🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.1

Radius: 12.4

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.64 AU - 0.78 AU

Year: 386 Days

Day: 5.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 17,517,208 km

• M1: 154,235 km (0.079 R)
• M2: 567,724 km (0.038 R)
• M3: 1,495,680 km (0.105 R)
• M4: 1,902,436 km (0.088 R)
• M5: 2,570,839 km (0.109 R)
• M6: 2,993,304 km (0.102 R)
• M7: 3,545,170 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.7

Radius: 9.3

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.77 AU - 0.99 AU

Year: 533 Days

Day: 7.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 17,517,208 km

• M1: 116,238 km (0.059 R)
• M2: 499,208 km (0.082 R)
• M3: 829,520 km (0.048 R)
• M4: 1,274,424 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.7

Radius: 10.5

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.91 AU - 0.95 AU

Year: 579 Days

Day: 11.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 17,517,208 km

• M1: 130,599 km (0.045 R)
• M2: 483,650 km (0.091 R)
• M3: 1,055,862 km (0.09 R)
• M4: 1,392,158 km (0.104 R)
• M5: 2,069,836 km (0.107 R)
• M6: 2,467,467 km (0.08 R)
• M7: 2,915,962 km (0.077 R)
• M8: 3,269,162 km (0.073 R)
• M9: 3,870,845 km (0.088 R)
• M10: 4,299,144 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.8

Radius: 9.2

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.24 AU - 1.86 AU

Year: 1246 Days

Day: 11.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 17,517,208 km

• M1: 115,041 km (0.111 R)
• M2: 579,243 km (0.09 R)
• M3: 1,083,537 km (0.078 R)
• M4: 1,371,064 km (0.104 R)
• M5: 1,674,299 km (0.065 R)
• M6: 1,971,401 km (0.089 R)
• M7: 2,763,222 km (0.11 R)
• M8: 3,125,848 km (0.118 R)
• M9: 4,030,167 km (0.114 R)
• M10: 4,736,269 km (0.103 R)
• M11: 5,158,434 km (0.088 R)
• M12: 6,347,587 km (0.114 R)
• M13: 6,957,947 km (0.119 R)
• M14: 7,352,735 km (0.08 R)
• M15: 7,814,544 km (0.099 R)
• M16: 8,160,115 km (0.115 R)
• M17: 8,796,504 km (0.102 R)
• M18: 9,495,426 km (0.119 R)
• M19: 9,858,500 km (0.096 R)
• M20: 10,420,539 km (0.084 R)
• M21: 11,103,004 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.2

Radius: 12.5

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.46 AU - 2.88 AU

Year: 2817 Days

Day: 11.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 17,517,208 km

• M1: 156,180 km (0.108 R)
• M2: 715,975 km (0.105 R)
• M3: 1,121,236 km (0.095 R)
• M4: 1,581,100 km (0.063 R)
• M5: 2,030,492 km (0.101 R)
• M6: 2,474,498 km (0.065 R)
• M7: 3,013,200 km (0.093 R)
• M8: 3,976,910 km (0.042 R)
• M9: 4,366,313 km (0.075 R)
• M10: 5,200,770 km (0.073 R)
• M11: 6,509,003 km (0.097 R)
• M12: 7,213,460 km (0.078 R)
• M13: 7,739,147 km (0.107 R)
• M14: 8,320,035 km (0.056 R)
• M15: 9,766,946 km (0.083 R)
• M16: 10,411,264 km (0.093 R)
• M17: 10,868,285 km (0.068 R)
• M18: 12,127,451 km (0.088 R)
• M19: 12,752,620 km (0.061 R)
• M20: 13,276,362 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.6

Radius: 14.8

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.54 AU - 2.88 AU

Year: 2881 Days

Day: 7.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 17,517,208 km

• M1: 184,005 km (0.065 R)
• M2: 876,494 km (0.113 R)
• M3: 1,684,173 km (0.119 R)
• M4: 2,778,631 km (0.115 R)
• M5: 3,443,145 km (0.102 R)
• M6: 5,328,975 km (0.106 R)
• M7: 6,806,254 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891.7

Radius: 6.4

Gravity: 21.77 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 8.01 AU - 8.85 AU

Year: 15804 Days

Day: 19.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 17,517,208 km

• M1: 79,586 km (0.069 R)
• M2: 422,016 km (0.056 R)
• M3: 814,411 km (0.118 R)
• M4: 2,514,441 km (0.035 R)
• M5: 3,941,006 km (0.117 R)
• M6: 5,039,952 km (0.116 R)
• M7: 5,372,209 km (0.086 R)
• M8: 7,028,706 km (0.031 R)
• M9: 7,490,814 km (0.083 R)
• M10: 10,579,711 km (0.114 R)
• M11: 11,373,029 km (0.051 R)
• M12: 17,148,254 km (0.111 R)
• M13: 18,499,572 km (0.101 R)
• M14: 19,201,186 km (0.053 R)
• M15: 21,317,248 km (0.1 R)
• M16: 21,604,176 km (0.11 R)
• M17: 22,877,703 km (0.088 R)
• M18: 26,886,178 km (0.089 R)
• M19: 27,221,277 km (0.112 R)
• M20: 27,446,273 km (0.11 R)
• M21: 29,526,730 km (0.071 R)
• M22: 34,785,694 km (0.074 R)
• M23: 37,774,360 km (0.112 R)
• M24: 39,474,689 km (0.108 R)
• M25: 42,270,075 km (0.114 R)
• M26: 54,773,016 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 10.1

Radius: 5.4

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 7.57 AU - 10.95 AU

Year: 18194 Days

Day: 22.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 17,517,208 km

• M1: 67,169 km (0.112 R)
• M2: 2,409,274 km (0.1 R)
• M3: 10,080,952 km (0.062 R)
• M4: 11,757,345 km (0.105 R)
• M5: 16,491,071 km (0.063 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 152 - 16,802 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit