🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.7

Radius: 8.8

Gravity: 11.51 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.68 AU - 0.94 AU

Year: 503 Days

Day: 14.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,011,400 km

• M1: 109,506 km (0.07 R)
• M2: 468,092 km (0.079 R)
• M3: 871,707 km (0.08 R)
• M4: 1,167,013 km (0.029 R)
• M5: 1,444,816 km (0.053 R)
• M6: 2,074,324 km (0.081 R)
• M7: 2,357,214 km (0.091 R)
• M8: 2,666,133 km (0.067 R)
• M9: 3,168,483 km (0.115 R)
• M10: 3,585,711 km (0.084 R)
• M11: 4,198,763 km (0.099 R)
• M12: 5,525,697 km (0.112 R)
• M13: 6,112,719 km (0.102 R)
• M14: 6,863,102 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.3

Radius: 8.2

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.79 AU - 0.83 AU

Year: 503 Days

Day: 11.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,011,400 km

• M1: 102,175 km (0.068 R)
• M2: 367,412 km (0.099 R)
• M3: 624,571 km (0.097 R)
• M4: 883,824 km (0.055 R)
• M5: 1,190,350 km (0.069 R)
• M6: 1,485,357 km (0.116 R)
• M7: 1,940,135 km (0.082 R)
• M8: 2,485,120 km (0.051 R)
• M9: 2,882,601 km (0.036 R)
• M10: 3,192,119 km (0.061 R)
• M11: 3,890,442 km (0.078 R)
• M12: 4,269,374 km (0.105 R)
• M13: 4,827,074 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.1

Radius: 11.2

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1 AU - 1.26 AU

Year: 829 Days

Day: 12.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,011,400 km

• M1: 140,772 km (0.12 R)
• M2: 533,316 km (0.102 R)
• M3: 986,448 km (0.103 R)
• M4: 1,476,681 km (0.034 R)
• M5: 2,640,851 km (0.109 R)
• M6: 3,037,136 km (0.117 R)
• M7: 3,751,615 km (0.079 R)
• M8: 4,125,012 km (0.109 R)
• M9: 4,856,844 km (0.117 R)
• M10: 5,514,626 km (0.037 R)
• M11: 5,875,606 km (0.077 R)
• M12: 6,712,157 km (0.107 R)
• M13: 7,384,450 km (0.101 R)
• M14: 8,152,186 km (0.052 R)
• M15: 8,944,905 km (0.059 R)

Asteroid Belt

Center: 1.49 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.3

Radius: 12.5

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.4 AU - 2.3 AU

Year: 1737 Days

Day: 13.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,011,400 km

• M1: 155,432 km (0.068 R)
• M2: 655,538 km (0.11 R)
• M3: 1,190,051 km (0.117 R)
• M4: 1,626,578 km (0.076 R)
• M5: 2,360,654 km (0.083 R)
• M6: 2,798,976 km (0.077 R)
• M7: 4,028,820 km (0.113 R)
• M8: 5,129,711 km (0.109 R)
• M9: 5,531,830 km (0.106 R)
• M10: 6,270,544 km (0.057 R)
• M11: 6,981,433 km (0.08 R)
• M12: 9,582,342 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10

Radius: 11.2

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.03 AU - 3.83 AU

Year: 4385 Days

Day: 13.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 47,011,400 km

• M1: 142,417 km (0.088 R)
• M2: 595,699 km (0.05 R)
• M3: 1,092,064 km (0.105 R)
• M4: 5,483,061 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.8

Radius: 12

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.92 AU - 4.5 AU

Year: 5963 Days

Day: 6.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,011,400 km

• M1: 152,590 km (0.069 R)
• M2: 645,066 km (0.045 R)
• M3: 1,348,924 km (0.047 R)
• M4: 1,744,760 km (0.11 R)
• M5: 4,306,175 km (0.11 R)
• M6: 5,491,289 km (0.101 R)
• M7: 6,175,699 km (0.089 R)
• M8: 8,080,828 km (0.063 R)
• M9: 9,167,956 km (0.074 R)
• M10: 9,831,722 km (0.097 R)
• M11: 10,751,150 km (0.108 R)
• M12: 13,483,555 km (0.081 R)
• M13: 14,287,793 km (0.062 R)
• M14: 18,599,653 km (0.094 R)
• M15: 19,060,414 km (0.117 R)
• M16: 19,663,892 km (0.087 R)
• M17: 23,709,617 km (0.117 R)
• M18: 24,960,405 km (0.092 R)
• M19: 28,106,598 km (0.036 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.2

Radius: 3.3

Gravity: 14.53 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 7.29 AU - 11.71 AU

Year: 20211 Days

Day: 19.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 70 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 47,011,400 km

• M1: 60,886 km (0.113 R)
• M2: 187,147 km (0.112 R)
• M3: 422,464 km (0.036 R)
• M4: 627,563 km (0.112 R)
• M5: 810,820 km (0.063 R)
• M6: 1,198,429 km (0.052 R)
• M7: 1,668,315 km (0.073 R)
• M8: 2,618,412 km (0.06 R)
• M9: 3,115,226 km (0.112 R)
• M10: 3,446,885 km (0.058 R)
• M11: 3,570,901 km (0.055 R)
• M12: 3,854,240 km (0.079 R)
• M13: 5,300,851 km (0.082 R)
• M14: 5,432,796 km (0.052 R)
• M15: 5,807,240 km (0.107 R)
• M16: 7,686,488 km (0.113 R)
• M17: 8,157,871 km (0.109 R)
• M18: 8,739,657 km (0.105 R)
• M19: 12,762,494 km (0.109 R)
• M20: 18,615,361 km (0.097 R)
• M21: 22,416,792 km (0.05 R)
• M22: 22,936,495 km (0.063 R)
• M23: 23,641,699 km (0.082 R)
• M24: 27,880,555 km (0.049 R)
• M25: 29,708,940 km (0.104 R)
• M26: 31,941,090 km (0.088 R)
• M27: 36,259,681 km (0.115 R)
• M28: 39,178,486 km (0.112 R)
• M29: 41,727,334 km (0.074 R)
• M30: 42,381,526 km (0.109 R)
• M31: 42,777,212 km (0.073 R)
• M32: 43,979,081 km (0.078 R)
• M33: 44,114,019 km (0.068 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: 200 - 14,199 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit