🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

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: 511.8

Radius: 8.9

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.45 AU - 0.65 AU

Year: 282 Days

Day: 8.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 87,416,593 km

• M1: 110,702 km (0.094 R)
• M2: 417,677 km (0.077 R)
• M3: 906,563 km (0.071 R)
• M4: 1,368,970 km (0.106 R)
• M5: 1,703,471 km (0.078 R)
• M6: 2,439,193 km (0.103 R)
• M7: 2,751,254 km (0.112 R)
• M8: 3,199,001 km (0.104 R)
• M9: 3,716,759 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.5

Radius: 14.5

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.69 AU - 0.83 AU

Year: 457 Days

Day: 12.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 87,416,593 km

• M1: 181,911 km (0.091 R)
• M2: 684,111 km (0.069 R)
• M3: 1,184,217 km (0.077 R)
• M4: 1,694,794 km (0.099 R)
• M5: 2,222,576 km (0.107 R)
• M6: 2,988,367 km (0.09 R)
• M7: 4,248,430 km (0.09 R)
• M8: 4,767,535 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.5

Radius: 13.8

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.92 AU - 4.28 AU

Year: 5730 Days

Day: 13.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,416,593 km

• M1: 179,517 km (0.055 R)
• M2: 798,404 km (0.044 R)
• M3: 1,700,928 km (0.095 R)
• M4: 2,144,934 km (0.097 R)
• M5: 3,475,009 km (0.088 R)
• M6: 3,974,217 km (0.091 R)
• M7: 4,440,214 km (0.091 R)
• M8: 4,899,480 km (0.059 R)
• M9: 8,548,172 km (0.055 R)
• M10: 10,518,525 km (0.097 R)
• M11: 12,569,512 km (0.063 R)
• M12: 16,152,232 km (0.111 R)
• M13: 16,693,028 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.2

Radius: 13

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.05 AU - 5.79 AU

Year: 7533 Days

Day: 10 Hours

Environment

Temp: -226 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 87,416,593 km

• M1: 161,715 km (0.08 R)
• M2: 578,495 km (0.116 R)
• M3: 1,096,104 km (0.051 R)
• M4: 1,556,416 km (0.116 R)
• M5: 2,575,327 km (0.076 R)
• M6: 4,600,583 km (0.105 R)
• M7: 5,233,831 km (0.086 R)
• M8: 6,341,454 km (0.03 R)
• M9: 6,881,502 km (0.116 R)
• M10: 8,327,665 km (0.087 R)
• M11: 9,614,805 km (0.106 R)
• M12: 10,982,877 km (0.086 R)
• M13: 11,763,629 km (0.066 R)
• M14: 12,685,899 km (0.103 R)
• M15: 15,926,339 km (0.11 R)
• M16: 17,248,186 km (0.1 R)
• M17: 19,053,533 km (0.081 R)
• M18: 21,727,894 km (0.106 R)
• M19: 22,337,505 km (0.087 R)
• M20: 24,316,386 km (0.094 R)
• M21: 25,223,099 km (0.091 R)
• M22: 29,817,548 km (0.1 R)
• M23: 30,286,837 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 518.8

Radius: 7

Gravity: 10.59 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 8.15 AU - 8.61 AU

Year: 16745 Days

Day: 18.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 102.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 87,416,593 km

• M1: 87,066 km (0.098 R)
• M2: 353,500 km (0.078 R)
• M3: 937,530 km (0.083 R)
• M4: 1,650,513 km (0.092 R)
• M5: 2,613,475 km (0.086 R)
• M6: 3,054,190 km (0.098 R)
• M7: 3,357,425 km (0.091 R)
• M8: 3,995,161 km (0.096 R)
• M9: 4,389,650 km (0.078 R)
• M10: 4,809,871 km (0.089 R)
• M11: 5,186,259 km (0.081 R)
• M12: 10,547,996 km (0.055 R)
• M13: 12,278,245 km (0.107 R)
• M14: 15,179,696 km (0.082 R)
• M15: 15,765,671 km (0.086 R)
• M16: 21,189,641 km (0.044 R)
• M17: 23,532,343 km (0.083 R)
• M18: 27,847,494 km (0.117 R)
• M19: 29,170,986 km (0.071 R)
• M20: 32,904,351 km (0.036 R)
• M21: 34,133,297 km (0.096 R)
• M22: 38,137,434 km (0.042 R)
• M23: 46,602,280 km (0.072 R)
• M24: 47,994,587 km (0.109 R)
• M25: 54,179,562 km (0.083 R)
• M26: 55,030,923 km (0.108 R)
• M27: 55,891,260 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 809.8

Radius: 7.1

Gravity: 16.06 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 7.73 AU - 12.77 AU

Year: 22652 Days

Day: 21 Hours

Environment

Temp: -243 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 87,416,593 km

• M1: 88,263 km (0.065 R)
• M2: 327,919 km (0.079 R)
• M3: 755,918 km (0.103 R)
• M4: 1,469,201 km (0.043 R)
• M5: 2,639,804 km (0.078 R)
• M6: 2,949,920 km (0.039 R)
• M7: 4,693,484 km (0.101 R)
• M8: 4,918,180 km (0.105 R)
• M9: 11,740,740 km (0.038 R)
• M10: 12,086,162 km (0.081 R)
• M11: 12,509,524 km (0.09 R)
• M12: 13,089,514 km (0.106 R)
• M13: 13,687,158 km (0.112 R)
• M14: 14,069,829 km (0.109 R)
• M15: 16,260,840 km (0.081 R)
• M16: 16,776,952 km (0.111 R)
• M17: 22,133,155 km (0.108 R)
• M18: 23,850,089 km (0.119 R)
• M19: 25,769,729 km (0.102 R)
• M20: 27,668,425 km (0.082 R)
• M21: 30,558,357 km (0.076 R)
• M22: 33,229,726 km (0.078 R)
• M23: 37,971,081 km (0.079 R)
• M24: 38,879,140 km (0.072 R)
• M25: 47,537,117 km (0.103 R)
• M26: 50,564,828 km (0.113 R)
• M27: 57,792,799 km (0.084 R)
• M28: 69,204,573 km (0.072 R)
• M29: 74,961,399 km (0.109 R)
• M30: 76,389,011 km (0.083 R)
• M31: 81,528,446 km (0.104 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 14,469 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit