🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.2

Radius: 13.9

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.56 AU - 0.78 AU

Year: 379 Days

Day: 6.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 81,151,302 km

• M1: 173,085 km (0.108 R)
• M2: 722,109 km (0.117 R)
• M3: 1,636,152 km (0.088 R)
• M4: 2,125,337 km (0.069 R)
• M5: 2,888,585 km (0.11 R)
• M6: 3,363,110 km (0.077 R)
• M7: 4,052,307 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.4

Radius: 13.5

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.94 AU - 1.02 AU

Year: 670 Days

Day: 6.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,151,302 km

• M1: 167,998 km (0.118 R)
• M2: 634,893 km (0.111 R)
• M3: 1,057,956 km (0.117 R)
• M4: 1,536,819 km (0.075 R)
• M5: 2,258,030 km (0.119 R)
• M6: 3,171,774 km (0.097 R)
• M7: 4,049,016 km (0.106 R)
• M8: 4,489,881 km (0.045 R)
• M9: 5,876,803 km (0.112 R)
• M10: 6,648,877 km (0.096 R)
• M11: 7,266,118 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.5

Radius: 12.3

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.81 AU - 2.07 AU

Year: 1865 Days

Day: 12.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,151,302 km

• M1: 153,039 km (0.064 R)
• M2: 635,193 km (0.057 R)
• M3: 1,082,490 km (0.036 R)
• M4: 1,524,851 km (0.088 R)
• M5: 2,112,023 km (0.026 R)
• M6: 2,846,698 km (0.066 R)
• M7: 4,139,373 km (0.109 R)
• M8: 5,204,959 km (0.1 R)
• M9: 5,908,368 km (0.08 R)
• M10: 6,345,343 km (0.116 R)
• M11: 7,989,573 km (0.087 R)
• M12: 8,586,020 km (0.087 R)
• M13: 9,834,714 km (0.093 R)
• M14: 10,625,787 km (0.094 R)
• M15: 11,948,831 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.4

Radius: 8.6

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.72 AU - 2.84 AU

Year: 2376 Days

Day: 11.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,151,302 km

• M1: 106,962 km (0.12 R)
• M2: 489,185 km (0.072 R)
• M3: 1,396,795 km (0.082 R)
• M4: 1,754,933 km (0.097 R)
• M5: 2,558,722 km (0.108 R)
• M6: 4,679,721 km (0.092 R)
• M7: 5,656,595 km (0.114 R)
• M8: 6,180,337 km (0.115 R)
• M9: 6,736,243 km (0.108 R)
• M10: 9,063,088 km (0.095 R)
• M11: 9,921,480 km (0.107 R)
• M12: 10,243,415 km (0.1 R)
• M13: 13,033,415 km (0.062 R)
• M14: 15,853,036 km (0.098 R)
• M15: 17,096,942 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240

Radius: 14.5

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.18 AU - 4.92 AU

Year: 6699 Days

Day: 14.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,151,302 km

• M1: 180,415 km (0.069 R)
• M2: 720,463 km (0.077 R)
• M3: 1,253,780 km (0.075 R)
• M4: 2,746,767 km (0.082 R)
• M5: 3,258,690 km (0.103 R)
• M6: 4,203,401 km (0.106 R)
• M7: 4,692,137 km (0.099 R)
• M8: 6,362,697 km (0.043 R)
• M9: 7,268,512 km (0.073 R)
• M10: 9,144,469 km (0.102 R)
• M11: 10,092,770 km (0.062 R)
• M12: 12,185,644 km (0.039 R)
• M13: 13,235,971 km (0.062 R)
• M14: 14,501,868 km (0.072 R)
• M15: 19,476,895 km (0.042 R)
• M16: 21,113,196 km (0.118 R)
• M17: 22,068,678 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 309.9

Radius: 5.8

Gravity: 9.21 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 6.37 AU - 8.65 AU

Year: 14206 Days

Day: 19.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 81,151,302 km

• M1: 72,555 km (0.11 R)
• M2: 472,131 km (0.054 R)
• M3: 860,188 km (0.105 R)
• M4: 1,058,854 km (0.106 R)
• M5: 1,338,303 km (0.08 R)
• M6: 1,913,058 km (0.104 R)
• M7: 2,166,925 km (0.073 R)
• M8: 2,462,231 km (0.086 R)
• M9: 3,841,374 km (0.109 R)
• M10: 4,388,154 km (0.103 R)
• M11: 5,771,785 km (0.116 R)
• M12: 6,340,257 km (0.118 R)
• M13: 6,790,397 km (0.079 R)
• M14: 8,670,393 km (0.085 R)
• M15: 12,881,424 km (0.109 R)
• M16: 14,414,652 km (0.058 R)
• M17: 18,507,201 km (0.1 R)
• M18: 20,133,031 km (0.106 R)
• M19: 20,453,021 km (0.091 R)
• M20: 21,350,907 km (0.104 R)
• M21: 25,205,895 km (0.114 R)
• M22: 29,500,251 km (0.114 R)
• M23: 30,962,720 km (0.109 R)
• M24: 34,371,756 km (0.086 R)
• M25: 35,639,150 km (0.119 R)
• M26: 36,699,050 km (0.095 R)
• M27: 42,054,056 km (0.075 R)
• M28: 44,307,449 km (0.03 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 469.7

Radius: 3

Gravity: 52.19 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 7.57 AU - 10.91 AU

Year: 19387 Days

Day: 24.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 81,151,302 km

• M1: 37,549 km (0.119 R)
• M2: 137,181 km (0.116 R)
• M3: 241,750 km (0.061 R)
• M4: 1,113,607 km (0.102 R)
• M5: 1,259,614 km (0.032 R)
• M6: 1,463,815 km (0.12 R)
• M7: 2,070,734 km (0.093 R)
• M8: 2,419,297 km (0.119 R)
• M9: 2,951,117 km (0.109 R)
• M10: 6,944,034 km (0.034 R)
• M11: 8,396,180 km (0.077 R)
• M12: 8,597,240 km (0.112 R)
• M13: 12,010,016 km (0.058 R)
• M14: 12,918,973 km (0.055 R)
• M15: 14,366,781 km (0.108 R)
• M16: 14,872,572 km (0.105 R)
• M17: 15,092,929 km (0.097 R)
• M18: 16,072,795 km (0.097 R)
• M19: 18,075,013 km (0.074 R)
• M20: 29,212,724 km (0.045 R)
• M21: 30,023,096 km (0.085 R)
• M22: 35,332,474 km (0.116 R)
• M23: 36,384,596 km (0.089 R)
• M24: 36,784,471 km (0.105 R)
• M25: 42,547,280 km (0.027 R)
• M26: 44,797,382 km (0.064 R)
• M27: 48,078,960 km (0.065 R)
• M28: 48,721,633 km (0.091 R)
• M29: 50,353,297 km (0.112 R)
• M30: 52,698,393 km (0.048 R)
• M31: 56,886,086 km (0.089 R)
• M32: 57,244,822 km (0.026 R)
• M33: 57,424,788 km (0.11 R)
• M34: 59,244,497 km (0.119 R)
• M35: 61,667,085 km (0.06 R)
• M36: 62,425,695 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 861.8

Radius: 6.3

Gravity: 21.71 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 8.91 AU - 9.73 AU

Year: 19640 Days

Day: 17.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 81,151,302 km

• M1: 78,389 km (0.063 R)
• M2: 330,611 km (0.059 R)
• M3: 608,564 km (0.091 R)
• M4: 918,232 km (0.103 R)
• M5: 1,360,443 km (0.118 R)
• M6: 1,570,030 km (0.102 R)
• M7: 2,424,084 km (0.112 R)
• M8: 2,991,808 km (0.038 R)
• M9: 3,554,296 km (0.088 R)
• M10: 7,466,131 km (0.106 R)
• M11: 9,327,427 km (0.077 R)
• M12: 10,832,831 km (0.11 R)
• M13: 11,609,842 km (0.066 R)
• M14: 13,202,311 km (0.054 R)
• M15: 13,938,034 km (0.036 R)
• M16: 16,644,558 km (0.043 R)
• M17: 22,036,215 km (0.055 R)
• M18: 23,175,253 km (0.093 R)
• M19: 27,530,347 km (0.03 R)
• M20: 34,144,368 km (0.101 R)
• M21: 43,644,281 km (0.111 R)
• M22: 47,108,220 km (0.078 R)
• M23: 49,342,015 km (0.087 R)
• M24: 70,248,916 km (0.115 R)
• M25: 74,300,475 km (0.107 R)
• M26: 74,530,108 km (0.087 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: 155 - 15,840 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit