🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.7

Radius: 11.6

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.78 AU - 0.9 AU

Year: 531 Days

Day: 6.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,996,297 km

• M1: 144,362 km (0.117 R)
• M2: 585,825 km (0.077 R)
• M3: 1,035,367 km (0.1 R)
• M4: 1,597,855 km (0.104 R)
• M5: 1,968,259 km (0.065 R)
• M6: 2,445,925 km (0.033 R)
• M7: 3,104,605 km (0.059 R)
• M8: 3,756,552 km (0.082 R)
• M9: 4,259,949 km (0.096 R)
• M10: 5,771,935 km (0.083 R)
• M11: 6,424,929 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.1

Radius: 13.8

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.16 AU - 1.82 AU

Year: 1255 Days

Day: 10.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,996,297 km

• M1: 174,282 km (0.056 R)
• M2: 626,067 km (0.103 R)
• M3: 1,086,081 km (0.113 R)
• M4: 1,697,188 km (0.079 R)
• M5: 2,636,513 km (0.107 R)
• M6: 3,528,864 km (0.098 R)
• M7: 4,295,104 km (0.108 R)
• M8: 4,859,687 km (0.073 R)
• M9: 6,160,141 km (0.114 R)
• M10: 7,133,126 km (0.119 R)
• M11: 8,129,597 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.3

Radius: 12.1

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.41 AU - 1.97 AU

Year: 1516 Days

Day: 7.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 19,996,297 km

• M1: 150,495 km (0.086 R)
• M2: 627,264 km (0.106 R)
• M3: 1,140,534 km (0.078 R)
• M4: 1,659,788 km (0.109 R)
• M5: 2,234,394 km (0.061 R)
• M6: 3,006,020 km (0.076 R)
• M7: 3,507,172 km (0.103 R)
• M8: 4,030,466 km (0.095 R)
• M9: 4,514,864 km (0.088 R)
• M10: 5,194,936 km (0.097 R)
• M11: 5,748,747 km (0.112 R)
• M12: 7,072,838 km (0.107 R)
• M13: 9,132,202 km (0.093 R)
• M14: 9,787,740 km (0.114 R)
• M15: 10,315,521 km (0.119 R)
• M16: 10,797,077 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.3

Radius: 13.4

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.73 AU - 1.93 AU

Year: 1709 Days

Day: 11.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 19,996,297 km

• M1: 166,802 km (0.101 R)
• M2: 583,880 km (0.088 R)
• M3: 1,000,959 km (0.095 R)
• M4: 1,501,813 km (0.093 R)
• M5: 2,206,868 km (0.103 R)
• M6: 2,677,951 km (0.107 R)
• M7: 3,124,352 km (0.082 R)
• M8: 3,654,676 km (0.074 R)
• M9: 4,713,380 km (0.065 R)
• M10: 5,459,125 km (0.118 R)
• M11: 6,208,611 km (0.043 R)
• M12: 6,659,648 km (0.11 R)
• M13: 7,078,971 km (0.113 R)
• M14: 7,826,961 km (0.062 R)
• M15: 8,780,946 km (0.102 R)
• M16: 9,677,935 km (0.098 R)
• M17: 13,222,806 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.3

Radius: 8.3

Gravity: 13.93 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.83 AU - 2.55 AU

Year: 2237 Days

Day: 12.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 19,996,297 km

• M1: 103,821 km (0.114 R)
• M2: 582,684 km (0.057 R)
• M3: 990,188 km (0.081 R)
• M4: 1,278,314 km (0.103 R)
• M5: 1,823,897 km (0.04 R)
• M6: 2,804,212 km (0.046 R)
• M7: 3,648,991 km (0.047 R)
• M8: 4,392,193 km (0.09 R)
• M9: 5,089,469 km (0.1 R)
• M10: 6,933,413 km (0.057 R)
• M11: 7,533,001 km (0.027 R)
• M12: 11,142,199 km (0.052 R)
• M13: 12,176,369 km (0.065 R)
• M14: 15,064,805 km (0.103 R)
• M15: 16,018,491 km (0.111 R)
• M16: 17,934,840 km (0.089 R)
• M17: 19,120,702 km (0.087 R)
• M18: 19,644,744 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.1

Radius: 13.4

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.97 AU - 2.77 AU

Year: 2518 Days

Day: 9.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 19,996,297 km

• M1: 166,951 km (0.091 R)
• M2: 583,581 km (0.091 R)
• M3: 1,543,401 km (0.046 R)
• M4: 2,022,264 km (0.114 R)
• M5: 3,501,937 km (0.111 R)
• M6: 3,995,759 km (0.113 R)
• M7: 4,428,396 km (0.087 R)
• M8: 5,316,260 km (0.119 R)
• M9: 6,346,839 km (0.07 R)
• M10: 6,823,458 km (0.079 R)
• M11: 7,849,101 km (0.086 R)
• M12: 8,871,453 km (0.07 R)
• M13: 9,361,386 km (0.094 R)
• M14: 10,055,221 km (0.041 R)
• M15: 12,779,398 km (0.025 R)
• M16: 14,430,510 km (0.102 R)
• M17: 15,911,828 km (0.1 R)
• M18: 17,060,889 km (0.066 R)
• M19: 17,492,329 km (0.086 R)
• M20: 18,264,703 km (0.087 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 549 - 15,926 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit