🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.6

Radius: 11.2

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.52 AU - 0.58 AU

Year: 282 Days

Day: 11.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,225,575 km

• M1: 141,968 km (0.113 R)
• M2: 602,879 km (0.104 R)
• M3: 975,528 km (0.11 R)
• M4: 1,340,397 km (0.063 R)
• M5: 1,825,992 km (0.111 R)
• M6: 2,269,549 km (0.109 R)
• M7: 2,756,640 km (0.064 R)
• M8: 3,177,459 km (0.117 R)
• M9: 3,990,972 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.2

Radius: 11.9

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.59 AU - 0.65 AU

Year: 337 Days

Day: 8.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,225,575 km

• M1: 147,952 km (0.05 R)
• M2: 595,100 km (0.086 R)
• M3: 1,110,166 km (0.111 R)
• M4: 1,625,979 km (0.115 R)
• M5: 2,102,748 km (0.104 R)
• M6: 2,682,290 km (0.044 R)
• M7: 3,107,896 km (0.103 R)
• M8: 3,700,603 km (0.03 R)
• M9: 4,353,747 km (0.036 R)
• M10: 4,870,607 km (0.11 R)
• M11: 5,332,267 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.7

Radius: 9.4

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.78 AU - 0.8 AU

Year: 485 Days

Day: 8.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,225,575 km

• M1: 116,836 km (0.103 R)
• M2: 432,787 km (0.062 R)
• M3: 809,025 km (0.086 R)
• M4: 1,132,755 km (0.105 R)
• M5: 1,479,822 km (0.103 R)
• M6: 1,793,678 km (0.069 R)
• M7: 2,127,581 km (0.08 R)
• M8: 2,493,946 km (0.028 R)
• M9: 3,354,882 km (0.063 R)
• M10: 3,767,622 km (0.077 R)
• M11: 4,402,067 km (0.063 R)
• M12: 4,738,064 km (0.111 R)
• M13: 5,031,126 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350

Radius: 13

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.17 AU - 1.61 AU

Year: 1131 Days

Day: 7.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,225,575 km

• M1: 161,715 km (0.049 R)
• M2: 896,091 km (0.08 R)
• M3: 1,322,296 km (0.085 R)
• M4: 1,800,261 km (0.088 R)
• M5: 2,634,867 km (0.08 R)
• M6: 3,219,496 km (0.081 R)
• M7: 4,040,489 km (0.088 R)
• M8: 5,157,835 km (0.036 R)
• M9: 5,643,430 km (0.104 R)
• M10: 6,282,961 km (0.113 R)
• M11: 6,728,613 km (0.088 R)
• M12: 7,218,247 km (0.082 R)
• M13: 7,997,203 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.7

Radius: 11.3

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.95 AU - 2.79 AU

Year: 2518 Days

Day: 12.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,225,575 km

• M1: 140,472 km (0.092 R)
• M2: 640,877 km (0.067 R)
• M3: 1,540,110 km (0.118 R)
• M4: 2,917,458 km (0.118 R)
• M5: 3,416,367 km (0.089 R)
• M6: 4,917,581 km (0.115 R)
• M7: 9,304,539 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.9

Radius: 11.9

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.7 AU - 4.24 AU

Year: 4462 Days

Day: 6 Hours

Environment

Temp: -213 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,225,575 km

• M1: 148,401 km (0.058 R)
• M2: 1,178,682 km (0.117 R)
• M3: 1,951,953 km (0.093 R)
• M4: 2,515,039 km (0.107 R)
• M5: 3,184,490 km (0.089 R)
• M6: 3,650,936 km (0.078 R)
• M7: 4,979,964 km (0.088 R)
• M8: 5,810,980 km (0.104 R)
• M9: 9,013,870 km (0.093 R)
• M10: 9,760,064 km (0.113 R)
• M11: 12,284,828 km (0.084 R)
• M12: 13,007,535 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.7

Radius: 8.2

Gravity: 8.93 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 4.57 AU - 5.87 AU

Year: 8232 Days

Day: 12.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,225,575 km

• M1: 102,325 km (0.072 R)
• M2: 413,937 km (0.074 R)
• M3: 884,423 km (0.082 R)
• M4: 1,265,000 km (0.074 R)
• M5: 1,668,016 km (0.072 R)
• M6: 3,209,622 km (0.099 R)
• M7: 3,596,632 km (0.063 R)
• M8: 4,355,841 km (0.119 R)
• M9: 4,918,628 km (0.039 R)
• M10: 5,852,418 km (0.113 R)
• M11: 6,717,094 km (0.086 R)
• M12: 7,823,969 km (0.087 R)
• M13: 8,959,416 km (0.091 R)
• M14: 10,888,481 km (0.064 R)
• M15: 12,965,797 km (0.111 R)
• M16: 14,247,402 km (0.12 R)
• M17: 14,918,947 km (0.082 R)
• M18: 18,741,023 km (0.091 R)
• M19: 20,837,936 km (0.111 R)
• M20: 29,798,549 km (0.114 R)
• M21: 30,194,385 km (0.034 R)
• M22: 31,505,611 km (0.101 R)
• M23: 32,226,972 km (0.096 R)
• M24: 32,644,200 km (0.095 R)
• M25: 34,566,383 km (0.088 R)
• M26: 36,562,767 km (0.11 R)
• M27: 38,869,716 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149.8

Radius: 6.4

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 9.97 AU - 10.29 AU

Year: 22255 Days

Day: 24.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,225,575 km

• M1: 79,736 km (0.084 R)
• M2: 943,364 km (0.117 R)
• M3: 3,224,881 km (0.062 R)
• M4: 4,863,277 km (0.111 R)
• M5: 6,222,823 km (0.109 R)
• M6: 11,735,803 km (0.11 R)
• M7: 14,663,284 km (0.049 R)
• M8: 20,647,648 km (0.111 R)
• M9: 42,616,544 km (0.101 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 12,304 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit