🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.1

Radius: 13.9

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.43 AU - 0.69 AU

Year: 289 Days

Day: 5.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,198,141 km

• M1: 173,234 km (0.06 R)
• M2: 957,277 km (0.085 R)
• M3: 1,780,215 km (0.046 R)
• M4: 2,279,572 km (0.059 R)
• M5: 2,853,729 km (0.049 R)
• M6: 3,446,735 km (0.047 R)
• M7: 3,974,815 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.3

Radius: 8.4

Gravity: 9.84 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.62 AU - 0.78 AU

Year: 404 Days

Day: 6.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,198,141 km

• M1: 104,868 km (0.11 R)
• M2: 366,365 km (0.036 R)
• M3: 642,822 km (0.114 R)
• M4: 910,004 km (0.05 R)
• M5: 1,283,101 km (0.115 R)
• M6: 1,704,967 km (0.098 R)
• M7: 2,096,913 km (0.111 R)
• M8: 2,481,380 km (0.069 R)
• M9: 3,019,334 km (0.044 R)
• M10: 3,783,031 km (0.106 R)
• M11: 4,203,551 km (0.061 R)
• M12: 4,524,737 km (0.108 R)
• M13: 5,538,861 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.1

Radius: 13.4

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.93 AU - 1.45 AU

Year: 896 Days

Day: 12.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,198,141 km

• M1: 167,250 km (0.101 R)
• M2: 650,751 km (0.061 R)
• M3: 1,168,060 km (0.106 R)
• M4: 1,616,106 km (0.069 R)
• M5: 2,270,596 km (0.114 R)
• M6: 3,122,556 km (0.073 R)
• M7: 3,588,404 km (0.104 R)
• M8: 5,477,676 km (0.109 R)
• M9: 6,746,714 km (0.097 R)
• M10: 7,743,335 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.4

Radius: 9.4

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.48 AU - 3.56 AU

Year: 4559 Days

Day: 9.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 65,198,141 km

• M1: 116,836 km (0.107 R)
• M2: 424,409 km (0.084 R)
• M3: 1,388,867 km (0.118 R)
• M4: 2,921,497 km (0.114 R)
• M5: 7,752,610 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.5

Radius: 9.1

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.74 AU - 4.52 AU

Year: 4774 Days

Day: 12.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,198,141 km

• M1: 113,246 km (0.03 R)
• M2: 402,568 km (0.086 R)
• M3: 883,675 km (0.101 R)
• M4: 1,517,371 km (0.113 R)
• M5: 2,105,141 km (0.088 R)
• M6: 2,460,436 km (0.058 R)
• M7: 3,687,438 km (0.092 R)
• M8: 4,302,285 km (0.113 R)
• M9: 5,117,444 km (0.069 R)
• M10: 5,619,494 km (0.075 R)
• M11: 7,709,825 km (0.029 R)
• M12: 11,579,773 km (0.115 R)
• M13: 16,700,807 km (0.082 R)
• M14: 22,271,383 km (0.096 R)
• M15: 23,532,194 km (0.05 R)
• M16: 24,528,216 km (0.028 R)
• M17: 25,075,894 km (0.084 R)
• M18: 25,631,800 km (0.093 R)
• M19: 27,182,083 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243

Radius: 10.7

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.28 AU - 4.62 AU

Year: 5419 Days

Day: 9.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,198,141 km

• M1: 133,142 km (0.069 R)
• M2: 518,057 km (0.118 R)
• M3: 938,727 km (0.113 R)
• M4: 1,334,413 km (0.086 R)
• M5: 2,597,169 km (0.099 R)
• M6: 4,737,765 km (0.111 R)
• M7: 5,476,479 km (0.107 R)
• M8: 7,530,308 km (0.082 R)
• M9: 11,655,320 km (0.096 R)
• M10: 13,999,369 km (0.07 R)
• M11: 15,307,901 km (0.113 R)
• M12: 16,045,419 km (0.111 R)
• M13: 16,641,417 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.9

Radius: 12.3

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.58 AU - 6.34 AU

Year: 8806 Days

Day: 12.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,198,141 km

• M1: 161,715 km (0.066 R)
• M2: 559,496 km (0.053 R)
• M3: 1,478,625 km (0.084 R)
• M4: 3,121,958 km (0.056 R)
• M5: 3,574,940 km (0.041 R)
• M6: 5,066,281 km (0.119 R)
• M7: 5,845,238 km (0.055 R)
• M8: 6,836,473 km (0.054 R)
• M9: 7,533,300 km (0.066 R)
• M10: 8,470,381 km (0.119 R)
• M11: 11,557,034 km (0.086 R)
• M12: 15,559,974 km (0.094 R)
• M13: 16,398,021 km (0.1 R)
• M14: 17,014,813 km (0.044 R)
• M15: 19,296,480 km (0.106 R)
• M16: 19,776,091 km (0.098 R)
• M17: 23,437,648 km (0.108 R)
• M18: 25,346,218 km (0.063 R)
• M19: 30,015,616 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 847.4

Radius: 6

Gravity: 23.54 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 6.23 AU - 8.83 AU

Year: 14263 Days

Day: 19.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,198,141 km

• M1: 74,649 km (0.063 R)
• M2: 448,195 km (0.079 R)
• M3: 652,247 km (0.108 R)
• M4: 1,245,851 km (0.115 R)
• M5: 1,535,024 km (0.097 R)
• M6: 1,763,609 km (0.114 R)
• M7: 1,958,984 km (0.075 R)
• M8: 2,208,513 km (0.103 R)
• M9: 3,215,457 km (0.106 R)
• M10: 3,937,715 km (0.115 R)
• M11: 5,930,209 km (0.071 R)
• M12: 6,454,849 km (0.117 R)
• M13: 6,707,221 km (0.055 R)
• M14: 8,166,249 km (0.05 R)
• M15: 10,159,191 km (0.079 R)
• M16: 10,443,577 km (0.025 R)
• M17: 10,850,483 km (0.103 R)
• M18: 14,929,269 km (0.036 R)
• M19: 16,050,356 km (0.106 R)
• M20: 16,436,168 km (0.072 R)
• M21: 18,208,006 km (0.068 R)
• M22: 20,732,769 km (0.11 R)
• M23: 21,842,486 km (0.074 R)
• M24: 27,658,702 km (0.104 R)
• M25: 29,574,601 km (0.115 R)
• M26: 31,456,991 km (0.086 R)
• M27: 33,417,920 km (0.1 R)
• M28: 43,106,626 km (0.118 R)
• M29: 47,866,831 km (0.091 R)
• M30: 50,620,329 km (0.064 R)
• M31: 56,086,336 km (0.063 R)
• M32: 60,249,495 km (0.106 R)
• M33: 61,368,338 km (0.111 R)
• M34: 61,744,427 km (0.062 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 11,958 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit