M7: 4,702,759 km (0.054 R)
• M8: 5,724,662 km (0.111 R)
• M9: 6,889,580 km (0.076 R)
• M10: 8,082,773 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.4

Radius: 13.1

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.02 AU - 3.18 AU

Year: 2843 Days

Day: 8.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,133,311 km

• M1: 166,054 km (0.051 R)
• M2: 865,872 km (0.109 R)
• M3: 1,280,558 km (0.072 R)
• M4: 3,012,901 km (0.085 R)
• M5: 4,376,187 km (0.101 R)
• M6: 4,912,196 km (0.092 R)
• M7: 6,459,337 km (0.077 R)
• M8: 8,640,175 km (0.088 R)
• M9: 9,072,812 km (0.088 R)
• M10: 13,562,693 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.8

Radius: 10.5

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.92 AU - 4.36 AU

Year: 4710 Days

Day: 8.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 86,133,311 km

• M1: 136,583 km (0.117 R)
• M2: 578,345 km (0.09 R)
• M3: 973,433 km (0.105 R)
• M4: 2,359,607 km (0.103 R)
• M5: 2,694,856 km (0.112 R)
• M6: 3,142,752 km (0.079 R)
• M7: 4,792,966 km (0.084 R)
• M8: 5,868,724 km (0.102 R)
• M9: 7,069,995 km (0.052 R)
• M10: 8,174,776 km (0.117 R)
• M11: 10,875,316 km (0.118 R)
• M12: 14,121,291 km (0.031 R)
• M13: 15,094,874 km (0.095 R)
• M14: 16,311,553 km (0.049 R)
• M15: 16,867,160 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 841.1

Radius: 7

Gravity: 17.17 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 9.71 AU - 10.47 AU

Year: 21738 Days

Day: 16.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 86,133,311 km

• M1: 124,765 km (0.116 R)
• M2: 366,066 km (0.107 R)
• M3: 597,344 km (0.072 R)
• M4: 883,974 km (0.093 R)
• M5: 1,564,794 km (0.077 R)
• M6: 1,996,234 km (0.1 R)
• M7: 3,620,418 km (0.097 R)
• M8: 7,416,763 km (0.061 R)
• M9: 8,738,610 km (0.116 R)
• M10: 12,897,431 km (0.078 R)
• M11: 14,016,124 km (0.052 R)
• M12: 18,859,504 km (0.116 R)
• M13: 19,331,186 km (0.113 R)
• M14: 20,102,064 km (0.083 R)
• M15: 22,962,226 km (0.045 R)
• M16: 26,904,728 km (0.091 R)
• M17: 27,743,972 km (0.04 R)
• M18: 31,539,121 km (0.071 R)
• M19: 41,235,456 km (0.104 R)
• M20: 44,142,741 km (0.11 R)
• M21: 48,227,960 km (0.063 R)
• M22: 48,932,416 km (0.113 R)
• M23: 50,723,552 km (0.087 R)
• M24: 51,087,074 km (0.081 R)
• M25: 54,436,272 km (0.112 R)
• M26: 59,528,434 km (0.113 R)
• M27: 60,542,707 km (0.027 R)
• M28: 62,397,571 km (0.093 R)
• M29: 68,631,314 km (0.094 R)
• M30: 68,853,467 km (0.079 R)
• M31: 69,522,469 km (0.032 R)
• M32: 71,327,816 km (0.095 R)
• M33: 75,032,009 km (0.031 R)
• M34: 75,267,625 km (0.196 R)
• M35: 76,215,328 km (0.079 R)
• M36: 76,453,488 km (0.092 R)
• M37: 80,085,425 km (0.212 R)
• M38: 86,133,368 km (0.118 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 19,075 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit