🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.81 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.7

Radius: 14.1

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.56 AU - 1.68 AU

Year: 1449 Days

Day: 7.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,941,527 km

• M1: 175,329 km (0.088 R)
• M2: 822,639 km (0.093 R)
• M3: 1,617,602 km (0.065 R)
• M4: 2,992,406 km (0.047 R)
• M5: 3,940,707 km (0.102 R)
• M6: 5,024,095 km (0.114 R)
• M7: 6,728,164 km (0.104 R)
• M8: 9,593,861 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.7

Radius: 12.6

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.71 AU - 2.75 AU

Year: 2341 Days

Day: 6.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,941,527 km

• M1: 156,779 km (0.074 R)
• M2: 573,558 km (0.12 R)
• M3: 1,011,282 km (0.107 R)
• M4: 1,417,739 km (0.059 R)
• M5: 2,159,296 km (0.115 R)
• M6: 2,606,444 km (0.031 R)
• M7: 3,347,252 km (0.09 R)
• M8: 5,556,813 km (0.098 R)
• M9: 5,994,985 km (0.074 R)
• M10: 6,967,670 km (0.095 R)
• M11: 7,870,344 km (0.086 R)
• M12: 8,665,756 km (0.116 R)
• M13: 9,288,831 km (0.109 R)
• M14: 11,971,420 km (0.1 R)
• M15: 14,392,213 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.1

Radius: 14.6

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.39 AU - 2.91 AU

Year: 3032 Days

Day: 7.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,941,527 km

• M1: 181,761 km (0.119 R)
• M2: 647,908 km (0.116 R)
• M3: 1,153,549 km (0.076 R)
• M4: 2,021,965 km (0.119 R)
• M5: 2,505,166 km (0.101 R)
• M6: 3,259,887 km (0.088 R)
• M7: 4,813,611 km (0.081 R)
• M8: 5,689,506 km (0.051 R)
• M9: 6,292,834 km (0.114 R)
• M10: 7,531,804 km (0.079 R)
• M11: 9,293,319 km (0.116 R)
• M12: 10,132,713 km (0.116 R)
• M13: 11,063,810 km (0.084 R)
• M14: 12,095,437 km (0.039 R)
• M15: 13,003,346 km (0.104 R)
• M16: 15,368,040 km (0.086 R)
• M17: 15,841,517 km (0.082 R)
• M18: 17,718,821 km (0.094 R)
• M19: 18,890,172 km (0.094 R)
• M20: 20,050,154 km (0.098 R)
• M21: 22,377,897 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.6

Radius: 14.4

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.31 AU - 3.37 AU

Year: 3364 Days

Day: 12.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,941,527 km

• M1: 187,745 km (0.094 R)
• M2: 914,342 km (0.11 R)
• M3: 1,479,074 km (0.117 R)
• M4: 2,130,722 km (0.088 R)
• M5: 4,250,823 km (0.075 R)
• M6: 4,898,433 km (0.114 R)
• M7: 6,421,040 km (0.057 R)
• M8: 6,943,286 km (0.117 R)
• M9: 8,511,072 km (0.109 R)
• M10: 9,250,983 km (0.08 R)
• M11: 10,500,125 km (0.074 R)
• M12: 12,873,495 km (0.039 R)
• M13: 18,139,340 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.4

Radius: 9.6

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.41 AU - 3.37 AU

Year: 3453 Days

Day: 5.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 29,941,527 km

• M1: 119,379 km (0.098 R)
• M2: 621,878 km (0.088 R)
• M3: 1,616,106 km (0.084 R)
• M4: 1,940,135 km (0.074 R)
• M5: 2,973,108 km (0.108 R)
• M6: 3,369,991 km (0.091 R)
• M7: 3,761,190 km (0.034 R)
• M8: 4,204,598 km (0.075 R)
• M9: 5,272,727 km (0.037 R)
• M10: 6,365,838 km (0.098 R)
• M11: 7,473,012 km (0.074 R)
• M12: 8,739,956 km (0.031 R)
• M13: 9,519,810 km (0.102 R)
• M14: 10,589,734 km (0.12 R)
• M15: 11,389,484 km (0.069 R)
• M16: 17,225,447 km (0.118 R)
• M17: 19,359,012 km (0.119 R)
• M18: 20,107,749 km (0.072 R)
• M19: 21,662,819 km (0.105 R)
• M20: 23,506,463 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 44.4

Radius: 7.3

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 7.02 AU - 11.24 AU

Year: 19392 Days

Day: 21.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 29,941,527 km

• M1: 90,956 km (0.092 R)
• M2: 826,379 km (0.112 R)
• M3: 1,106,127 km (0.111 R)
• M4: 1,426,266 km (0.09 R)
• M5: 1,703,022 km (0.117 R)
• M6: 2,382,346 km (0.105 R)
• M7: 2,633,521 km (0.096 R)
• M8: 4,843,680 km (0.059 R)
• M9: 5,561,002 km (0.084 R)
• M10: 6,284,008 km (0.065 R)
• M11: 7,136,417 km (0.067 R)
• M12: 8,711,832 km (0.105 R)
• M13: 9,394,297 km (0.095 R)
• M14: 11,513,351 km (0.118 R)
• M15: 12,633,690 km (0.073 R)
• M16: 14,530,740 km (0.055 R)
• M17: 14,808,394 km (0.117 R)
• M18: 23,487,165 km (0.08 R)
• M19: 24,726,434 km (0.06 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: 482 - 13,580 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit