🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381

Radius: 13.3

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.11 AU - 1.55 AU

Year: 990 Days

Day: 6.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,979,520 km

• M1: 165,455 km (0.097 R)
• M2: 787,034 km (0.059 R)
• M3: 1,355,656 km (0.047 R)
• M4: 1,830,031 km (0.108 R)
• M5: 2,283,611 km (0.07 R)
• M6: 2,720,886 km (0.097 R)
• M7: 3,599,923 km (0.089 R)
• M8: 4,016,104 km (0.117 R)
• M9: 4,660,273 km (0.109 R)
• M10: 6,136,056 km (0.055 R)
• M11: 6,586,196 km (0.04 R)
• M12: 7,014,644 km (0.083 R)
• M13: 8,339,184 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.5

Radius: 10.8

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.47 AU - 1.57 AU

Year: 1210 Days

Day: 8.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,979,520 km

• M1: 134,488 km (0.05 R)
• M2: 517,459 km (0.12 R)
• M3: 972,386 km (0.069 R)
• M4: 1,402,929 km (0.049 R)
• M5: 1,764,956 km (0.08 R)
• M6: 2,218,836 km (0.086 R)
• M7: 3,186,883 km (0.1 R)
• M8: 4,171,686 km (0.086 R)
• M9: 4,573,656 km (0.088 R)
• M10: 5,052,518 km (0.112 R)
• M11: 5,528,090 km (0.076 R)
• M12: 6,091,476 km (0.119 R)
• M13: 6,610,431 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.4

Radius: 12.2

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.91 AU - 3.17 AU

Year: 2614 Days

Day: 13.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,979,520 km

• M1: 153,338 km (0.054 R)
• M2: 692,638 km (0.036 R)
• M3: 1,214,585 km (0.091 R)
• M4: 1,699,731 km (0.031 R)
• M5: 2,953,960 km (0.107 R)
• M6: 4,913,243 km (0.111 R)
• M7: 6,503,618 km (0.069 R)
• M8: 7,495,302 km (0.104 R)
• M9: 8,143,958 km (0.063 R)
• M10: 11,578,726 km (0.091 R)
• M11: 13,263,646 km (0.054 R)
• M12: 14,507,104 km (0.048 R)
• M13: 17,114,445 km (0.084 R)
• M14: 19,056,674 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363

Radius: 11.1

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.73 AU - 3.23 AU

Year: 3322 Days

Day: 14.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,979,520 km

• M1: 138,079 km (0.062 R)
• M2: 565,480 km (0.069 R)
• M3: 964,158 km (0.039 R)
• M4: 1,392,158 km (0.106 R)
• M5: 1,970,802 km (0.12 R)
• M6: 2,460,137 km (0.11 R)
• M7: 3,143,650 km (0.052 R)
• M8: 3,557,737 km (0.098 R)
• M9: 4,047,370 km (0.107 R)
• M10: 4,603,126 km (0.099 R)
• M11: 5,279,758 km (0.094 R)
• M12: 5,741,716 km (0.095 R)
• M13: 7,928,238 km (0.036 R)
• M14: 8,405,007 km (0.106 R)
• M15: 10,171,159 km (0.094 R)
• M16: 10,927,077 km (0.089 R)
• M17: 11,518,288 km (0.079 R)
• M18: 12,937,523 km (0.074 R)
• M19: 16,475,214 km (0.119 R)
• M20: 17,305,781 km (0.101 R)
• M21: 18,603,692 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 206.7

Radius: 7.5

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.23 AU - 6.99 AU

Year: 9752 Days

Day: 24.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 63,979,520 km

• M1: 93,199 km (0.071 R)
• M2: 389,403 km (0.091 R)
• M3: 800,199 km (0.11 R)
• M4: 1,069,176 km (0.08 R)
• M5: 1,365,380 km (0.087 R)
• M6: 1,992,045 km (0.07 R)
• M7: 2,670,172 km (0.12 R)
• M8: 3,303,719 km (0.084 R)
• M9: 4,628,708 km (0.117 R)
• M10: 6,868,038 km (0.113 R)
• M11: 7,354,381 km (0.049 R)
• M12: 7,715,510 km (0.09 R)
• M13: 8,050,609 km (0.039 R)
• M14: 8,750,129 km (0.107 R)
• M15: 10,358,905 km (0.082 R)
• M16: 10,629,826 km (0.119 R)
• M17: 14,150,463 km (0.071 R)
• M18: 16,051,852 km (0.085 R)
• M19: 16,598,632 km (0.047 R)
• M20: 17,094,997 km (0.096 R)
• M21: 20,073,341 km (0.095 R)
• M22: 20,994,266 km (0.117 R)
• M23: 21,428,698 km (0.12 R)
• M24: 22,692,202 km (0.083 R)
• M25: 23,925,935 km (0.111 R)
• M26: 27,548,747 km (0.106 R)
• M27: 28,508,417 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 101.5

Radius: 3.7

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 9.01 AU - 9.51 AU

Year: 18194 Days

Day: 23.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 63,979,520 km

• M1: 48,769 km (0.06 R)
• M2: 231,578 km (0.09 R)
• M3: 405,709 km (0.1 R)
• M4: 664,663 km (0.112 R)
• M5: 866,022 km (0.083 R)
• M6: 1,055,263 km (0.074 R)
• M7: 1,181,674 km (0.049 R)
• M8: 2,268,502 km (0.058 R)
• M9: 2,783,717 km (0.103 R)
• M10: 3,350,693 km (0.073 R)
• M11: 4,221,502 km (0.087 R)
• M12: 7,112,032 km (0.082 R)
• M13: 8,365,513 km (0.107 R)
• M14: 8,658,126 km (0.108 R)
• M15: 9,851,020 km (0.067 R)
• M16: 10,510,746 km (0.109 R)
• M17: 14,079,703 km (0.055 R)
• M18: 15,037,578 km (0.1 R)
• M19: 15,160,248 km (0.08 R)
• M20: 15,974,210 km (0.12 R)
• M21: 20,260,040 km (0.112 R)
• M22: 20,409,787 km (0.118 R)
• M23: 20,711,376 km (0.055 R)
• M24: 21,169,445 km (0.097 R)
• M25: 21,790,725 km (0.106 R)
• M26: 23,151,018 km (0.082 R)
• M27: 26,394,450 km (0.032 R)
• M28: 27,386,882 km (0.111 R)
• M29: 32,416,961 km (0.077 R)
• M30: 33,974,574 km (0.106 R)
• M31: 36,348,393 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.4

Radius: 6.7

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 9.15 AU - 11.75 AU

Year: 21812 Days

Day: 21.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,979,520 km

• M1: 274,063 km (0.092 R)
• M2: 521,648 km (0.043 R)
• M3: 801,545 km (0.114 R)
• M4: 1,657,844 km (0.09 R)
• M5: 2,276,730 km (0.095 R)
• M6: 2,485,569 km (0.072 R)
• M7: 3,164,893 km (0.111 R)
• M8: 9,649,960 km (0.118 R)
• M9: 10,772,094 km (0.096 R)
• M10: 12,941,113 km (0.042 R)
• M11: 18,203,817 km (0.089 R)
• M12: 18,958,837 km (0.069 R)
• M13: 26,080,743 km (0.113 R)
• M14: 27,039,516 km (0.058 R)
• M15: 27,255,685 km (0.117 R)
• M16: 33,664,458 km (0.107 R)
• M17: 35,313,625 km (0.059 R)
• M18: 47,601,444 km (0.061 R)
• M19: 48,711,460 km (0.045 R)
• M20: 49,192,417 km (0.078 R)
• M21: 56,614,566 km (0.108 R)
• M22: 62,081,770 km (0.09 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: 187 - 18,762 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit