🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.2

Radius: 13

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.81 AU - 1.17 AU

Year: 636 Days

Day: 9.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,125,328 km

• M1: 161,715 km (0.049 R)
• M2: 657,333 km (0.066 R)
• M3: 1,064,239 km (0.044 R)
• M4: 1,733,839 km (0.063 R)
• M5: 2,265,660 km (0.087 R)
• M6: 3,238,495 km (0.059 R)
• M7: 3,745,332 km (0.075 R)
• M8: 5,240,413 km (0.092 R)
• M9: 5,756,825 km (0.11 R)
• M10: 6,248,553 km (0.114 R)
• M11: 7,166,187 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.7

Radius: 11.1

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.21 AU - 1.59 AU

Year: 1070 Days

Day: 8 Hours

Environment

Temp: -167 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,125,328 km

• M1: 138,228 km (0.106 R)
• M2: 654,191 km (0.1 R)
• M3: 1,041,201 km (0.112 R)
• M4: 1,485,058 km (0.095 R)
• M5: 1,846,636 km (0.075 R)
• M6: 2,234,843 km (0.074 R)
• M7: 2,740,483 km (0.12 R)
• M8: 3,758,198 km (0.103 R)
• M9: 4,477,015 km (0.092 R)
• M10: 5,265,247 km (0.09 R)
• M11: 5,713,891 km (0.092 R)
• M12: 6,232,247 km (0.027 R)
• M13: 7,117,119 km (0.118 R)
• M14: 7,821,126 km (0.117 R)
• M15: 8,379,276 km (0.096 R)
• M16: 8,765,986 km (0.106 R)
• M17: 9,309,775 km (0.076 R)
• M18: 10,560,263 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.8

Radius: 10.4

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.27 AU - 2.49 AU

Year: 2371 Days

Day: 6.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,125,328 km

• M1: 129,402 km (0.115 R)
• M2: 465,399 km (0.062 R)
• M3: 932,892 km (0.108 R)
• M4: 1,663,528 km (0.104 R)
• M5: 2,135,210 km (0.063 R)
• M6: 3,420,705 km (0.072 R)
• M7: 4,230,478 km (0.111 R)
• M8: 4,883,772 km (0.072 R)
• M9: 5,235,028 km (0.059 R)
• M10: 7,804,521 km (0.084 R)
• M11: 8,550,865 km (0.052 R)
• M12: 9,415,540 km (0.085 R)
• M13: 12,838,190 km (0.086 R)
• M14: 13,419,079 km (0.119 R)
• M15: 13,877,895 km (0.083 R)
• M16: 14,585,643 km (0.084 R)
• M17: 15,666,936 km (0.119 R)
• M18: 17,714,033 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260

Radius: 9.6

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.58 AU - 3.16 AU

Year: 3139 Days

Day: 14.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,125,328 km

• M1: 119,678 km (0.116 R)
• M2: 450,290 km (0.078 R)
• M3: 843,283 km (0.112 R)
• M4: 1,323,642 km (0.095 R)
• M5: 1,771,388 km (0.04 R)
• M6: 2,280,021 km (0.119 R)
• M7: 2,766,663 km (0.112 R)
• M8: 3,097,125 km (0.114 R)
• M9: 5,301,150 km (0.062 R)
• M10: 5,790,186 km (0.099 R)
• M11: 6,672,215 km (0.104 R)
• M12: 9,184,412 km (0.106 R)
• M13: 10,239,825 km (0.043 R)
• M14: 11,298,678 km (0.037 R)
• M15: 13,125,268 km (0.105 R)
• M16: 14,152,707 km (0.12 R)
• M17: 14,821,559 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.8

Radius: 10.5

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.5 AU - 3.52 AU

Year: 4246 Days

Day: 7.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,125,328 km

• M1: 130,898 km (0.085 R)
• M2: 518,207 km (0.108 R)
• M3: 1,363,585 km (0.064 R)
• M4: 1,746,256 km (0.086 R)
• M5: 2,613,924 km (0.117 R)
• M6: 3,703,744 km (0.11 R)
• M7: 4,941,367 km (0.065 R)
• M8: 5,917,493 km (0.067 R)
• M9: 6,722,480 km (0.081 R)
• M10: 7,219,144 km (0.088 R)
• M11: 7,563,818 km (0.033 R)
• M12: 8,896,585 km (0.084 R)
• M13: 10,598,411 km (0.1 R)
• M14: 12,360,225 km (0.09 R)
• M15: 13,673,096 km (0.085 R)
• M16: 19,929,428 km (0.1 R)
• M17: 20,267,669 km (0.065 R)
• M18: 23,637,361 km (0.092 R)
• M19: 25,973,482 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 359.2

Radius: 5.2

Gravity: 13.28 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 4.89 AU - 8.01 AU

Year: 10577 Days

Day: 15.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,125,328 km

• M1: 64,925 km (0.079 R)
• M2: 258,056 km (0.03 R)
• M3: 752,627 km (0.063 R)
• M4: 1,235,230 km (0.092 R)
• M5: 2,262,817 km (0.114 R)
• M6: 2,686,628 km (0.111 R)
• M7: 3,788,716 km (0.09 R)
• M8: 4,331,008 km (0.096 R)
• M9: 4,663,265 km (0.091 R)
• M10: 6,513,940 km (0.116 R)
• M11: 9,157,634 km (0.056 R)
• M12: 9,520,109 km (0.084 R)
• M13: 11,634,376 km (0.093 R)
• M14: 13,282,197 km (0.096 R)
• M15: 13,864,431 km (0.076 R)
• M16: 15,971,368 km (0.086 R)
• M17: 17,789,580 km (0.116 R)
• M18: 20,498,947 km (0.082 R)
• M19: 23,136,807 km (0.083 R)
• M20: 23,387,234 km (0.113 R)
• M21: 28,592,791 km (0.084 R)
• M22: 31,976,844 km (0.081 R)
• M23: 32,183,888 km (0.075 R)
• M24: 37,081,123 km (0.111 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 11,456 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit