🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497

Radius: 13.4

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.85 AU - 0.89 AU

Year: 560 Days

Day: 13.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,772,905 km

• M1: 179,517 km (0.028 R)
• M2: 644,617 km (0.068 R)
• M3: 1,127,968 km (0.116 R)
• M4: 2,209,710 km (0.113 R)
• M5: 2,936,606 km (0.119 R)
• M6: 4,071,306 km (0.118 R)
• M7: 5,314,464 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.8

Radius: 12.1

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.98 AU - 1.24 AU

Year: 807 Days

Day: 10.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,772,905 km

• M1: 150,495 km (0.086 R)
• M2: 553,512 km (0.12 R)
• M3: 939,175 km (0.059 R)
• M4: 1,345,633 km (0.093 R)
• M5: 1,917,546 km (0.098 R)
• M6: 2,468,365 km (0.106 R)
• M7: 2,996,146 km (0.07 R)
• M8: 3,430,130 km (0.114 R)
• M9: 3,846,161 km (0.118 R)
• M10: 4,279,995 km (0.098 R)
• M11: 5,414,845 km (0.107 R)
• M12: 6,083,697 km (0.036 R)
• M13: 6,806,853 km (0.092 R)
• M14: 7,351,239 km (0.077 R)
• M15: 7,899,964 km (0.105 R)
• M16: 8,787,529 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.4

Radius: 10.2

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.1 AU - 2.5 AU

Year: 2408 Days

Day: 11.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 70.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,772,905 km

• M1: 127,457 km (0.112 R)
• M2: 463,753 km (0.032 R)
• M3: 789,428 km (0.029 R)
• M4: 1,374,804 km (0.114 R)
• M5: 1,982,770 km (0.115 R)
• M6: 2,837,722 km (0.103 R)
• M7: 3,845,563 km (0.116 R)
• M8: 4,297,648 km (0.06 R)
• M9: 4,806,879 km (0.08 R)
• M10: 6,580,062 km (0.105 R)
• M11: 7,523,726 km (0.084 R)
• M12: 11,443,788 km (0.1 R)
• M13: 12,465,841 km (0.104 R)
• M14: 13,414,591 km (0.1 R)
• M15: 15,358,615 km (0.111 R)
• M16: 16,448,585 km (0.07 R)
• M17: 16,909,047 km (0.081 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433.3

Radius: 3.6

Gravity: 33.43 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.07 AU - 6.13 AU

Year: 9147 Days

Day: 19.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,772,905 km

• M1: 44,879 km (0.101 R)
• M2: 231,727 km (0.058 R)
• M3: 474,225 km (0.119 R)
• M4: 621,280 km (0.088 R)
• M5: 1,423,873 km (0.065 R)
• M6: 3,038,782 km (0.113 R)
• M7: 3,963,895 km (0.076 R)
• M8: 6,075,618 km (0.1 R)
• M9: 7,918,066 km (0.028 R)
• M10: 8,326,617 km (0.102 R)
• M11: 9,636,646 km (0.109 R)
• M12: 10,878,009 km (0.091 R)
• M13: 12,492,769 km (0.069 R)
• M14: 13,673,096 km (0.03 R)
• M15: 15,359,662 km (0.104 R)
• M16: 16,058,583 km (0.115 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 14,821 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit