🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.7

Radius: 10.5

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.65 AU - 0.65 AU

Year: 349 Days

Day: 5.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 12,981,203 km

• M1: 130,599 km (0.098 R)
• M2: 484,398 km (0.106 R)
• M3: 845,826 km (0.111 R)
• M4: 1,291,778 km (0.102 R)
• M5: 1,654,702 km (0.11 R)
• M6: 2,403,140 km (0.113 R)
• M7: 2,928,678 km (0.051 R)
• M8: 3,328,403 km (0.055 R)
• M9: 4,102,871 km (0.118 R)
• M10: 5,148,261 km (0.082 R)
• M11: 5,699,978 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.2

Radius: 11.9

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.58 AU - 0.86 AU

Year: 407 Days

Day: 11.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 12,981,203 km

• M1: 148,251 km (0.096 R)
• M2: 571,763 km (0.093 R)
• M3: 957,426 km (0.092 R)
• M4: 1,608,028 km (0.102 R)
• M5: 2,629,931 km (0.08 R)
• M6: 3,263,777 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.9

Radius: 12.8

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.74 AU - 0.86 AU

Year: 477 Days

Day: 6.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 12,981,203 km

• M1: 159,322 km (0.119 R)
• M2: 619,784 km (0.115 R)
• M3: 1,085,931 km (0.09 R)
• M4: 1,560,605 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.8

Radius: 13

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.9 AU - 0.98 AU

Year: 608 Days

Day: 12.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 12,981,203 km

• M1: 161,715 km (0.099 R)
• M2: 676,781 km (0.114 R)
• M3: 1,233,285 km (0.111 R)
• M4: 1,775,278 km (0.078 R)
• M5: 2,268,203 km (0.097 R)
• M6: 2,895,616 km (0.072 R)
• M7: 3,535,746 km (0.095 R)
• M8: 4,679,870 km (0.095 R)
• M9: 6,444,975 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.5

Radius: 9.8

Gravity: 10.26 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.93 AU - 1.23 AU

Year: 748 Days

Day: 13.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 12,981,203 km

• M1: 122,072 km (0.074 R)
• M2: 498,161 km (0.083 R)
• M3: 876,195 km (0.094 R)
• M4: 1,217,727 km (0.096 R)
• M5: 1,566,738 km (0.117 R)
• M6: 1,973,196 km (0.068 R)
• M7: 2,739,586 km (0.085 R)
• M8: 3,158,310 km (0.079 R)
• M9: 3,648,692 km (0.094 R)
• M10: 3,966,737 km (0.092 R)
• M11: 4,470,433 km (0.106 R)
• M12: 4,889,307 km (0.112 R)
• M13: 5,201,817 km (0.077 R)
• M14: 6,031,487 km (0.087 R)
• M15: 6,434,803 km (0.113 R)
• M16: 6,743,423 km (0.037 R)
• M17: 7,977,606 km (0.033 R)
• M18: 8,862,178 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.8

Radius: 10.6

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.49 AU - 2.33 AU

Year: 1760 Days

Day: 12.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 12,981,203 km

• M1: 134,040 km (0.116 R)
• M2: 479,461 km (0.107 R)
• M3: 962,363 km (0.041 R)
• M4: 1,297,014 km (0.087 R)
• M5: 1,792,182 km (0.115 R)
• M6: 2,855,524 km (0.106 R)
• M7: 3,370,739 km (0.076 R)
• M8: 3,753,710 km (0.083 R)
• M9: 4,221,652 km (0.067 R)
• M10: 4,728,340 km (0.073 R)
• M11: 5,253,279 km (0.09 R)
• M12: 5,747,101 km (0.074 R)
• M13: 6,198,438 km (0.11 R)
• M14: 6,802,066 km (0.075 R)
• M15: 7,809,158 km (0.083 R)
• M16: 9,915,347 km (0.082 R)
• M17: 10,357,409 km (0.055 R)
• M18: 11,990,120 km (0.088 R)
• M19: 12,570,709 km (0.049 R)
• M20: 13,251,230 km (0.093 R)
• M21: 14,382,339 km (0.027 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.2

Radius: 14

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.95 AU - 1.99 AU

Year: 1844 Days

Day: 9.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 12,981,203 km

• M1: 177,423 km (0.108 R)
• M2: 655,538 km (0.042 R)
• M3: 1,129,763 km (0.098 R)
• M4: 1,680,882 km (0.104 R)
• M5: 3,468,875 km (0.1 R)
• M6: 3,923,503 km (0.107 R)
• M7: 4,418,074 km (0.108 R)
• M8: 5,197,329 km (0.093 R)
• M9: 5,773,879 km (0.052 R)
• M10: 6,416,851 km (0.117 R)
• M11: 8,491,774 km (0.086 R)
• M12: 9,635,449 km (0.11 R)
• M13: 10,146,775 km (0.101 R)
• M14: 10,947,871 km (0.099 R)
• M15: 11,826,759 km (0.113 R)
• M16: 12,676,325 km (0.085 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 160 - 14,785 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit