🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.2

Radius: 14.3

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.67 AU - 0.85 AU

Year: 449 Days

Day: 8.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 45,017,456 km

• M1: 177,872 km (0.114 R)
• M2: 794,514 km (0.074 R)
• M3: 1,713,045 km (0.111 R)
• M4: 2,320,712 km (0.091 R)
• M5: 3,294,444 km (0.119 R)
• M6: 3,842,721 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.3

Radius: 9.3

Gravity: 10.05 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.42 AU - 1.98 AU

Year: 1503 Days

Day: 7.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,017,456 km

• M1: 117,434 km (0.094 R)
• M2: 459,714 km (0.106 R)
• M3: 908,059 km (0.029 R)
• M4: 1,891,964 km (0.1 R)
• M5: 2,369,780 km (0.096 R)
• M6: 3,135,871 km (0.038 R)
• M7: 3,551,453 km (0.114 R)
• M8: 3,949,533 km (0.094 R)
• M9: 4,712,931 km (0.059 R)
• M10: 5,087,225 km (0.12 R)
• M11: 6,014,433 km (0.087 R)
• M12: 6,530,994 km (0.088 R)
• M13: 7,823,071 km (0.056 R)
• M14: 8,289,517 km (0.105 R)
• M15: 9,734,483 km (0.06 R)
• M16: 10,798,423 km (0.11 R)
• M17: 11,900,211 km (0.103 R)
• M18: 12,596,290 km (0.057 R)
• M19: 13,278,307 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.2

Radius: 8

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.34 AU - 3 AU

Year: 2959 Days

Day: 14.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,017,456 km

• M1: 106,813 km (0.096 R)
• M2: 411,245 km (0.09 R)
• M3: 732,581 km (0.098 R)
• M4: 1,038,209 km (0.116 R)
• M5: 1,409,960 km (0.053 R)
• M6: 1,669,961 km (0.109 R)
• M7: 2,010,296 km (0.104 R)
• M8: 2,262,518 km (0.071 R)
• M9: 2,535,983 km (0.068 R)
• M10: 2,956,353 km (0.053 R)
• M11: 3,318,530 km (0.057 R)
• M12: 3,673,226 km (0.054 R)
• M13: 4,959,169 km (0.053 R)
• M14: 5,816,216 km (0.116 R)
• M15: 6,148,921 km (0.034 R)
• M16: 7,852,243 km (0.097 R)
• M17: 8,581,532 km (0.078 R)
• M18: 10,248,053 km (0.071 R)
• M19: 12,243,838 km (0.074 R)
• M20: 12,578,787 km (0.074 R)
• M21: 13,889,863 km (0.105 R)
• M22: 14,531,788 km (0.066 R)
• M23: 16,023,727 km (0.065 R)
• M24: 17,038,749 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.1

Radius: 13.5

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.8 AU - 4.38 AU

Year: 4614 Days

Day: 6.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,017,456 km

• M1: 168,148 km (0.105 R)
• M2: 697,276 km (0.113 R)
• M3: 1,440,777 km (0.084 R)
• M4: 2,123,243 km (0.07 R)
• M5: 2,958,896 km (0.07 R)
• M6: 3,738,002 km (0.112 R)
• M7: 4,402,965 km (0.069 R)
• M8: 4,854,601 km (0.099 R)
• M9: 5,590,472 km (0.037 R)
• M10: 6,336,966 km (0.051 R)
• M11: 7,388,788 km (0.115 R)
• M12: 7,884,107 km (0.075 R)
• M13: 8,981,258 km (0.113 R)
• M14: 10,177,742 km (0.119 R)
• M15: 11,807,910 km (0.098 R)
• M16: 12,536,152 km (0.074 R)
• M17: 13,345,925 km (0.056 R)
• M18: 14,902,042 km (0.102 R)
• M19: 16,220,000 km (0.111 R)
• M20: 17,864,529 km (0.089 R)
• M21: 18,501,068 km (0.1 R)
• M22: 21,412,093 km (0.104 R)
• M23: 23,163,435 km (0.099 R)
• M24: 26,047,682 km (0.094 R)
• M25: 26,783,853 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 927.9

Radius: 6.7

Gravity: 20.67 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 7.36 AU - 7.76 AU

Year: 14099 Days

Day: 18.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 45,017,456 km

• M1: 83,326 km (0.058 R)
• M2: 303,684 km (0.09 R)
• M3: 992,582 km (0.075 R)
• M4: 1,576,911 km (0.092 R)
• M5: 2,086,741 km (0.075 R)
• M6: 2,306,799 km (0.064 R)
• M7: 4,034,056 km (0.1 R)
• M8: 4,313,804 km (0.119 R)
• M9: 5,603,338 km (0.052 R)
• M10: 5,873,512 km (0.115 R)
• M11: 6,736,542 km (0.106 R)
• M12: 8,308,815 km (0.064 R)
• M13: 9,233,480 km (0.099 R)
• M14: 10,628,779 km (0.099 R)
• M15: 10,923,936 km (0.107 R)
• M16: 14,468,956 km (0.085 R)
• M17: 14,831,582 km (0.094 R)
• M18: 16,033,002 km (0.099 R)
• M19: 16,975,618 km (0.116 R)
• M20: 19,317,872 km (0.109 R)
• M21: 22,634,756 km (0.063 R)
• M22: 25,992,032 km (0.091 R)
• M23: 26,312,769 km (0.095 R)
• M24: 26,744,509 km (0.088 R)
• M25: 28,745,979 km (0.09 R)
• M26: 36,804,667 km (0.11 R)
• M27: 43,487,802 km (0.117 R)
• M28: 55,931,801 km (0.085 R)
• M29: 57,365,248 km (0.114 R)
• M30: 63,151,544 km (0.111 R)
• M31: 65,097,962 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 230.4

Radius: 5.6

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 7.9 AU - 8.34 AU

Year: 15694 Days

Day: 21.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,017,456 km

• M1: 74,649 km (0.107 R)
• M2: 675,584 km (0.052 R)
• M3: 1,077,703 km (0.078 R)
• M4: 1,836,314 km (0.102 R)
• M5: 2,309,642 km (0.105 R)
• M6: 2,695,155 km (0.04 R)
• M7: 4,559,743 km (0.096 R)
• M8: 4,886,764 km (0.078 R)
• M9: 5,197,479 km (0.085 R)
• M10: 5,422,773 km (0.075 R)
• M11: 7,878,871 km (0.077 R)
• M12: 10,781,967 km (0.084 R)
• M13: 11,255,295 km (0.101 R)
• M14: 11,742,386 km (0.108 R)
• M15: 12,018,843 km (0.098 R)
• M16: 18,431,654 km (0.078 R)
• M17: 19,490,807 km (0.098 R)
• M18: 31,756,486 km (0.096 R)
• M19: 44,480,234 km (0.07 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: 236 - 17,977 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit