🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.8

Radius: 14.4

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.9 AU - 1.42 AU

Year: 820 Days

Day: 10 Hours

Environment

Temp: -171 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 18,430,156 km

• M1: 179,069 km (0.053 R)
• M2: 987,196 km (0.079 R)
• M3: 2,340,309 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.7

Radius: 10.5

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.16 AU - 1.6 AU

Year: 1063 Days

Day: 14.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 55.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 18,430,156 km

• M1: 132,693 km (0.098 R)
• M2: 662,719 km (0.073 R)
• M3: 1,022,053 km (0.052 R)
• M4: 1,350,270 km (0.087 R)
• M5: 2,475,546 km (0.115 R)
• M6: 2,878,113 km (0.115 R)
• M7: 3,961,052 km (0.111 R)
• M8: 4,628,409 km (0.105 R)
• M9: 5,368,918 km (0.117 R)
• M10: 5,701,624 km (0.104 R)
• M11: 6,048,092 km (0.108 R)
• M12: 7,554,842 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.5

Radius: 11.4

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.25 AU - 1.63 AU

Year: 1134 Days

Day: 10.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 18,430,156 km

• M1: 141,819 km (0.08 R)
• M2: 570,716 km (0.08 R)
• M3: 1,167,911 km (0.082 R)
• M4: 1,529,489 km (0.072 R)
• M5: 2,071,033 km (0.114 R)
• M6: 2,935,709 km (0.074 R)
• M7: 4,911,597 km (0.105 R)
• M8: 6,748,510 km (0.103 R)
• M9: 8,212,774 km (0.057 R)
• M10: 8,946,850 km (0.081 R)
• M11: 9,450,247 km (0.078 R)
• M12: 10,320,458 km (0.093 R)
• M13: 11,620,463 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.6

Radius: 11.4

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.47 AU - 2.63 AU

Year: 2671 Days

Day: 10.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 18,430,156 km

• M1: 141,819 km (0.04 R)
• M2: 649,554 km (0.038 R)
• M3: 1,231,789 km (0.066 R)
• M4: 1,699,881 km (0.089 R)
• M5: 2,916,261 km (0.115 R)
• M6: 3,288,610 km (0.09 R)
• M7: 4,315,300 km (0.114 R)
• M8: 4,821,839 km (0.095 R)
• M9: 5,238,169 km (0.076 R)
• M10: 5,723,914 km (0.119 R)
• M11: 6,095,964 km (0.083 R)
• M12: 7,391,481 km (0.106 R)
• M13: 9,489,442 km (0.068 R)
• M14: 10,045,647 km (0.091 R)
• M15: 11,151,474 km (0.098 R)
• M16: 12,529,270 km (0.107 R)
• M17: 13,727,400 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.5

Radius: 10.1

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.19 AU - 2.91 AU

Year: 2671 Days

Day: 5.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 18,430,156 km

• M1: 126,111 km (0.089 R)
• M2: 484,697 km (0.048 R)
• M3: 1,225,057 km (0.102 R)
• M4: 2,091,378 km (0.101 R)
• M5: 2,560,218 km (0.119 R)
• M6: 3,200,946 km (0.072 R)
• M7: 5,272,278 km (0.092 R)
• M8: 5,774,927 km (0.077 R)
• M9: 6,254,388 km (0.114 R)
• M10: 6,760,178 km (0.085 R)
• M11: 8,782,741 km (0.079 R)
• M12: 9,636,048 km (0.084 R)
• M13: 10,858,561 km (0.094 R)
• M14: 11,967,979 km (0.102 R)
• M15: 12,660,169 km (0.12 R)
• M16: 13,287,582 km (0.092 R)
• M17: 14,507,553 km (0.057 R)
• M18: 15,698,501 km (0.081 R)
• M19: 17,223,203 km (0.091 R)
• M20: 18,105,531 km (0.079 R)
• M21: 18,614,912 km (0.106 R)
• M22: 19,308,896 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.7

Radius: 13.4

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.18 AU - 3.16 AU

Year: 2862 Days

Day: 8.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,430,156 km

• M1: 166,652 km (0.03 R)
• M2: 779,555 km (0.102 R)
• M3: 1,368,521 km (0.11 R)
• M4: 1,815,370 km (0.107 R)
• M5: 2,418,549 km (0.1 R)
• M6: 3,460,947 km (0.107 R)
• M7: 3,929,936 km (0.092 R)
• M8: 5,521,657 km (0.041 R)
• M9: 6,949,868 km (0.104 R)
• M10: 7,382,057 km (0.068 R)
• M11: 8,403,511 km (0.109 R)
• M12: 8,894,790 km (0.041 R)
• M13: 9,973,840 km (0.048 R)
• M14: 11,602,960 km (0.1 R)
• M15: 14,173,201 km (0.057 R)
• M16: 22,219,921 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.7

Radius: 14.1

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.32 AU - 3.74 AU

Year: 4351 Days

Day: 8.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 18,430,156 km

• M1: 176,974 km (0.068 R)
• M2: 644,019 km (0.051 R)
• M3: 1,225,207 km (0.118 R)
• M4: 1,773,184 km (0.064 R)
• M5: 2,484,671 km (0.091 R)
• M6: 3,049,852 km (0.063 R)
• M7: 4,040,040 km (0.091 R)
• M8: 5,028,284 km (0.104 R)
• M9: 5,814,570 km (0.063 R)
• M10: 6,820,017 km (0.079 R)
• M11: 7,335,382 km (0.113 R)
• M12: 11,786,367 km (0.081 R)
• M13: 12,446,692 km (0.078 R)
• M14: 12,914,784 km (0.083 R)
• M15: 14,022,556 km (0.113 R)
• M16: 16,225,235 km (0.034 R)
• M17: 17,251,626 km (0.081 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: 236 - 11,735 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit