🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.1

Radius: 12.9

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.68 AU - 0.7 AU

Year: 396 Days

Day: 14.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,018,507 km

• M1: 160,818 km (0.113 R)
• M2: 573,857 km (0.079 R)
• M3: 1,038,508 km (0.097 R)
• M4: 1,777,223 km (0.081 R)
• M5: 2,261,770 km (0.106 R)
• M6: 3,195,111 km (0.076 R)
• M7: 3,756,851 km (0.065 R)
• M8: 4,608,362 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.8

Radius: 11.5

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.62 AU - 1.72 AU

Year: 1490 Days

Day: 14.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,018,507 km

• M1: 143,464 km (0.119 R)
• M2: 586,274 km (0.082 R)
• M3: 974,331 km (0.056 R)
• M4: 1,425,369 km (0.102 R)
• M5: 1,792,033 km (0.071 R)
• M6: 2,210,757 km (0.102 R)
• M7: 2,791,795 km (0.066 R)
• M8: 3,391,683 km (0.086 R)
• M9: 4,112,445 km (0.095 R)
• M10: 4,470,882 km (0.093 R)
• M11: 4,829,618 km (0.07 R)
• M12: 5,858,851 km (0.099 R)
• M13: 6,588,739 km (0.047 R)
• M14: 7,323,713 km (0.034 R)
• M15: 8,083,371 km (0.092 R)
• M16: 8,679,369 km (0.093 R)
• M17: 9,050,970 km (0.066 R)
• M18: 9,892,608 km (0.109 R)
• M19: 10,575,073 km (0.102 R)
• M20: 11,325,008 km (0.078 R)
• M21: 12,692,781 km (0.033 R)
• M22: 13,998,471 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247

Radius: 10.1

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.81 AU - 2.87 AU

Year: 2471 Days

Day: 11.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,018,507 km

• M1: 125,961 km (0.119 R)
• M2: 518,207 km (0.102 R)
• M3: 873,203 km (0.099 R)
• M4: 1,274,723 km (0.068 R)
• M5: 2,084,497 km (0.101 R)
• M6: 2,762,624 km (0.047 R)
• M7: 3,131,383 km (0.116 R)
• M8: 3,968,981 km (0.111 R)
• M9: 5,628,321 km (0.058 R)
• M10: 6,248,553 km (0.117 R)
• M11: 6,612,525 km (0.065 R)
• M12: 7,680,055 km (0.079 R)
• M13: 8,414,282 km (0.117 R)
• M14: 9,570,673 km (0.115 R)
• M15: 10,220,377 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573

Radius: 13.7

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 4.34 AU - 5.84 AU

Year: 7927 Days

Day: 10 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 38,018,507 km

• M1: 170,392 km (0.095 R)
• M2: 603,179 km (0.1 R)
• M3: 1,179,280 km (0.092 R)
• M4: 2,616,766 km (0.103 R)
• M5: 3,656,471 km (0.074 R)
• M6: 4,092,699 km (0.077 R)
• M7: 5,042,346 km (0.066 R)
• M8: 6,001,867 km (0.066 R)
• M9: 7,920,160 km (0.094 R)
• M10: 8,530,669 km (0.072 R)
• M11: 10,360,999 km (0.098 R)
• M12: 10,844,649 km (0.103 R)
• M13: 12,548,868 km (0.095 R)
• M14: 13,043,289 km (0.108 R)
• M15: 15,399,904 km (0.086 R)
• M16: 16,417,618 km (0.078 R)
• M17: 16,943,156 km (0.066 R)
• M18: 18,027,890 km (0.097 R)
• M19: 19,158,251 km (0.105 R)
• M20: 21,095,394 km (0.106 R)
• M21: 24,751,716 km (0.108 R)
• M22: 29,672,887 km (0.052 R)
• M23: 30,355,203 km (0.087 R)
• M24: 32,465,132 km (0.099 R)
• M25: 34,456,728 km (0.12 R)
• M26: 37,879,228 km (0.1 R)
• M27: 38,682,419 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 133.5

Radius: 3.5

Gravity: 10.9 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 6.98 AU - 9.28 AU

Year: 16001 Days

Day: 18.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 38,018,507 km

• M1: 43,832 km (0.053 R)
• M2: 431,590 km (0.053 R)
• M3: 542,741 km (0.042 R)
• M4: 658,530 km (0.105 R)
• M5: 816,206 km (0.074 R)
• M6: 988,992 km (0.052 R)
• M7: 1,905,428 km (0.108 R)
• M8: 2,244,566 km (0.073 R)
• M9: 2,510,551 km (0.093 R)
• M10: 2,680,046 km (0.079 R)
• M11: 3,644,204 km (0.065 R)
• M12: 4,190,984 km (0.109 R)
• M13: 4,483,897 km (0.034 R)
• M14: 5,021,851 km (0.072 R)
• M15: 7,529,859 km (0.096 R)
• M16: 8,246,134 km (0.095 R)
• M17: 9,270,281 km (0.101 R)
• M18: 10,961,186 km (0.089 R)
• M19: 12,410,490 km (0.113 R)
• M20: 16,386,801 km (0.046 R)
• M21: 16,582,326 km (0.114 R)
• M22: 17,926,313 km (0.098 R)
• M23: 19,927,484 km (0.094 R)
• M24: 21,835,754 km (0.042 R)
• M25: 28,005,021 km (0.043 R)
• M26: 29,421,712 km (0.092 R)
• M27: 29,614,245 km (0.116 R)
• M28: 34,595,256 km (0.105 R)
• M29: 34,917,041 km (0.063 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 238 - 19,643 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit