🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.6

Radius: 9.5

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.93 AU - 1.47 AU

Year: 907 Days

Day: 6.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,283,543 km

• M1: 118,182 km (0.095 R)
• M2: 415,882 km (0.105 R)
• M3: 1,598,154 km (0.071 R)
• M4: 1,974,542 km (0.083 R)
• M5: 2,399,999 km (0.116 R)
• M6: 2,852,383 km (0.038 R)
• M7: 3,225,330 km (0.114 R)
• M8: 3,914,976 km (0.105 R)
• M9: 4,332,205 km (0.115 R)
• M10: 5,603,637 km (0.102 R)
• M11: 6,040,762 km (0.066 R)
• M12: 6,639,004 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.9

Radius: 8

Gravity: 14.92 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.5 AU - 1.98 AU

Year: 1584 Days

Day: 13 Hours

Environment

Temp: -205 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,283,543 km

• M1: 99,632 km (0.109 R)
• M2: 348,713 km (0.062 R)
• M3: 756,068 km (0.117 R)
• M4: 1,016,518 km (0.037 R)
• M5: 1,312,273 km (0.106 R)
• M6: 1,605,933 km (0.049 R)
• M7: 2,190,412 km (0.108 R)
• M8: 2,607,341 km (0.098 R)
• M9: 3,076,480 km (0.107 R)
• M10: 3,348,000 km (0.098 R)
• M11: 3,635,378 km (0.074 R)
• M12: 4,437,073 km (0.095 R)
• M13: 6,884,045 km (0.108 R)
• M14: 7,239,191 km (0.094 R)
• M15: 7,750,965 km (0.052 R)
• M16: 8,470,680 km (0.106 R)
• M17: 8,720,209 km (0.112 R)
• M18: 10,499,826 km (0.12 R)
• M19: 12,229,925 km (0.036 R)
• M20: 12,710,882 km (0.113 R)
• M21: 13,753,131 km (0.119 R)
• M22: 14,011,636 km (0.088 R)
• M23: 14,449,509 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.1

Radius: 9.1

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.17 AU - 3.59 AU

Year: 3374 Days

Day: 9.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,283,543 km

• M1: 307,723 km (0.043 R)
• M2: 699,968 km (0.111 R)
• M3: 2,215,245 km (0.088 R)
• M4: 2,516,535 km (0.066 R)
• M5: 4,543,886 km (0.105 R)
• M6: 8,550,416 km (0.054 R)
• M7: 9,688,556 km (0.071 R)
• M8: 11,601,016 km (0.095 R)
• M9: 12,993,323 km (0.097 R)
• M10: 13,981,417 km (0.114 R)
• M11: 14,683,181 km (0.027 R)
• M12: 17,458,820 km (0.063 R)
• M13: 18,107,925 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.8

Radius: 11.9

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.35 AU - 3.63 AU

Year: 4500 Days

Day: 12.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,283,543 km

• M1: 147,952 km (0.085 R)
• M2: 1,101,040 km (0.105 R)
• M3: 1,568,982 km (0.09 R)
• M4: 2,291,241 km (0.109 R)
• M5: 2,721,036 km (0.101 R)
• M6: 3,405,596 km (0.084 R)
• M7: 4,695,877 km (0.107 R)
• M8: 5,653,902 km (0.1 R)
• M9: 6,478,485 km (0.11 R)
• M10: 7,139,708 km (0.104 R)
• M11: 7,918,514 km (0.067 R)
• M12: 10,777,031 km (0.113 R)
• M13: 11,235,099 km (0.114 R)
• M14: 11,801,926 km (0.108 R)
• M15: 12,637,579 km (0.113 R)
• M16: 13,095,648 km (0.115 R)
• M17: 14,045,295 km (0.115 R)
• M18: 15,963,439 km (0.07 R)
• M19: 17,046,977 km (0.094 R)
• M20: 20,802,033 km (0.076 R)
• M21: 22,094,110 km (0.09 R)
• M22: 22,909,568 km (0.117 R)
• M23: 23,362,699 km (0.1 R)
• M24: 25,075,894 km (0.091 R)
• M25: 29,544,682 km (0.062 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 286.3

Radius: 5.4

Gravity: 9.82 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.64 AU - 7.72 AU

Year: 11917 Days

Day: 19.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 40,283,543 km

• M1: 67,768 km (0.096 R)
• M2: 301,739 km (0.085 R)
• M3: 489,634 km (0.118 R)
• M4: 680,521 km (0.07 R)
• M5: 1,110,166 km (0.041 R)
• M6: 1,372,710 km (0.098 R)
• M7: 2,038,869 km (0.025 R)
• M8: 3,264,674 km (0.107 R)
• M9: 4,007,278 km (0.115 R)
• M10: 7,475,854 km (0.093 R)
• M11: 8,242,992 km (0.047 R)
• M12: 8,495,962 km (0.056 R)
• M13: 8,710,486 km (0.08 R)
• M14: 10,315,970 km (0.062 R)
• M15: 13,451,691 km (0.069 R)
• M16: 13,920,531 km (0.098 R)
• M17: 16,429,885 km (0.043 R)
• M18: 17,582,238 km (0.118 R)
• M19: 18,071,872 km (0.069 R)
• M20: 22,485,458 km (0.102 R)
• M21: 23,228,959 km (0.097 R)
• M22: 23,480,433 km (0.095 R)
• M23: 24,331,794 km (0.042 R)
• M24: 25,115,388 km (0.099 R)
• M25: 25,291,764 km (0.071 R)
• M26: 29,482,748 km (0.065 R)
• M27: 34,547,683 km (0.079 R)
• M28: 37,802,784 km (0.059 R)
• M29: 38,383,822 km (0.116 R)
• M30: 39,922,735 km (0.05 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: 220 - 12,062 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit