🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

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: 637.2

Radius: 14.2

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.54 AU - 0.56 AU

Year: 272 Days

Day: 7.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 77,355,054 km

• M1: 176,525 km (0.115 R)
• M2: 639,232 km (0.092 R)
• M3: 1,244,654 km (0.08 R)
• M4: 2,056,971 km (0.075 R)
• M5: 2,711,312 km (0.089 R)
• M6: 3,631,638 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.6

Radius: 13.9

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.8 AU - 0.82 AU

Year: 486 Days

Day: 6.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,355,054 km

• M1: 172,935 km (0.06 R)
• M2: 644,318 km (0.107 R)
• M3: 1,278,314 km (0.078 R)
• M4: 2,383,842 km (0.09 R)
• M5: 2,993,304 km (0.094 R)
• M6: 3,439,704 km (0.1 R)
• M7: 3,998,901 km (0.103 R)
• M8: 5,385,673 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.6

Radius: 14.1

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.98 AU - 1.02 AU

Year: 667 Days

Day: 13 Hours

Environment

Temp: -168 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,355,054 km

• M1: 175,478 km (0.114 R)
• M2: 744,100 km (0.117 R)
• M3: 1,419,385 km (0.073 R)
• M4: 1,911,711 km (0.112 R)
• M5: 2,368,134 km (0.118 R)
• M6: 2,852,981 km (0.072 R)
• M7: 3,468,726 km (0.103 R)
• M8: 3,970,178 km (0.101 R)
• M9: 4,412,090 km (0.097 R)
• M10: 5,036,212 km (0.11 R)
• M11: 6,704,079 km (0.116 R)
• M12: 7,248,466 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.4

Radius: 14.3

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.36 AU - 3.14 AU

Year: 3041 Days

Day: 11.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,355,054 km

• M1: 178,021 km (0.062 R)
• M2: 675,285 km (0.089 R)
• M3: 1,995,336 km (0.091 R)
• M4: 2,656,709 km (0.109 R)
• M5: 3,111,037 km (0.061 R)
• M6: 4,267,578 km (0.072 R)
• M7: 4,994,624 km (0.047 R)
• M8: 6,517,381 km (0.047 R)
• M9: 9,279,706 km (0.063 R)
• M10: 9,819,604 km (0.109 R)
• M11: 10,421,137 km (0.084 R)
• M12: 11,698,404 km (0.103 R)
• M13: 13,560,748 km (0.114 R)
• M14: 16,047,962 km (0.093 R)
• M15: 16,940,912 km (0.109 R)
• M16: 18,401,884 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.5

Radius: 10.4

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.68 AU - 3.24 AU

Year: 3396 Days

Day: 9.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,355,054 km

• M1: 134,488 km (0.073 R)
• M2: 491,130 km (0.103 R)
• M3: 874,400 km (0.117 R)
• M4: 1,800,111 km (0.09 R)
• M5: 3,792,156 km (0.06 R)
• M6: 4,395,634 km (0.05 R)
• M7: 5,110,562 km (0.078 R)
• M8: 5,585,835 km (0.103 R)
• M9: 8,419,368 km (0.075 R)
• M10: 10,281,114 km (0.075 R)
• M11: 10,716,144 km (0.086 R)
• M12: 11,163,442 km (0.055 R)
• M13: 11,793,399 km (0.074 R)
• M14: 12,270,317 km (0.034 R)
• M15: 12,670,042 km (0.094 R)
• M16: 13,636,594 km (0.1 R)
• M17: 16,294,200 km (0.071 R)
• M18: 18,342,494 km (0.1 R)
• M19: 18,983,222 km (0.106 R)
• M20: 21,121,574 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 152.7

Radius: 3.7

Gravity: 11.15 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 7.49 AU - 10.89 AU

Year: 18578 Days

Day: 24.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,355,054 km

• M1: 46,675 km (0.114 R)
• M2: 239,506 km (0.068 R)
• M3: 835,055 km (0.09 R)
• M4: 2,110,228 km (0.106 R)
• M5: 2,491,852 km (0.087 R)
• M6: 4,261,295 km (0.104 R)
• M7: 4,778,006 km (0.049 R)
• M8: 6,251,097 km (0.09 R)
• M9: 10,452,403 km (0.07 R)
• M10: 21,189,491 km (0.062 R)
• M11: 24,415,420 km (0.06 R)
• M12: 30,150,852 km (0.068 R)
• M13: 30,356,101 km (0.119 R)
• M14: 42,361,629 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 543.6

Radius: 3.2

Gravity: 53.09 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 9.15 AU - 12.05 AU

Year: 23014 Days

Day: 21.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,355,054 km

• M1: 41,887 km (0.112 R)
• M2: 256,560 km (0.115 R)
• M3: 399,875 km (0.085 R)
• M4: 561,740 km (0.102 R)
• M5: 1,414,448 km (0.095 R)
• M6: 1,773,632 km (0.109 R)
• M7: 1,925,474 km (0.07 R)
• M8: 2,106,488 km (0.106 R)
• M9: 3,557,587 km (0.113 R)
• M10: 5,368,469 km (0.088 R)
• M11: 9,135,792 km (0.119 R)
• M12: 24,350,195 km (0.11 R)
• M13: 27,946,229 km (0.107 R)
• M14: 32,267,363 km (0.043 R)
• M15: 38,887,667 km (0.045 R)
• M16: 40,824,661 km (0.119 R)
• M17: 42,513,172 km (0.099 R)
• M18: 54,544,730 km (0.058 R)
• M19: 71,260,048 km (0.104 R)
• M20: 73,478,585 km (0.07 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 278 - 15,312 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit