🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.2

Radius: 10.3

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.79 AU - 1.07 AU

Year: 579 Days

Day: 11.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,904,238 km

• M1: 128,056 km (0.038 R)
• M2: 499,058 km (0.035 R)
• M3: 853,605 km (0.108 R)
• M4: 1,184,965 km (0.117 R)
• M5: 1,656,796 km (0.114 R)
• M6: 2,186,074 km (0.084 R)
• M7: 2,739,137 km (0.11 R)
• M8: 3,168,483 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.7

Radius: 10.2

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.91 AU - 1.43 AU

Year: 817 Days

Day: 6.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,904,238 km

• M1: 128,056 km (0.11 R)
• M2: 511,625 km (0.061 R)
• M3: 939,175 km (0.117 R)
• M4: 1,318,556 km (0.073 R)
• M5: 1,832,574 km (0.078 R)
• M6: 2,293,186 km (0.094 R)
• M7: 2,808,251 km (0.106 R)
• M8: 3,325,561 km (0.111 R)
• M9: 4,170,041 km (0.055 R)
• M10: 4,797,903 km (0.098 R)
• M11: 5,626,226 km (0.117 R)
• M12: 6,527,853 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.3

Radius: 11.6

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.04 AU - 2.42 AU

Year: 2150 Days

Day: 14 Hours

Environment

Temp: -188 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,904,238 km

• M1: 144,362 km (0.11 R)
• M2: 647,759 km (0.088 R)
• M3: 1,101,040 km (0.115 R)
• M4: 2,085,095 km (0.104 R)
• M5: 2,530,448 km (0.087 R)
• M6: 3,068,552 km (0.074 R)
• M7: 4,081,329 km (0.109 R)
• M8: 4,645,612 km (0.062 R)
• M9: 5,325,834 km (0.093 R)
• M10: 6,118,852 km (0.115 R)
• M11: 7,145,991 km (0.056 R)
• M12: 9,005,193 km (0.117 R)
• M13: 11,203,085 km (0.066 R)
• M14: 11,638,116 km (0.114 R)
• M15: 12,159,913 km (0.114 R)
• M16: 12,893,092 km (0.09 R)
• M17: 13,290,574 km (0.058 R)
• M18: 13,985,307 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143

Radius: 8.2

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.77 AU - 2.71 AU

Year: 2165 Days

Day: 10.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,904,238 km

• M1: 102,026 km (0.116 R)
• M2: 365,168 km (0.108 R)
• M3: 1,057,956 km (0.1 R)
• M4: 1,347,877 km (0.117 R)
• M5: 1,961,826 km (0.048 R)
• M6: 3,086,653 km (0.088 R)
• M7: 3,658,266 km (0.069 R)
• M8: 4,298,545 km (0.115 R)
• M9: 5,515,673 km (0.086 R)
• M10: 6,095,964 km (0.106 R)
• M11: 7,750,067 km (0.106 R)
• M12: 8,134,534 km (0.086 R)
• M13: 8,451,233 km (0.075 R)
• M14: 8,997,414 km (0.087 R)
• M15: 9,654,299 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 195.4

Radius: 6.1

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 6.61 AU - 7.77 AU

Year: 12448 Days

Day: 17 Hours

Environment

Temp: -233 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 59,904,238 km

• M1: 75,846 km (0.085 R)
• M2: 277,953 km (0.086 R)
• M3: 496,515 km (0.094 R)
• M4: 716,275 km (0.081 R)
• M5: 910,453 km (0.1 R)
• M6: 1,119,890 km (0.098 R)
• M7: 1,349,971 km (0.083 R)
• M8: 1,624,782 km (0.115 R)
• M9: 1,833,172 km (0.1 R)
• M10: 2,106,936 km (0.078 R)
• M11: 2,775,489 km (0.111 R)
• M12: 3,243,731 km (0.078 R)
• M13: 4,824,531 km (0.061 R)
• M14: 5,258,664 km (0.088 R)
• M15: 6,930,869 km (0.102 R)
• M16: 7,828,905 km (0.084 R)
• M17: 9,143,571 km (0.102 R)
• M18: 10,456,592 km (0.107 R)
• M19: 12,308,015 km (0.1 R)
• M20: 14,308,887 km (0.089 R)
• M21: 14,961,283 km (0.086 R)
• M22: 16,710,681 km (0.042 R)
• M23: 19,083,752 km (0.108 R)
• M24: 19,297,078 km (0.111 R)
• M25: 21,672,393 km (0.082 R)
• M26: 22,770,441 km (0.088 R)
• M27: 26,110,962 km (0.087 R)
• M28: 27,263,314 km (0.067 R)
• M29: 27,897,759 km (0.072 R)
• M30: 35,969,462 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257.9

Radius: 8

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 8.34 AU - 9.5 AU

Year: 17201 Days

Day: 21.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,904,238 km

• M1: 99,632 km (0.084 R)
• M2: 508,184 km (0.044 R)
• M3: 1,011,880 km (0.069 R)
• M4: 1,359,695 km (0.11 R)
• M5: 3,721,247 km (0.082 R)
• M6: 4,014,758 km (0.059 R)
• M7: 5,085,430 km (0.116 R)
• M8: 5,414,097 km (0.119 R)
• M9: 5,687,262 km (0.102 R)
• M10: 7,735,855 km (0.067 R)
• M11: 8,440,312 km (0.095 R)
• M12: 8,761,648 km (0.106 R)
• M13: 10,972,405 km (0.054 R)
• M14: 13,907,516 km (0.071 R)
• M15: 14,421,235 km (0.054 R)
• M16: 15,968,825 km (0.103 R)
• M17: 17,181,764 km (0.111 R)
• M18: 21,272,219 km (0.115 R)
• M19: 22,040,553 km (0.047 R)
• M20: 27,843,754 km (0.115 R)
• M21: 28,351,938 km (0.045 R)
• M22: 28,762,883 km (0.11 R)
• M23: 34,823,542 km (0.096 R)
• M24: 46,630,255 km (0.088 R)
• M25: 47,780,214 km (0.057 R)
• M26: 48,949,022 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 246.3

Radius: 7.4

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 9.03 AU - 12.81 AU

Year: 23300 Days

Day: 17.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,904,238 km

• M1: 92,152 km (0.105 R)
• M2: 341,682 km (0.105 R)
• M3: 645,964 km (0.119 R)
• M4: 982,409 km (0.087 R)
• M5: 1,390,961 km (0.08 R)
• M6: 2,882,601 km (0.077 R)
• M7: 3,750,269 km (0.035 R)
• M8: 4,847,569 km (0.115 R)
• M9: 5,083,635 km (0.057 R)
• M10: 6,624,493 km (0.074 R)
• M11: 8,214,269 km (0.082 R)
• M12: 8,746,987 km (0.088 R)
• M13: 9,047,230 km (0.083 R)
• M14: 10,043,253 km (0.092 R)
• M15: 10,994,845 km (0.075 R)
• M16: 11,227,171 km (0.101 R)
• M17: 13,937,136 km (0.111 R)
• M18: 18,898,849 km (0.077 R)
• M19: 22,790,936 km (0.073 R)
• M20: 23,074,275 km (0.108 R)
• M21: 23,938,502 km (0.11 R)
• M22: 30,145,317 km (0.118 R)
• M23: 32,950,128 km (0.112 R)
• M24: 33,433,778 km (0.094 R)
• M25: 39,614,563 km (0.075 R)
• M26: 43,260,563 km (0.047 R)
• M27: 46,363,970 km (0.12 R)
• M28: 53,841,171 km (0.062 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: 399 - 11,268 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit