🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.2

Radius: 8.7

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.83 AU - 0.87 AU

Year: 523 Days

Day: 12.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,791,488 km

• M1: 108,309 km (0.075 R)
• M2: 427,700 km (0.098 R)
• M3: 748,887 km (0.095 R)
• M4: 1,277,865 km (0.119 R)
• M5: 1,796,521 km (0.074 R)
• M6: 2,265,660 km (0.08 R)
• M7: 2,570,690 km (0.072 R)
• M8: 2,914,316 km (0.092 R)
• M9: 4,380,974 km (0.089 R)
• M10: 5,419,781 km (0.107 R)
• M11: 6,343,399 km (0.118 R)
• M12: 6,673,561 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511

Radius: 14.1

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.06 AU - 1.12 AU

Year: 759 Days

Day: 8.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,791,488 km

• M1: 175,329 km (0.114 R)
• M2: 851,062 km (0.108 R)
• M3: 1,335,161 km (0.046 R)
• M4: 2,008,202 km (0.03 R)
• M5: 2,507,410 km (0.084 R)
• M6: 3,066,008 km (0.051 R)
• M7: 4,075,196 km (0.094 R)
• M8: 4,641,723 km (0.089 R)
• M9: 6,184,077 km (0.09 R)
• M10: 7,792,104 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.3

Radius: 13.5

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.98 AU - 2.6 AU

Year: 2311 Days

Day: 10.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 22,791,488 km

• M1: 167,849 km (0.084 R)
• M2: 1,212,940 km (0.075 R)
• M3: 1,814,173 km (0.071 R)
• M4: 2,581,012 km (0.077 R)
• M5: 3,269,013 km (0.066 R)
• M6: 3,819,533 km (0.117 R)
• M7: 4,539,697 km (0.107 R)
• M8: 5,300,103 km (0.12 R)
• M9: 5,853,017 km (0.094 R)
• M10: 6,279,221 km (0.105 R)
• M11: 7,375,773 km (0.119 R)
• M12: 8,328,562 km (0.068 R)
• M13: 9,043,191 km (0.063 R)
• M14: 11,029,851 km (0.1 R)
• M15: 12,755,163 km (0.103 R)
• M16: 13,292,668 km (0.102 R)
• M17: 13,985,606 km (0.12 R)
• M18: 15,393,920 km (0.117 R)
• M19: 15,849,745 km (0.107 R)
• M20: 17,217,219 km (0.111 R)
• M21: 19,355,421 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.8

Radius: 10.5

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.93 AU - 3.13 AU

Year: 2684 Days

Day: 8 Hours

Environment

Temp: -202 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 22,791,488 km

• M1: 130,599 km (0.058 R)
• M2: 497,563 km (0.115 R)
• M3: 1,275,471 km (0.117 R)
• M4: 1,616,854 km (0.087 R)
• M5: 2,069,238 km (0.102 R)
• M6: 2,737,791 km (0.074 R)
• M7: 3,491,166 km (0.117 R)
• M8: 4,092,848 km (0.093 R)
• M9: 5,953,098 km (0.107 R)
• M10: 7,040,525 km (0.109 R)
• M11: 7,908,342 km (0.104 R)
• M12: 8,255,558 km (0.03 R)
• M13: 8,946,850 km (0.075 R)
• M14: 9,569,776 km (0.071 R)
• M15: 10,147,523 km (0.071 R)
• M16: 11,372,879 km (0.065 R)
• M17: 12,608,707 km (0.115 R)
• M18: 15,590,342 km (0.064 R)
• M19: 16,904,709 km (0.069 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 40.7

Radius: 7.2

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 5.8 AU - 9.02 AU

Year: 13451 Days

Day: 21.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 22,791,488 km

• M1: 89,609 km (0.115 R)
• M2: 331,210 km (0.079 R)
• M3: 935,435 km (0.1 R)
• M4: 1,239,418 km (0.062 R)
• M5: 1,759,570 km (0.085 R)
• M6: 2,910,277 km (0.111 R)
• M7: 4,751,976 km (0.12 R)
• M8: 5,395,995 km (0.108 R)
• M9: 7,102,458 km (0.081 R)
• M10: 9,066,977 km (0.112 R)
• M11: 10,739,033 km (0.093 R)
• M12: 11,712,915 km (0.118 R)
• M13: 12,198,958 km (0.033 R)
• M14: 12,930,043 km (0.098 R)
• M15: 13,738,171 km (0.101 R)
• M16: 15,038,775 km (0.106 R)
• M17: 16,584,121 km (0.104 R)
• M18: 20,426,841 km (0.101 R)
• M19: 22,318,058 km (0.071 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 238 - 15,526 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit