🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.1

Radius: 8.2

Gravity: 14.03 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.46 AU - 1.5 AU

Year: 1181 Days

Day: 8.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,953,855 km

• M1: 102,475 km (0.082 R)
• M2: 638,633 km (0.115 R)
• M3: 973,284 km (0.052 R)
• M4: 1,285,794 km (0.119 R)
• M5: 1,684,322 km (0.12 R)
• M6: 2,510,402 km (0.086 R)
• M7: 3,362,661 km (0.106 R)
• M8: 4,934,935 km (0.092 R)
• M9: 5,410,207 km (0.116 R)
• M10: 6,215,343 km (0.078 R)
• M11: 7,623,059 km (0.062 R)
• M12: 8,344,120 km (0.082 R)
• M13: 9,293,169 km (0.058 R)
• M14: 9,635,449 km (0.064 R)
• M15: 10,883,095 km (0.046 R)
• M16: 12,722,551 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.6

Radius: 15

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.36 AU - 3.84 AU

Year: 4481 Days

Day: 8.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,953,855 km

• M1: 186,549 km (0.07 R)
• M2: 740,958 km (0.073 R)
• M3: 1,596,060 km (0.102 R)
• M4: 2,160,642 km (0.114 R)
• M5: 2,640,402 km (0.101 R)
• M6: 3,940,558 km (0.118 R)
• M7: 4,896,787 km (0.111 R)
• M8: 5,380,437 km (0.083 R)
• M9: 6,529,797 km (0.116 R)
• M10: 7,331,792 km (0.083 R)
• M11: 8,265,432 km (0.103 R)
• M12: 9,132,800 km (0.083 R)
• M13: 12,676,475 km (0.046 R)
• M14: 13,222,058 km (0.084 R)
• M15: 13,688,654 km (0.084 R)
• M16: 16,401,761 km (0.118 R)
• M17: 21,054,255 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.7

Radius: 10.5

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.65 AU - 3.71 AU

Year: 4631 Days

Day: 11.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,953,855 km

• M1: 130,599 km (0.069 R)
• M2: 791,373 km (0.098 R)
• M3: 1,130,810 km (0.088 R)
• M4: 1,482,066 km (0.093 R)
• M5: 2,293,934 km (0.035 R)
• M6: 3,677,265 km (0.057 R)
• M7: 4,036,599 km (0.103 R)
• M8: 4,512,919 km (0.097 R)
• M9: 5,077,501 km (0.094 R)
• M10: 5,688,609 km (0.119 R)
• M11: 8,416,825 km (0.106 R)
• M12: 8,894,042 km (0.097 R)
• M13: 10,857,215 km (0.114 R)
• M14: 11,334,881 km (0.073 R)
• M15: 12,566,820 km (0.032 R)
• M16: 14,294,077 km (0.103 R)
• M17: 14,921,191 km (0.062 R)
• M18: 15,566,556 km (0.073 R)
• M19: 16,286,571 km (0.111 R)
• M20: 18,396,349 km (0.097 R)
• M21: 20,029,360 km (0.098 R)
• M22: 20,419,511 km (0.089 R)
• M23: 21,215,072 km (0.112 R)
• M24: 22,727,058 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.7

Radius: 14.3

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.98 AU - 4.8 AU

Year: 6034 Days

Day: 14.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,953,855 km

• M1: 178,171 km (0.084 R)
• M2: 690,095 km (0.12 R)
• M3: 1,206,208 km (0.069 R)
• M4: 1,933,403 km (0.111 R)
• M5: 2,446,823 km (0.046 R)
• M6: 2,941,244 km (0.101 R)
• M7: 3,777,346 km (0.087 R)
• M8: 4,716,222 km (0.116 R)
• M9: 5,268,687 km (0.084 R)
• M10: 6,072,626 km (0.102 R)
• M11: 6,957,049 km (0.114 R)
• M12: 7,817,835 km (0.094 R)
• M13: 9,221,063 km (0.088 R)
• M14: 13,902,280 km (0.116 R)
• M15: 16,842,327 km (0.07 R)
• M16: 19,303,511 km (0.057 R)
• M17: 22,285,445 km (0.084 R)
• M18: 23,095,069 km (0.084 R)
• M19: 23,771,999 km (0.113 R)
• M20: 24,617,377 km (0.119 R)
• M21: 29,060,882 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 693.9

Radius: 5.5

Gravity: 22.94 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 6.62 AU - 10.5 AU

Year: 16429 Days

Day: 20.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,953,855 km

• M1: 69,264 km (0.109 R)
• M2: 472,131 km (0.119 R)
• M3: 1,139,936 km (0.116 R)
• M4: 2,262,518 km (0.111 R)
• M5: 4,958,721 km (0.098 R)
• M6: 5,355,005 km (0.115 R)
• M7: 5,542,003 km (0.082 R)
• M8: 7,613,185 km (0.086 R)
• M9: 8,539,046 km (0.097 R)
• M10: 10,788,699 km (0.06 R)
• M11: 13,611,611 km (0.049 R)
• M12: 21,308,571 km (0.117 R)
• M13: 32,211,713 km (0.112 R)
• M14: 39,050,430 km (0.091 R)
• M15: 39,754,886 km (0.079 R)
• M16: 42,806,533 km (0.113 R)
• M17: 52,719,935 km (0.085 R)
• M18: 58,205,091 km (0.111 R)
• M19: 58,755,312 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 172.7

Radius: 6.8

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 7.85 AU - 10.81 AU

Year: 18695 Days

Day: 16.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,953,855 km

• M1: 103,223 km (0.111 R)
• M2: 775,815 km (0.066 R)
• M3: 2,998,241 km (0.062 R)
• M4: 5,317,456 km (0.083 R)
• M5: 6,097,908 km (0.09 R)
• M6: 9,314,861 km (0.081 R)
• M7: 11,069,494 km (0.078 R)
• M8: 15,022,319 km (0.094 R)
• M9: 17,709,396 km (0.119 R)
• M10: 25,098,783 km (0.062 R)
• M11: 26,407,016 km (0.091 R)
• M12: 29,874,994 km (0.084 R)
• M13: 30,708,105 km (0.036 R)
• M14: 31,879,007 km (0.105 R)
• M15: 38,061,438 km (0.086 R)
• M16: 45,816,442 km (0.12 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 18,839 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit