🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.7

Radius: 8.1

Gravity: 14.4 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.62 AU - 0.86 AU

Year: 411 Days

Day: 9.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,311,873 km

• M1: 100,679 km (0.088 R)
• M2: 430,543 km (0.077 R)
• M3: 854,653 km (0.107 R)
• M4: 1,372,112 km (0.09 R)
• M5: 1,649,616 km (0.114 R)
• M6: 2,119,652 km (0.103 R)
• M7: 2,377,110 km (0.05 R)
• M8: 3,326,757 km (0.088 R)
• M9: 3,767,772 km (0.072 R)
• M10: 4,120,225 km (0.108 R)
• M11: 4,614,197 km (0.116 R)
• M12: 5,720,473 km (0.116 R)
• M13: 6,242,570 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.5

Radius: 13

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.93 AU - 1.31 AU

Year: 765 Days

Day: 10.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,311,873 km

• M1: 162,014 km (0.066 R)
• M2: 679,324 km (0.072 R)
• M3: 1,152,502 km (0.08 R)
• M4: 1,577,958 km (0.073 R)
• M5: 2,696,502 km (0.057 R)
• M6: 3,650,786 km (0.081 R)
• M7: 5,116,846 km (0.034 R)
• M8: 5,824,593 km (0.114 R)
• M9: 6,820,765 km (0.084 R)
• M10: 7,284,070 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.5

Radius: 9.3

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.04 AU - 1.54 AU

Year: 946 Days

Day: 8.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,311,873 km

• M1: 115,639 km (0.032 R)
• M2: 667,954 km (0.116 R)
• M3: 1,007,392 km (0.116 R)
• M4: 1,424,770 km (0.086 R)
• M5: 2,578,618 km (0.087 R)
• M6: 3,125,100 km (0.095 R)
• M7: 3,613,387 km (0.08 R)
• M8: 3,945,793 km (0.079 R)
• M9: 4,585,624 km (0.11 R)
• M10: 4,885,567 km (0.101 R)
• M11: 5,274,073 km (0.042 R)
• M12: 5,885,330 km (0.099 R)
• M13: 6,218,933 km (0.049 R)
• M14: 6,521,121 km (0.113 R)
• M15: 8,625,514 km (0.068 R)
• M16: 9,166,759 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.1

Radius: 12.3

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.43 AU - 1.53 AU

Year: 1163 Days

Day: 13.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,311,873 km

• M1: 153,188 km (0.077 R)
• M2: 621,729 km (0.112 R)
• M3: 1,023,997 km (0.03 R)
• M4: 1,406,519 km (0.111 R)
• M5: 2,004,312 km (0.038 R)
• M6: 2,704,730 km (0.109 R)
• M7: 3,092,786 km (0.091 R)
• M8: 3,918,567 km (0.092 R)
• M9: 4,558,846 km (0.069 R)
• M10: 5,074,509 km (0.094 R)
• M11: 5,629,069 km (0.047 R)
• M12: 6,028,046 km (0.077 R)
• M13: 6,719,787 km (0.105 R)
• M14: 7,266,717 km (0.064 R)
• M15: 8,723,650 km (0.067 R)
• M16: 9,668,810 km (0.116 R)
• M17: 10,243,265 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.8

Radius: 12.8

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.24 AU - 4.5 AU

Year: 5898 Days

Day: 14.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,311,873 km

• M1: 161,865 km (0.05 R)
• M2: 810,671 km (0.078 R)
• M3: 1,264,102 km (0.079 R)
• M4: 1,993,840 km (0.105 R)
• M5: 2,734,051 km (0.063 R)
• M6: 3,132,579 km (0.115 R)
• M7: 5,162,473 km (0.099 R)
• M8: 6,145,929 km (0.099 R)
• M9: 7,025,864 km (0.043 R)
• M10: 8,197,814 km (0.066 R)
• M11: 9,891,112 km (0.1 R)
• M12: 11,099,414 km (0.117 R)
• M13: 12,264,183 km (0.095 R)
• M14: 13,361,184 km (0.083 R)
• M15: 14,941,686 km (0.092 R)
• M16: 16,081,173 km (0.075 R)
• M17: 16,872,396 km (0.064 R)
• M18: 20,758,051 km (0.095 R)
• M19: 22,175,940 km (0.104 R)
• M20: 24,680,956 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 306.3

Radius: 8

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 6.03 AU - 10.01 AU

Year: 14665 Days

Day: 18.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 47,311,873 km

• M1: 99,782 km (0.109 R)
• M2: 379,380 km (0.038 R)
• M3: 744,100 km (0.072 R)
• M4: 1,180,926 km (0.072 R)
• M5: 1,478,925 km (0.096 R)
• M6: 1,735,186 km (0.108 R)
• M7: 2,004,611 km (0.098 R)
• M8: 3,031,302 km (0.07 R)
• M9: 4,012,514 km (0.078 R)
• M10: 4,488,385 km (0.076 R)
• M11: 4,846,373 km (0.111 R)
• M12: 7,088,546 km (0.039 R)
• M13: 8,170,587 km (0.106 R)
• M14: 10,094,715 km (0.066 R)
• M15: 12,245,334 km (0.091 R)
• M16: 14,172,453 km (0.114 R)
• M17: 14,749,004 km (0.118 R)
• M18: 17,140,475 km (0.073 R)
• M19: 18,240,468 km (0.107 R)
• M20: 19,937,656 km (0.111 R)
• M21: 20,418,165 km (0.118 R)
• M22: 20,988,581 km (0.098 R)
• M23: 22,246,699 km (0.079 R)
• M24: 24,091,391 km (0.058 R)
• M25: 25,190,037 km (0.07 R)
• M26: 33,382,765 km (0.117 R)
• M27: 33,946,898 km (0.115 R)
• M28: 34,402,723 km (0.096 R)
• M29: 40,706,179 km (0.086 R)
• M30: 41,870,050 km (0.119 R)
• M31: 42,131,548 km (0.034 R)
• M32: 43,724,166 km (0.113 R)
• M33: 46,747,539 km (0.107 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 474 - 18,410 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit