🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.8

Radius: 8.3

Gravity: 9.84 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.65 AU - 1.05 AU

Year: 523 Days

Day: 7.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,180,322 km

• M1: 103,223 km (0.104 R)
• M2: 361,578 km (0.065 R)
• M3: 625,768 km (0.112 R)
• M4: 900,430 km (0.083 R)
• M5: 1,301,352 km (0.099 R)
• M6: 1,685,070 km (0.079 R)
• M7: 2,271,943 km (0.032 R)
• M8: 2,566,950 km (0.064 R)
• M9: 3,022,924 km (0.117 R)
• M10: 3,740,695 km (0.091 R)
• M11: 4,416,728 km (0.088 R)
• M12: 5,171,748 km (0.034 R)
• M13: 5,632,809 km (0.106 R)
• M14: 6,346,839 km (0.094 R)
• M15: 6,656,656 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.3

Radius: 8.3

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.25 AU - 1.45 AU

Year: 1046 Days

Day: 7.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,180,322 km

• M1: 103,223 km (0.053 R)
• M2: 489,035 km (0.083 R)
• M3: 748,289 km (0.091 R)
• M4: 1,035,816 km (0.1 R)
• M5: 1,361,191 km (0.103 R)
• M6: 2,212,253 km (0.12 R)
• M7: 2,629,332 km (0.088 R)
• M8: 3,020,531 km (0.101 R)
• M9: 3,338,875 km (0.106 R)
• M10: 3,965,989 km (0.093 R)
• M11: 4,266,980 km (0.092 R)
• M12: 4,861,781 km (0.088 R)
• M13: 5,225,902 km (0.06 R)
• M14: 5,666,917 km (0.105 R)
• M15: 6,385,436 km (0.072 R)
• M16: 7,928,687 km (0.093 R)
• M17: 9,177,081 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.6

Radius: 12.5

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.25 AU - 1.65 AU

Year: 1164 Days

Day: 13.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,180,322 km

• M1: 155,432 km (0.047 R)
• M2: 555,457 km (0.085 R)
• M3: 978,071 km (0.1 R)
• M4: 1,489,097 km (0.091 R)
• M5: 2,017,926 km (0.119 R)
• M6: 2,918,206 km (0.105 R)
• M7: 3,645,700 km (0.082 R)
• M8: 4,347,464 km (0.052 R)
• M9: 5,462,716 km (0.076 R)
• M10: 7,481,390 km (0.083 R)
• M11: 8,701,510 km (0.092 R)
• M12: 9,107,070 km (0.092 R)
• M13: 9,646,968 km (0.117 R)
• M14: 10,368,030 km (0.095 R)
• M15: 10,890,426 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.4

Radius: 14.1

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.5 AU - 2.4 AU

Year: 1816 Days

Day: 9.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,180,322 km

• M1: 175,478 km (0.114 R)
• M2: 955,781 km (0.111 R)
• M3: 1,444,966 km (0.046 R)
• M4: 2,206,868 km (0.1 R)
• M5: 2,871,830 km (0.105 R)
• M6: 3,623,410 km (0.106 R)
• M7: 4,299,592 km (0.091 R)
• M8: 5,402,727 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 156.9

Radius: 5.8

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 5.84 AU - 6.54 AU

Year: 10270 Days

Day: 19.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,180,322 km

• M1: 72,256 km (0.118 R)
• M2: 270,024 km (0.106 R)
• M3: 483,800 km (0.093 R)
• M4: 691,441 km (0.08 R)
• M5: 1,508,395 km (0.119 R)
• M6: 1,866,084 km (0.071 R)
• M7: 2,124,589 km (0.093 R)
• M8: 3,706,138 km (0.12 R)
• M9: 4,235,415 km (0.11 R)
• M10: 4,531,020 km (0.049 R)
• M11: 5,943,075 km (0.068 R)
• M12: 6,536,978 km (0.104 R)
• M13: 7,769,665 km (0.106 R)
• M14: 9,150,004 km (0.119 R)
• M15: 12,042,479 km (0.118 R)
• M16: 15,035,783 km (0.096 R)
• M17: 18,040,456 km (0.117 R)
• M18: 20,022,927 km (0.107 R)
• M19: 23,566,003 km (0.083 R)
• M20: 24,181,449 km (0.058 R)
• M21: 29,056,095 km (0.112 R)
• M22: 29,497,110 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 883.2

Radius: 6.2

Gravity: 22.98 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 6.63 AU - 7.13 AU

Year: 12034 Days

Day: 22.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 52,180,322 km

• M1: 78,090 km (0.107 R)
• M2: 318,494 km (0.054 R)
• M3: 623,075 km (0.106 R)
• M4: 1,020,407 km (0.104 R)
• M5: 1,668,615 km (0.109 R)
• M6: 1,867,430 km (0.091 R)
• M7: 2,435,154 km (0.049 R)
• M8: 2,759,183 km (0.044 R)
• M9: 3,573,744 km (0.09 R)
• M10: 5,377,295 km (0.095 R)
• M11: 7,578,927 km (0.114 R)
• M12: 9,002,800 km (0.106 R)
• M13: 9,514,724 km (0.077 R)
• M14: 9,777,866 km (0.104 R)
• M15: 10,596,466 km (0.039 R)
• M16: 10,993,648 km (0.1 R)
• M17: 14,330,878 km (0.119 R)
• M18: 14,676,748 km (0.059 R)
• M19: 21,174,980 km (0.044 R)
• M20: 22,355,158 km (0.1 R)
• M21: 25,648,256 km (0.111 R)
• M22: 26,158,384 km (0.068 R)
• M23: 26,571,275 km (0.032 R)
• M24: 30,371,360 km (0.083 R)
• M25: 30,598,898 km (0.115 R)
• M26: 36,920,754 km (0.1 R)
• M27: 38,493,926 km (0.09 R)
• M28: 41,214,213 km (0.076 R)
• M29: 42,763,748 km (0.025 R)
• M30: 43,914,904 km (0.066 R)
• M31: 44,205,722 km (0.118 R)
• M32: 46,128,503 km (0.104 R)
• M33: 48,260,572 km (0.067 R)
• M34: 53,379,063 km (0.027 R)
• M35: 57,620,911 km (0.118 R)

Asteroid Belt

Center: 7.33 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 422

Radius: 4.8

Gravity: 18.32 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 6.34 AU - 9.22 AU

Year: 14471 Days

Day: 16.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,180,322 km

• M1: 60,288 km (0.089 R)
• M2: 269,276 km (0.097 R)
• M3: 622,327 km (0.075 R)
• M4: 986,448 km (0.109 R)
• M5: 1,932,804 km (0.053 R)
• M6: 4,439,317 km (0.116 R)
• M7: 6,535,781 km (0.087 R)
• M8: 7,346,003 km (0.105 R)
• M9: 11,831,995 km (0.107 R)
• M10: 14,908,325 km (0.11 R)
• M11: 17,181,764 km (0.117 R)
• M12: 22,224,409 km (0.094 R)
• M13: 25,080,083 km (0.053 R)
• M14: 30,403,374 km (0.072 R)
• M15: 32,865,605 km (0.104 R)
• M16: 37,175,968 km (0.053 R)
• M17: 45,171,376 km (0.043 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 530 - 16,914 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit