🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796

Radius: 13

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.45 AU - 0.67 AU

Year: 284 Days

Day: 12.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,247,517 km

• M1: 161,715 km (0.03 R)
• M2: 591,360 km (0.096 R)
• M3: 1,041,351 km (0.077 R)
• M4: 1,452,745 km (0.091 R)
• M5: 2,065,797 km (0.105 R)
• M6: 2,660,299 km (0.089 R)
• M7: 3,487,426 km (0.069 R)
• M8: 4,572,160 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.9

Radius: 14.8

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.52 AU - 0.8 AU

Year: 364 Days

Day: 9.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,247,517 km

• M1: 185,053 km (0.09 R)
• M2: 690,693 km (0.1 R)
• M3: 1,285,046 km (0.102 R)
• M4: 1,827,338 km (0.084 R)
• M5: 2,585,799 km (0.094 R)
• M6: 3,404,548 km (0.077 R)
• M7: 3,893,733 km (0.117 R)
• M8: 4,548,374 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.1

Radius: 12.8

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.34 AU - 1.58 AU

Year: 1197 Days

Day: 14 Hours

Environment

Temp: -189 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,247,517 km

• M1: 159,172 km (0.047 R)
• M2: 590,762 km (0.073 R)
• M3: 1,106,725 km (0.096 R)
• M4: 1,711,848 km (0.119 R)
• M5: 2,298,122 km (0.12 R)
• M6: 3,240,439 km (0.113 R)
• M7: 3,813,699 km (0.111 R)
• M8: 4,256,059 km (0.07 R)
• M9: 5,007,789 km (0.081 R)
• M10: 5,490,242 km (0.101 R)
• M11: 5,968,357 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.7

Radius: 13.5

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.32 AU - 2.56 AU

Year: 2585 Days

Day: 10.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,247,517 km

• M1: 291,417 km (0.112 R)
• M2: 1,140,983 km (0.108 R)
• M3: 1,699,581 km (0.12 R)
• M4: 2,426,178 km (0.115 R)
• M5: 3,468,726 km (0.093 R)
• M6: 5,113,854 km (0.036 R)
• M7: 6,582,007 km (0.095 R)
• M8: 7,514,002 km (0.103 R)
• M9: 8,072,002 km (0.111 R)
• M10: 8,752,672 km (0.072 R)
• M11: 9,371,110 km (0.095 R)
• M12: 10,158,593 km (0.057 R)
• M13: 11,479,243 km (0.035 R)
• M14: 11,983,238 km (0.109 R)
• M15: 14,326,240 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.9

Radius: 9.5

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.08 AU - 3.32 AU

Year: 3883 Days

Day: 8.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,247,517 km

• M1: 118,930 km (0.096 R)
• M2: 457,470 km (0.086 R)
• M3: 758,910 km (0.094 R)
• M4: 1,821,952 km (0.111 R)
• M5: 2,265,660 km (0.105 R)
• M6: 2,992,855 km (0.1 R)
• M7: 3,312,695 km (0.111 R)
• M8: 4,508,281 km (0.094 R)
• M9: 4,904,865 km (0.104 R)
• M10: 5,433,245 km (0.06 R)
• M11: 6,146,827 km (0.09 R)
• M12: 7,051,296 km (0.118 R)
• M13: 9,006,689 km (0.105 R)
• M14: 9,477,175 km (0.09 R)
• M15: 9,881,687 km (0.067 R)
• M16: 11,209,368 km (0.097 R)
• M17: 13,292,968 km (0.058 R)
• M18: 14,006,699 km (0.119 R)
• M19: 19,672,270 km (0.116 R)
• M20: 23,407,429 km (0.073 R)
• M21: 23,849,641 km (0.114 R)
• M22: 25,132,891 km (0.038 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680

Radius: 10.9

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.31 AU - 4.39 AU

Year: 5124 Days

Day: 5.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 34,247,517 km

• M1: 135,685 km (0.104 R)
• M2: 511,326 km (0.088 R)
• M3: 886,667 km (0.095 R)
• M4: 1,240,914 km (0.071 R)
• M5: 1,642,285 km (0.118 R)
• M6: 2,086,292 km (0.055 R)
• M7: 2,627,238 km (0.104 R)
• M8: 3,025,767 km (0.065 R)
• M9: 3,591,546 km (0.11 R)
• M10: 4,855,648 km (0.094 R)
• M11: 5,546,191 km (0.058 R)
• M12: 6,175,550 km (0.119 R)
• M13: 7,122,504 km (0.091 R)
• M14: 7,721,045 km (0.12 R)
• M15: 8,467,987 km (0.091 R)
• M16: 12,943,507 km (0.087 R)
• M17: 14,160,037 km (0.108 R)
• M18: 14,880,500 km (0.055 R)
• M19: 16,036,443 km (0.051 R)
• M20: 19,658,955 km (0.072 R)
• M21: 20,346,358 km (0.056 R)
• M22: 22,134,950 km (0.032 R)
• M23: 23,486,118 km (0.099 R)
• M24: 25,533,813 km (0.114 R)
• M25: 26,104,828 km (0.091 R)
• M26: 28,214,009 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.4

Radius: 9

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.29 AU - 4.79 AU

Year: 6561 Days

Day: 9.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 34,247,517 km

• M1: 112,049 km (0.111 R)
• M2: 401,670 km (0.089 R)
• M3: 1,148,612 km (0.081 R)
• M4: 1,430,006 km (0.12 R)
• M5: 1,799,214 km (0.086 R)
• M6: 2,464,625 km (0.058 R)
• M7: 2,750,955 km (0.054 R)
• M8: 3,099,817 km (0.085 R)
• M9: 4,404,461 km (0.061 R)
• M10: 4,829,019 km (0.113 R)
• M11: 5,517,020 km (0.082 R)
• M12: 5,915,997 km (0.117 R)
• M13: 6,301,511 km (0.086 R)
• M14: 7,016,290 km (0.117 R)
• M15: 7,375,175 km (0.057 R)
• M16: 8,729,036 km (0.112 R)
• M17: 12,484,989 km (0.064 R)
• M18: 13,944,466 km (0.048 R)
• M19: 19,489,461 km (0.114 R)
• M20: 20,200,051 km (0.088 R)
• M21: 23,295,231 km (0.071 R)
• M22: 24,095,430 km (0.085 R)
• M23: 27,480,680 km (0.04 R)
• M24: 27,924,986 km (0.102 R)
• M25: 30,502,108 km (0.071 R)
• M26: 32,043,714 km (0.114 R)
• M27: 33,033,304 km (0.118 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 174 - 18,750 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit