🌌 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: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.6

Radius: 14.2

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.64 AU - 0.72 AU

Year: 387 Days

Day: 5.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 37,409,000 km

• M1: 176,675 km (0.06 R)
• M2: 903,422 km (0.11 R)
• M3: 1,354,609 km (0.109 R)
• M4: 1,901,838 km (0.09 R)
• M5: 2,379,504 km (0.098 R)
• M6: 2,958,597 km (0.095 R)
• M7: 4,866,868 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.5

Radius: 10

Gravity: 9.91 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.87 AU - 1.05 AU

Year: 649 Days

Day: 11.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,409,000 km

• M1: 124,465 km (0.088 R)
• M2: 491,279 km (0.051 R)
• M3: 1,067,082 km (0.073 R)
• M4: 1,453,493 km (0.086 R)
• M5: 1,906,176 km (0.045 R)
• M6: 2,313,681 km (0.069 R)
• M7: 2,732,106 km (0.038 R)
• M8: 4,236,313 km (0.079 R)
• M9: 4,593,552 km (0.117 R)
• M10: 5,730,197 km (0.078 R)
• M11: 6,188,864 km (0.087 R)
• M12: 7,880,965 km (0.077 R)
• M13: 8,474,121 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.6

Radius: 14.9

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 4.33 AU - 4.45 AU

Year: 6349 Days

Day: 14.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 106.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,409,000 km

• M1: 204,201 km (0.073 R)
• M2: 812,616 km (0.116 R)
• M3: 1,323,941 km (0.099 R)
• M4: 1,904,082 km (0.069 R)
• M5: 2,602,853 km (0.103 R)
• M6: 3,128,391 km (0.051 R)
• M7: 4,571,262 km (0.096 R)
• M8: 5,658,689 km (0.047 R)
• M9: 6,518,278 km (0.085 R)
• M10: 7,463,288 km (0.027 R)
• M11: 8,344,569 km (0.081 R)
• M12: 9,966,659 km (0.11 R)
• M13: 10,852,727 km (0.06 R)
• M14: 11,646,643 km (0.116 R)
• M15: 13,193,934 km (0.085 R)
• M16: 20,211,570 km (0.069 R)
• M17: 21,776,962 km (0.063 R)
• M18: 23,116,761 km (0.096 R)
• M19: 23,652,471 km (0.054 R)
• M20: 25,067,966 km (0.104 R)
• M21: 26,706,212 km (0.091 R)
• M22: 27,722,879 km (0.11 R)
• M23: 28,240,936 km (0.081 R)
• M24: 29,923,763 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.8

Radius: 9.9

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.07 AU - 5.99 AU

Year: 8976 Days

Day: 13.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,409,000 km

• M1: 123,418 km (0.106 R)
• M2: 954,135 km (0.112 R)
• M3: 1,403,078 km (0.108 R)
• M4: 1,829,283 km (0.074 R)
• M5: 5,594,063 km (0.085 R)
• M6: 16,894,237 km (0.038 R)
• M7: 20,121,961 km (0.082 R)
• M8: 22,778,969 km (0.038 R)
• M9: 24,343,463 km (0.113 R)
• M10: 26,297,959 km (0.105 R)
• M11: 26,700,976 km (0.083 R)
• M12: 27,026,501 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.9

Radius: 7.2

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 6.46 AU - 6.5 AU

Year: 11386 Days

Day: 22.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,409,000 km

• M1: 89,609 km (0.117 R)
• M2: 443,707 km (0.053 R)
• M3: 812,466 km (0.099 R)
• M4: 1,446,761 km (0.11 R)
• M5: 2,787,607 km (0.072 R)
• M6: 3,600,671 km (0.109 R)
• M7: 5,441,473 km (0.1 R)
• M8: 7,162,148 km (0.038 R)
• M9: 8,752,971 km (0.108 R)
• M10: 10,518,974 km (0.111 R)
• M11: 11,939,406 km (0.101 R)
• M12: 18,837,214 km (0.086 R)
• M13: 19,825,009 km (0.091 R)
• M14: 22,758,174 km (0.027 R)
• M15: 23,715,900 km (0.044 R)
• M16: 27,191,059 km (0.084 R)
• M17: 27,547,251 km (0.053 R)
• M18: 28,818,534 km (0.051 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 128.6

Radius: 5.3

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 6.89 AU - 9.31 AU

Year: 15913 Days

Day: 20.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 37,409,000 km

• M1: 66,272 km (0.045 R)
• M2: 351,405 km (0.111 R)
• M3: 582,085 km (0.112 R)
• M4: 976,724 km (0.105 R)
• M5: 1,407,866 km (0.063 R)
• M6: 1,639,742 km (0.074 R)
• M7: 2,546,605 km (0.064 R)
• M8: 3,491,465 km (0.079 R)
• M9: 4,042,882 km (0.086 R)
• M10: 4,678,075 km (0.091 R)
• M11: 5,137,041 km (0.099 R)
• M12: 5,346,927 km (0.101 R)
• M13: 6,011,740 km (0.083 R)
• M14: 7,239,490 km (0.119 R)
• M15: 8,752,223 km (0.113 R)
• M16: 9,403,423 km (0.084 R)
• M17: 10,753,245 km (0.032 R)
• M18: 12,765,186 km (0.059 R)
• M19: 15,259,731 km (0.114 R)
• M20: 15,507,016 km (0.074 R)
• M21: 16,201,150 km (0.094 R)
• M22: 17,047,874 km (0.111 R)
• M23: 17,923,770 km (0.092 R)
• M24: 18,338,006 km (0.102 R)
• M25: 20,207,082 km (0.11 R)
• M26: 24,318,779 km (0.09 R)
• M27: 27,379,851 km (0.104 R)
• M28: 29,334,646 km (0.096 R)
• M29: 36,409,728 km (0.028 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: 380 - 11,714 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit