🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.2

Radius: 11.8

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.86 AU - 1.3 AU

Year: 775 Days

Day: 5.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,531,214 km

• M1: 147,204 km (0.118 R)
• M2: 546,780 km (0.104 R)
• M3: 1,295,218 km (0.106 R)
• M4: 1,826,440 km (0.113 R)
• M5: 2,231,103 km (0.069 R)
• M6: 2,803,913 km (0.106 R)
• M7: 3,185,387 km (0.108 R)
• M8: 3,868,751 km (0.037 R)
• M9: 4,875,993 km (0.115 R)
• M10: 5,587,181 km (0.09 R)
• M11: 5,968,057 km (0.106 R)
• M12: 6,671,018 km (0.072 R)
• M13: 8,064,672 km (0.096 R)
• M14: 8,500,151 km (0.098 R)
• M15: 9,169,302 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.3

Radius: 13.9

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.89 AU - 2.79 AU

Year: 2471 Days

Day: 6.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,531,214 km

• M1: 178,171 km (0.108 R)
• M2: 906,713 km (0.039 R)
• M3: 1,896,751 km (0.07 R)
• M4: 2,825,904 km (0.116 R)
• M5: 4,632,148 km (0.106 R)
• M6: 8,917,080 km (0.092 R)
• M7: 11,249,760 km (0.049 R)
• M8: 11,786,218 km (0.114 R)
• M9: 13,000,205 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.9

Radius: 9.4

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.18 AU - 3.32 AU

Year: 3148 Days

Day: 7.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,531,214 km

• M1: 117,434 km (0.097 R)
• M2: 434,731 km (0.094 R)
• M3: 970,292 km (0.117 R)
• M4: 1,289,384 km (0.063 R)
• M5: 1,844,243 km (0.104 R)
• M6: 2,604,948 km (0.111 R)
• M7: 2,915,662 km (0.107 R)
• M8: 3,461,396 km (0.117 R)
• M9: 3,945,943 km (0.074 R)
• M10: 4,839,940 km (0.07 R)
• M11: 6,944,184 km (0.065 R)
• M12: 7,687,835 km (0.085 R)
• M13: 8,729,634 km (0.117 R)
• M14: 9,595,656 km (0.085 R)
• M15: 11,386,193 km (0.053 R)
• M16: 12,697,119 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974

Radius: 14.2

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.75 AU - 5.33 AU

Year: 6677 Days

Day: 5.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,531,214 km

• M1: 176,525 km (0.108 R)
• M2: 722,408 km (0.067 R)
• M3: 1,845,589 km (0.116 R)
• M4: 2,287,202 km (0.079 R)
• M5: 2,900,254 km (0.08 R)
• M6: 3,574,791 km (0.056 R)
• M7: 5,179,677 km (0.104 R)
• M8: 6,887,037 km (0.045 R)
• M9: 7,376,821 km (0.03 R)
• M10: 9,806,888 km (0.091 R)
• M11: 12,343,021 km (0.091 R)
• M12: 16,323,820 km (0.105 R)
• M13: 18,532,334 km (0.093 R)
• M14: 21,644,568 km (0.111 R)
• M15: 23,366,739 km (0.051 R)
• M16: 26,437,385 km (0.042 R)
• M17: 27,927,080 km (0.102 R)
• M18: 29,966,249 km (0.086 R)
• M19: 31,379,799 km (0.07 R)
• M20: 33,475,665 km (0.043 R)
• M21: 34,230,686 km (0.067 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 53.8

Radius: 4.8

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 5.42 AU - 6.78 AU

Year: 10399 Days

Day: 18.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,531,214 km

• M1: 64,925 km (0.045 R)
• M2: 506,239 km (0.106 R)
• M3: 1,007,691 km (0.063 R)
• M4: 1,476,232 km (0.115 R)
• M5: 2,654,614 km (0.103 R)
• M6: 4,946,902 km (0.086 R)
• M7: 5,363,532 km (0.112 R)
• M8: 10,184,473 km (0.043 R)
• M9: 10,576,869 km (0.1 R)
• M10: 16,905,158 km (0.106 R)
• M11: 17,847,026 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 754.2

Radius: 6.2

Gravity: 19.62 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 5.77 AU - 6.51 AU

Year: 10502 Days

Day: 16.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,531,214 km

• M1: 77,641 km (0.069 R)
• M2: 374,892 km (0.037 R)
• M3: 570,566 km (0.096 R)
• M4: 874,998 km (0.112 R)
• M5: 1,174,194 km (0.082 R)
• M6: 2,601,058 km (0.063 R)
• M7: 3,059,576 km (0.1 R)
• M8: 5,079,596 km (0.077 R)
• M9: 5,584,040 km (0.106 R)
• M10: 6,575,275 km (0.105 R)
• M11: 8,162,060 km (0.106 R)
• M12: 8,806,079 km (0.063 R)
• M13: 10,352,023 km (0.099 R)
• M14: 10,617,260 km (0.103 R)
• M15: 13,970,646 km (0.111 R)
• M16: 15,920,654 km (0.093 R)
• M17: 16,274,304 km (0.09 R)
• M18: 17,515,966 km (0.064 R)
• M19: 17,968,948 km (0.043 R)
• M20: 31,213,895 km (0.092 R)
• M21: 39,837,315 km (0.113 R)
• M22: 46,247,733 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 334.5

Radius: 3.5

Gravity: 27.31 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 9.03 AU - 11.29 AU

Year: 22354 Days

Day: 20.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 64,531,214 km

• M1: 43,683 km (0.088 R)
• M2: 213,027 km (0.117 R)
• M3: 465,249 km (0.097 R)
• M4: 720,912 km (0.046 R)
• M5: 1,112,859 km (0.085 R)
• M6: 1,927,718 km (0.088 R)
• M7: 2,403,439 km (0.106 R)
• M8: 3,283,673 km (0.113 R)
• M9: 3,471,568 km (0.11 R)
• M10: 4,233,021 km (0.108 R)
• M11: 5,462,267 km (0.06 R)
• M12: 6,118,104 km (0.116 R)
• M13: 7,355,129 km (0.029 R)
• M14: 14,394,906 km (0.074 R)
• M15: 14,970,857 km (0.119 R)
• M16: 18,165,370 km (0.106 R)
• M17: 23,027,002 km (0.103 R)
• M18: 23,319,914 km (0.091 R)
• M19: 23,615,370 km (0.088 R)
• M20: 23,813,737 km (0.11 R)
• M21: 24,924,651 km (0.063 R)
• M22: 29,599,136 km (0.071 R)
• M23: 30,528,737 km (0.108 R)
• M24: 30,646,321 km (0.107 R)
• M25: 37,587,213 km (0.078 R)
• M26: 40,491,656 km (0.104 R)
• M27: 42,949,698 km (0.079 R)
• M28: 44,140,049 km (0.075 R)
• M29: 55,859,097 km (0.102 R)
• M30: 57,994,307 km (0.115 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: 435 - 12,309 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit