🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893

Radius: 9.3

Gravity: 10.32 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.47 AU - 0.71 AU

Year: 319 Days

Day: 12.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,658,615 km

• M1: 116,836 km (0.068 R)
• M2: 475,572 km (0.114 R)
• M3: 912,547 km (0.064 R)
• M4: 1,330,374 km (0.095 R)
• M5: 1,755,381 km (0.07 R)
• M6: 2,437,697 km (0.096 R)
• M7: 2,750,506 km (0.111 R)
• M8: 3,111,785 km (0.083 R)
• M9: 3,492,811 km (0.094 R)
• M10: 4,626,165 km (0.054 R)
• M11: 4,929,699 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.1

Radius: 14.3

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.66 AU - 0.94 AU

Year: 503 Days

Day: 8.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,658,615 km

• M1: 177,872 km (0.12 R)
• M2: 679,474 km (0.03 R)
• M3: 1,360,593 km (0.103 R)
• M4: 1,887,327 km (0.114 R)
• M5: 2,490,356 km (0.072 R)
• M6: 3,089,495 km (0.115 R)
• M7: 3,907,347 km (0.113 R)
• M8: 4,368,258 km (0.092 R)
• M9: 4,897,984 km (0.099 R)
• M10: 5,611,566 km (0.086 R)
• M11: 6,182,132 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.1

Radius: 10

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.69 AU - 1.05 AU

Year: 570 Days

Day: 6.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,658,615 km

• M1: 124,316 km (0.115 R)
• M2: 495,319 km (0.066 R)
• M3: 1,123,031 km (0.05 R)
• M4: 1,455,737 km (0.099 R)
• M5: 1,830,928 km (0.102 R)
• M6: 2,152,265 km (0.052 R)
• M7: 2,695,754 km (0.092 R)
• M8: 3,023,074 km (0.09 R)
• M9: 4,327,567 km (0.061 R)
• M10: 4,889,008 km (0.117 R)
• M11: 5,278,710 km (0.113 R)
• M12: 5,706,560 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.1

Radius: 12.8

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.04 AU - 1.3 AU

Year: 890 Days

Day: 10.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,658,615 km

• M1: 159,172 km (0.094 R)
• M2: 581,337 km (0.091 R)
• M3: 1,354,010 km (0.073 R)
• M4: 2,283,013 km (0.112 R)
• M5: 2,774,442 km (0.111 R)
• M6: 3,743,687 km (0.113 R)
• M7: 4,155,829 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.4

Radius: 13.3

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.14 AU - 1.82 AU

Year: 1266 Days

Day: 12.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,658,615 km

• M1: 165,455 km (0.102 R)
• M2: 582,684 km (0.066 R)
• M3: 1,033,871 km (0.09 R)
• M4: 1,597,556 km (0.111 R)
• M5: 2,048,294 km (0.087 R)
• M6: 2,642,497 km (0.111 R)
• M7: 3,503,283 km (0.094 R)
• M8: 3,976,611 km (0.083 R)
• M9: 4,611,504 km (0.067 R)
• M10: 5,071,667 km (0.106 R)
• M11: 5,680,381 km (0.036 R)
• M12: 6,210,406 km (0.102 R)
• M13: 6,908,130 km (0.115 R)
• M14: 7,393,875 km (0.095 R)
• M15: 7,977,157 km (0.103 R)
• M16: 8,590,807 km (0.084 R)
• M17: 9,017,460 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.1

Radius: 12.1

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.63 AU - 2.73 AU

Year: 3084 Days

Day: 9.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,658,615 km

• M1: 151,991 km (0.103 R)
• M2: 1,093,411 km (0.119 R)
• M3: 1,645,876 km (0.091 R)
• M4: 2,502,024 km (0.063 R)
• M5: 3,175,065 km (0.105 R)
• M6: 4,030,017 km (0.095 R)
• M7: 4,908,007 km (0.045 R)
• M8: 6,458,888 km (0.056 R)
• M9: 11,398,460 km (0.041 R)
• M10: 12,576,693 km (0.109 R)
• M11: 15,121,502 km (0.086 R)
• M12: 16,883,167 km (0.114 R)
• M13: 17,402,421 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.2

Radius: 14.6

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.46 AU - 3.38 AU

Year: 3507 Days

Day: 14.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,658,615 km

• M1: 181,761 km (0.1 R)
• M2: 654,191 km (0.098 R)
• M3: 1,301,801 km (0.033 R)
• M4: 1,968,708 km (0.111 R)
• M5: 2,651,772 km (0.063 R)
• M6: 3,508,968 km (0.093 R)
• M7: 4,044,977 km (0.113 R)
• M8: 4,727,891 km (0.088 R)
• M9: 5,855,560 km (0.112 R)
• M10: 9,855,059 km (0.098 R)
• M11: 11,732,961 km (0.036 R)
• M12: 14,678,693 km (0.109 R)
• M13: 15,867,547 km (0.04 R)
• M14: 17,456,875 km (0.118 R)
• M15: 17,913,447 km (0.061 R)
• M16: 20,380,167 km (0.092 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: 159 - 18,131 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit