🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.9

Radius: 12.5

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.61 AU - 0.85 AU

Year: 403 Days

Day: 10.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,622,911 km

• M1: 155,582 km (0.115 R)
• M2: 551,567 km (0.075 R)
• M3: 957,426 km (0.095 R)
• M4: 1,624,483 km (0.09 R)
• M5: 2,337,766 km (0.053 R)
• M6: 2,767,860 km (0.085 R)
• M7: 3,574,192 km (0.115 R)
• M8: 4,505,439 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.6

Radius: 13.5

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.63 AU - 0.87 AU

Year: 419 Days

Day: 11.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,622,911 km

• M1: 167,849 km (0.061 R)
• M2: 658,829 km (0.119 R)
• M3: 1,087,277 km (0.113 R)
• M4: 1,756,578 km (0.114 R)
• M5: 2,444,130 km (0.113 R)
• M6: 3,031,302 km (0.046 R)
• M7: 3,622,812 km (0.104 R)
• M8: 4,433,782 km (0.052 R)
• M9: 5,183,267 km (0.094 R)
• M10: 6,250,947 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.7

Radius: 8

Gravity: 15.42 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.08 AU - 1.16 AU

Year: 765 Days

Day: 13.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,622,911 km

• M1: 99,483 km (0.11 R)
• M2: 381,624 km (0.085 R)
• M3: 637,885 km (0.091 R)
• M4: 939,175 km (0.094 R)
• M5: 2,033,185 km (0.112 R)
• M6: 2,739,735 km (0.083 R)
• M7: 3,286,216 km (0.066 R)
• M8: 3,810,707 km (0.092 R)
• M9: 4,508,880 km (0.071 R)
• M10: 5,424,868 km (0.1 R)
• M11: 5,844,639 km (0.111 R)
• M12: 6,094,019 km (0.085 R)
• M13: 7,768,617 km (0.1 R)
• M14: 9,642,480 km (0.111 R)

Asteroid Belt

Center: 1.58 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.3

Radius: 10.6

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.7 AU - 2.36 AU

Year: 1867 Days

Day: 10.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,622,911 km

• M1: 131,796 km (0.072 R)
• M2: 514,168 km (0.118 R)
• M3: 925,562 km (0.093 R)
• M4: 1,389,615 km (0.102 R)
• M5: 1,881,941 km (0.083 R)
• M6: 2,366,788 km (0.05 R)
• M7: 3,032,050 km (0.036 R)
• M8: 3,784,677 km (0.102 R)
• M9: 4,619,283 km (0.039 R)
• M10: 5,992,741 km (0.089 R)
• M11: 6,675,655 km (0.101 R)
• M12: 7,048,752 km (0.1 R)
• M13: 8,224,442 km (0.072 R)
• M14: 9,068,025 km (0.06 R)
• M15: 10,161,735 km (0.113 R)
• M16: 11,982,341 km (0.113 R)
• M17: 12,423,056 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.9

Radius: 15

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.65 AU - 2.49 AU

Year: 1923 Days

Day: 8.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,622,911 km

• M1: 191,036 km (0.039 R)
• M2: 659,727 km (0.064 R)
• M3: 1,289,833 km (0.082 R)
• M4: 2,011,643 km (0.111 R)
• M5: 3,111,935 km (0.105 R)
• M6: 4,297,947 km (0.07 R)
• M7: 4,943,910 km (0.087 R)
• M8: 7,415,267 km (0.074 R)
• M9: 8,736,964 km (0.111 R)
• M10: 9,615,403 km (0.074 R)
• M11: 10,865,892 km (0.09 R)
• M12: 12,222,146 km (0.117 R)
• M13: 13,978,874 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.7

Radius: 10.5

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.95 AU - 5.31 AU

Year: 6433 Days

Day: 14.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,622,911 km

• M1: 131,497 km (0.047 R)
• M2: 498,610 km (0.083 R)
• M3: 1,140,385 km (0.079 R)
• M4: 1,706,912 km (0.107 R)
• M5: 2,164,382 km (0.086 R)
• M6: 2,513,992 km (0.091 R)
• M7: 3,092,487 km (0.072 R)
• M8: 3,901,512 km (0.028 R)
• M9: 4,585,025 km (0.113 R)
• M10: 4,967,996 km (0.104 R)
• M11: 5,771,187 km (0.095 R)
• M12: 6,932,964 km (0.111 R)
• M13: 8,071,703 km (0.12 R)
• M14: 8,560,589 km (0.061 R)
• M15: 9,559,304 km (0.035 R)
• M16: 11,350,888 km (0.117 R)
• M17: 13,452,589 km (0.036 R)
• M18: 17,073,007 km (0.074 R)
• M19: 17,996,923 km (0.116 R)
• M20: 18,591,126 km (0.066 R)
• M21: 19,944,388 km (0.107 R)
• M22: 22,639,843 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 591.1

Radius: 3.6

Gravity: 45.61 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 6.43 AU - 8.55 AU

Year: 13235 Days

Day: 21.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 75,622,911 km

• M1: 45,029 km (0.045 R)
• M2: 168,298 km (0.108 R)
• M3: 334,351 km (0.111 R)
• M4: 988,692 km (0.118 R)
• M5: 1,357,750 km (0.084 R)
• M6: 2,074,474 km (0.099 R)
• M7: 2,524,763 km (0.074 R)
• M8: 3,805,471 km (0.088 R)
• M9: 4,414,932 km (0.101 R)
• M10: 7,728,974 km (0.088 R)
• M11: 8,604,122 km (0.039 R)
• M12: 10,277,823 km (0.109 R)
• M13: 11,740,291 km (0.079 R)
• M14: 13,018,306 km (0.077 R)
• M15: 13,854,408 km (0.031 R)
• M16: 14,657,450 km (0.075 R)
• M17: 17,480,810 km (0.109 R)
• M18: 18,497,029 km (0.115 R)
• M19: 23,326,497 km (0.095 R)
• M20: 23,513,045 km (0.06 R)
• M21: 23,794,589 km (0.099 R)
• M22: 24,943,650 km (0.101 R)
• M23: 25,236,562 km (0.103 R)
• M24: 29,364,416 km (0.098 R)
• M25: 31,021,512 km (0.084 R)
• M26: 31,134,159 km (0.068 R)
• M27: 32,856,629 km (0.064 R)
• M28: 43,407,019 km (0.113 R)
• M29: 43,830,680 km (0.044 R)
• M30: 49,592,891 km (0.11 R)
• M31: 53,864,658 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 885.1

Radius: 7.5

Gravity: 15.74 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 7.84 AU - 10.16 AU

Year: 17433 Days

Day: 21.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 75,622,911 km

• M1: 93,349 km (0.054 R)
• M2: 328,367 km (0.103 R)
• M3: 595,100 km (0.102 R)
• M4: 1,048,681 km (0.117 R)
• M5: 1,287,589 km (0.106 R)
• M6: 1,547,141 km (0.084 R)
• M7: 2,409,274 km (0.059 R)
• M8: 3,443,893 km (0.068 R)
• M9: 3,796,345 km (0.083 R)
• M10: 4,642,920 km (0.056 R)
• M11: 5,147,962 km (0.11 R)
• M12: 5,452,693 km (0.118 R)
• M13: 6,839,166 km (0.094 R)
• M14: 8,394,086 km (0.104 R)
• M15: 8,816,999 km (0.094 R)
• M16: 10,171,458 km (0.12 R)
• M17: 12,387,302 km (0.087 R)
• M18: 18,268,892 km (0.114 R)
• M19: 19,250,254 km (0.119 R)
• M20: 24,797,642 km (0.114 R)
• M21: 27,240,575 km (0.054 R)
• M22: 28,638,418 km (0.082 R)
• M23: 29,234,715 km (0.116 R)
• M24: 32,857,826 km (0.094 R)
• M25: 34,173,539 km (0.097 R)
• M26: 36,490,212 km (0.111 R)
• M27: 45,341,319 km (0.051 R)
• M28: 52,092,821 km (0.114 R)
• M29: 56,822,806 km (0.116 R)
• M30: 61,435,956 km (0.116 R)
• M31: 62,029,560 km (0.037 R)
• M32: 65,671,969 km (0.118 R)
• M33: 75,396,579 km (0.083 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 17,824 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit