🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.7

Radius: 13.5

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.86 AU - 1.14 AU

Year: 678 Days

Day: 12.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 22,400,276 km

• M1: 167,849 km (0.091 R)
• M2: 817,253 km (0.065 R)
• M3: 1,547,440 km (0.088 R)
• M4: 2,183,381 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402

Radius: 14.5

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.24 AU - 1.98 AU

Year: 1386 Days

Day: 13.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,400,276 km

• M1: 180,565 km (0.12 R)
• M2: 694,134 km (0.104 R)
• M3: 1,334,263 km (0.058 R)
• M4: 1,816,417 km (0.091 R)
• M5: 2,885,593 km (0.048 R)
• M6: 3,606,057 km (0.111 R)
• M7: 4,461,607 km (0.072 R)
• M8: 5,232,784 km (0.091 R)
• M9: 6,994,598 km (0.084 R)
• M10: 8,037,445 km (0.081 R)
• M11: 8,678,621 km (0.092 R)
• M12: 9,763,505 km (0.069 R)
• M13: 10,462,875 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.3

Radius: 8.8

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.8 AU - 1.96 AU

Year: 1748 Days

Day: 7.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,400,276 km

• M1: 113,395 km (0.104 R)
• M2: 847,921 km (0.118 R)
• M3: 1,234,781 km (0.042 R)
• M4: 2,430,517 km (0.075 R)
• M5: 2,807,653 km (0.091 R)
• M6: 3,194,513 km (0.115 R)
• M7: 4,196,519 km (0.088 R)
• M8: 4,779,502 km (0.097 R)
• M9: 6,710,811 km (0.093 R)
• M10: 7,027,360 km (0.079 R)
• M11: 7,690,677 km (0.117 R)
• M12: 9,082,835 km (0.111 R)
• M13: 10,026,049 km (0.074 R)
• M14: 11,718,001 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.2

Radius: 12.6

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.84 AU - 2.16 AU

Year: 1918 Days

Day: 8.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,400,276 km

• M1: 158,574 km (0.102 R)
• M2: 610,958 km (0.07 R)
• M3: 1,160,580 km (0.085 R)
• M4: 1,830,629 km (0.101 R)
• M5: 2,544,959 km (0.101 R)
• M6: 3,185,537 km (0.117 R)
• M7: 4,021,191 km (0.086 R)
• M8: 4,852,207 km (0.087 R)
• M9: 7,039,777 km (0.072 R)
• M10: 7,613,036 km (0.116 R)
• M11: 8,012,462 km (0.112 R)
• M12: 8,884,468 km (0.108 R)
• M13: 9,620,340 km (0.1 R)
• M14: 10,431,160 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.5

Radius: 9.5

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.75 AU - 2.49 AU

Year: 2094 Days

Day: 5 Hours

Environment

Temp: -194 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 22,400,276 km

• M1: 118,182 km (0.089 R)
• M2: 515,365 km (0.12 R)
• M3: 821,592 km (0.079 R)
• M4: 1,172,698 km (0.073 R)
• M5: 1,487,152 km (0.086 R)
• M6: 1,792,631 km (0.053 R)
• M7: 2,318,169 km (0.111 R)
• M8: 2,674,960 km (0.066 R)
• M9: 3,005,571 km (0.027 R)
• M10: 4,912,046 km (0.084 R)
• M11: 5,745,306 km (0.089 R)
• M12: 6,643,043 km (0.112 R)
• M13: 7,601,965 km (0.079 R)
• M14: 8,332,601 km (0.111 R)
• M15: 8,910,797 km (0.107 R)
• M16: 10,806,651 km (0.098 R)
• M17: 11,416,562 km (0.089 R)
• M18: 12,333,297 km (0.116 R)
• M19: 12,663,310 km (0.093 R)
• M20: 13,777,216 km (0.065 R)
• M21: 15,378,212 km (0.109 R)
• M22: 15,809,054 km (0.097 R)
• M23: 17,099,485 km (0.096 R)

Asteroid Belt

Center: 3.27 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.6

Radius: 13.3

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.73 AU - 5.11 AU

Year: 6303 Days

Day: 7.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 22,400,276 km

• M1: 165,605 km (0.094 R)
• M2: 590,912 km (0.042 R)
• M3: 1,094,608 km (0.05 R)
• M4: 1,991,297 km (0.094 R)
• M5: 2,531,196 km (0.093 R)
• M6: 3,087,850 km (0.056 R)
• M7: 3,525,573 km (0.118 R)
• M8: 4,501,998 km (0.03 R)
• M9: 5,442,071 km (0.046 R)
• M10: 5,927,965 km (0.063 R)
• M11: 6,952,411 km (0.059 R)
• M12: 7,599,572 km (0.065 R)
• M13: 8,524,535 km (0.032 R)
• M14: 9,873,160 km (0.1 R)
• M15: 11,310,945 km (0.07 R)
• M16: 12,105,460 km (0.067 R)
• M17: 13,585,431 km (0.065 R)
• M18: 14,029,588 km (0.036 R)
• M19: 15,301,469 km (0.095 R)
• M20: 16,712,027 km (0.119 R)
• M21: 17,481,558 km (0.063 R)
• M22: 18,476,384 km (0.078 R)
• M23: 19,578,921 km (0.113 R)
• M24: 21,688,400 km (0.117 R)
• M25: 23,386,934 km (0.104 R)
• M26: 23,945,383 km (0.112 R)
• M27: 32,236,995 km (0.117 R)
• M28: 34,240,858 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.3

Radius: 4.6

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.63 AU - 7.61 AU

Year: 10269 Days

Day: 16.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 22,400,276 km

• M1: 57,146 km (0.109 R)
• M2: 217,814 km (0.096 R)
• M3: 468,241 km (0.119 R)
• M4: 648,507 km (0.093 R)
• M5: 982,708 km (0.112 R)
• M6: 1,833,621 km (0.092 R)
• M7: 2,406,731 km (0.09 R)
• M8: 3,073,638 km (0.071 R)
• M9: 3,517,196 km (0.107 R)
• M10: 3,835,689 km (0.06 R)
• M11: 4,787,431 km (0.111 R)
• M12: 6,307,196 km (0.059 R)
• M13: 7,144,794 km (0.077 R)
• M14: 9,634,851 km (0.039 R)
• M15: 11,843,514 km (0.093 R)
• M16: 12,019,441 km (0.104 R)
• M17: 12,648,799 km (0.091 R)
• M18: 14,518,025 km (0.092 R)
• M19: 14,820,960 km (0.1 R)
• M20: 14,973,999 km (0.099 R)
• M21: 16,236,904 km (0.114 R)
• M22: 16,894,237 km (0.106 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: 240 - 18,008 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit