🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.2 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715

Radius: 8.6

Gravity: 9.67 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.24 AU - 2.56 AU

Year: 2522 Days

Day: 10.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,486,489 km

• M1: 106,962 km (0.104 R)
• M2: 377,136 km (0.104 R)
• M3: 733,478 km (0.066 R)
• M4: 1,149,360 km (0.067 R)
• M5: 1,567,786 km (0.102 R)
• M6: 4,796,557 km (0.109 R)
• M7: 5,505,950 km (0.039 R)
• M8: 5,783,005 km (0.106 R)
• M9: 6,502,720 km (0.09 R)
• M10: 8,282,187 km (0.063 R)
• M11: 8,987,242 km (0.075 R)
• M12: 10,213,047 km (0.083 R)
• M13: 10,671,115 km (0.075 R)
• M14: 11,424,490 km (0.105 R)
• M15: 19,119,805 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.8

Radius: 9.4

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.14 AU - 3.28 AU

Year: 3026 Days

Day: 13.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,486,489 km

• M1: 116,986 km (0.103 R)
• M2: 421,567 km (0.088 R)
• M3: 786,735 km (0.05 R)
• M4: 1,087,577 km (0.113 R)
• M5: 1,533,677 km (0.111 R)
• M6: 1,855,612 km (0.117 R)
• M7: 2,351,529 km (0.081 R)
• M8: 2,667,031 km (0.051 R)
• M9: 3,300,578 km (0.073 R)
• M10: 4,304,380 km (0.051 R)
• M11: 5,267,341 km (0.1 R)
• M12: 5,594,512 km (0.073 R)
• M13: 6,238,231 km (0.107 R)
• M14: 7,125,496 km (0.114 R)
• M15: 8,217,860 km (0.11 R)
• M16: 8,885,515 km (0.109 R)
• M17: 10,918,101 km (0.093 R)
• M18: 11,568,254 km (0.119 R)
• M19: 12,571,008 km (0.095 R)
• M20: 14,475,090 km (0.115 R)
• M21: 16,514,408 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.4

Radius: 13

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.34 AU - 3.22 AU

Year: 3144 Days

Day: 14.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,486,489 km

• M1: 161,715 km (0.12 R)
• M2: 644,617 km (0.114 R)
• M3: 1,123,480 km (0.093 R)
• M4: 1,773,782 km (0.1 R)
• M5: 2,618,860 km (0.12 R)
• M6: 3,797,692 km (0.049 R)
• M7: 4,439,167 km (0.071 R)
• M8: 5,484,108 km (0.119 R)
• M9: 6,163,283 km (0.115 R)
• M10: 7,822,772 km (0.025 R)
• M11: 8,367,308 km (0.111 R)
• M12: 8,864,422 km (0.117 R)
• M13: 9,532,676 km (0.092 R)
• M14: 10,274,232 km (0.065 R)
• M15: 12,139,418 km (0.071 R)
• M16: 14,776,530 km (0.038 R)
• M17: 16,256,352 km (0.097 R)
• M18: 20,962,701 km (0.071 R)
• M19: 21,682,865 km (0.098 R)
• M20: 22,759,820 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656

Radius: 9.7

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.79 AU - 3.89 AU

Year: 4140 Days

Day: 5.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,486,489 km

• M1: 120,725 km (0.107 R)
• M2: 634,893 km (0.067 R)
• M3: 1,250,339 km (0.081 R)
• M4: 1,742,965 km (0.114 R)
• M5: 2,330,884 km (0.087 R)
• M6: 3,045,962 km (0.12 R)
• M7: 3,709,728 km (0.107 R)
• M8: 4,562,585 km (0.104 R)
• M9: 5,679,184 km (0.117 R)
• M10: 12,565,772 km (0.076 R)
• M11: 15,771,056 km (0.116 R)
• M12: 20,397,071 km (0.079 R)
• M13: 21,269,676 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.8

Radius: 14.1

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.92 AU - 4.38 AU

Year: 5734 Days

Day: 12 Hours

Environment

Temp: -218 °C

Axial Tilt: 143.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,486,489 km

• M1: 175,628 km (0.041 R)
• M2: 644,916 km (0.115 R)
• M3: 1,116,599 km (0.102 R)
• M4: 1,604,886 km (0.075 R)
• M5: 3,069,000 km (0.12 R)
• M6: 3,911,835 km (0.034 R)
• M7: 5,146,017 km (0.075 R)
• M8: 6,423,284 km (0.074 R)
• M9: 9,007,886 km (0.118 R)
• M10: 11,870,441 km (0.119 R)
• M11: 12,762,793 km (0.042 R)
• M12: 13,272,473 km (0.093 R)
• M13: 15,189,869 km (0.083 R)
• M14: 15,710,020 km (0.038 R)
• M15: 16,731,026 km (0.061 R)
• M16: 19,507,413 km (0.085 R)
• M17: 19,998,393 km (0.119 R)
• M18: 21,782,048 km (0.073 R)
• M19: 22,444,169 km (0.048 R)

Asteroid Belt

Center: 5.05 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 574.7

Radius: 6.1

Gravity: 15.44 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 5.18 AU - 6.72 AU

Year: 9844 Days

Day: 19 Hours

Environment

Temp: -223 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 44,486,489 km

• M1: 75,996 km (0.096 R)
• M2: 287,677 km (0.097 R)
• M3: 501,452 km (0.099 R)
• M4: 888,312 km (0.118 R)
• M5: 1,330,523 km (0.086 R)
• M6: 1,695,393 km (0.101 R)
• M7: 2,849,241 km (0.072 R)
• M8: 3,504,330 km (0.115 R)
• M9: 3,932,330 km (0.106 R)
• M10: 4,172,733 km (0.102 R)
• M11: 5,076,903 km (0.11 R)
• M12: 5,591,669 km (0.05 R)
• M13: 8,130,943 km (0.115 R)
• M14: 9,722,515 km (0.088 R)
• M15: 10,823,107 km (0.092 R)
• M16: 12,115,782 km (0.102 R)
• M17: 13,150,401 km (0.114 R)
• M18: 14,118,598 km (0.07 R)
• M19: 14,620,050 km (0.105 R)
• M20: 15,592,287 km (0.068 R)
• M21: 15,925,741 km (0.096 R)
• M22: 20,544,425 km (0.101 R)
• M23: 20,864,714 km (0.119 R)
• M24: 21,107,063 km (0.118 R)
• M25: 23,898,409 km (0.086 R)
• M26: 24,610,346 km (0.066 R)
• M27: 25,797,255 km (0.075 R)
• M28: 26,546,441 km (0.113 R)
• M29: 30,510,785 km (0.078 R)
• M30: 34,176,531 km (0.084 R)
• M31: 34,626,222 km (0.1 R)
• M32: 35,652,464 km (0.102 R)
• M33: 38,852,512 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 506.8

Radius: 7.1

Gravity: 10.05 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 5.56 AU - 6.78 AU

Year: 10395 Days

Day: 15.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 44,486,489 km

• M1: 88,263 km (0.114 R)
• M2: 310,266 km (0.084 R)
• M3: 541,993 km (0.104 R)
• M4: 877,691 km (0.089 R)
• M5: 1,335,610 km (0.083 R)
• M6: 1,787,545 km (0.047 R)
• M7: 2,486,317 km (0.072 R)
• M8: 2,845,352 km (0.11 R)
• M9: 3,401,257 km (0.111 R)
• M10: 4,270,421 km (0.1 R)
• M11: 5,216,328 km (0.042 R)
• M12: 5,440,725 km (0.117 R)
• M13: 6,811,041 km (0.1 R)
• M14: 7,434,865 km (0.093 R)
• M15: 8,706,147 km (0.119 R)
• M16: 11,836,483 km (0.065 R)
• M17: 13,682,221 km (0.115 R)
• M18: 14,737,036 km (0.088 R)
• M19: 15,186,727 km (0.108 R)
• M20: 16,590,853 km (0.106 R)
• M21: 17,147,955 km (0.092 R)
• M22: 18,079,501 km (0.038 R)
• M23: 18,446,614 km (0.117 R)
• M24: 19,424,536 km (0.097 R)
• M25: 21,401,621 km (0.085 R)
• M26: 23,422,090 km (0.105 R)
• M27: 24,300,379 km (0.082 R)
• M28: 27,741,130 km (0.071 R)
• M29: 28,229,567 km (0.096 R)
• M30: 28,624,655 km (0.064 R)
• M31: 31,811,538 km (0.093 R)
• M32: 36,847,152 km (0.12 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: 300 - 18,334 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit