🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.8

Radius: 8.4

Gravity: 13.89 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.64 AU - 0.84 AU

Year: 405 Days

Day: 13.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,543,455 km

• M1: 104,569 km (0.114 R)
• M2: 448,046 km (0.111 R)
• M3: 845,677 km (0.083 R)
• M4: 1,180,776 km (0.08 R)
• M5: 1,589,627 km (0.052 R)
• M6: 2,490,805 km (0.068 R)
• M7: 3,064,662 km (0.111 R)
• M8: 3,646,299 km (0.112 R)
• M9: 4,115,288 km (0.08 R)
• M10: 5,558,608 km (0.112 R)
• M11: 6,162,086 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.1

Radius: 11.5

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.36 AU - 2.08 AU

Year: 1434 Days

Day: 14.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,543,455 km

• M1: 143,464 km (0.027 R)
• M2: 524,939 km (0.072 R)
• M3: 1,427,762 km (0.111 R)
• M4: 1,802,206 km (0.117 R)
• M5: 2,835,328 km (0.026 R)
• M6: 5,786,446 km (0.104 R)
• M7: 7,256,245 km (0.097 R)
• M8: 7,752,910 km (0.098 R)
• M9: 8,244,339 km (0.104 R)
• M10: 9,020,303 km (0.07 R)
• M11: 9,441,570 km (0.039 R)
• M12: 10,918,999 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.3

Radius: 13.3

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.98 AU - 2.12 AU

Year: 1866 Days

Day: 6.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,543,455 km

• M1: 165,455 km (0.105 R)
• M2: 704,008 km (0.117 R)
• M3: 1,121,535 km (0.113 R)
• M4: 1,787,395 km (0.032 R)
• M5: 2,620,805 km (0.109 R)
• M6: 3,250,014 km (0.119 R)
• M7: 4,054,850 km (0.099 R)
• M8: 5,860,497 km (0.068 R)
• M9: 6,293,732 km (0.063 R)
• M10: 8,597,090 km (0.067 R)
• M11: 9,603,735 km (0.099 R)
• M12: 10,208,409 km (0.073 R)
• M13: 10,800,368 km (0.117 R)
• M14: 11,415,365 km (0.08 R)
• M15: 13,488,642 km (0.062 R)
• M16: 14,021,509 km (0.046 R)
• M17: 14,661,040 km (0.093 R)
• M18: 16,344,914 km (0.081 R)
• M19: 17,104,721 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616

Radius: 13.4

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.32 AU - 2.52 AU

Year: 2394 Days

Day: 10.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,543,455 km

• M1: 166,652 km (0.092 R)
• M2: 734,825 km (0.106 R)
• M3: 1,190,799 km (0.105 R)
• M4: 1,651,411 km (0.051 R)
• M5: 2,510,551 km (0.063 R)
• M6: 3,138,563 km (0.115 R)
• M7: 4,627,062 km (0.091 R)
• M8: 5,109,216 km (0.081 R)
• M9: 6,983,977 km (0.101 R)
• M10: 8,233,418 km (0.052 R)
• M11: 9,044,837 km (0.057 R)
• M12: 11,017,883 km (0.091 R)
• M13: 12,290,213 km (0.106 R)
• M14: 13,350,563 km (0.086 R)
• M15: 15,411,872 km (0.089 R)
• M16: 16,293,153 km (0.095 R)
• M17: 17,363,376 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.7

Radius: 10.2

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.05 AU - 2.85 AU

Year: 2438 Days

Day: 8.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,543,455 km

• M1: 162,912 km (0.119 R)
• M2: 536,757 km (0.074 R)
• M3: 863,180 km (0.055 R)
• M4: 1,418,936 km (0.118 R)
• M5: 1,775,278 km (0.072 R)
• M6: 2,221,080 km (0.109 R)
• M7: 2,752,002 km (0.112 R)
• M8: 3,287,862 km (0.093 R)
• M9: 3,664,101 km (0.088 R)
• M10: 4,633,644 km (0.042 R)
• M11: 5,746,952 km (0.115 R)
• M12: 6,356,414 km (0.09 R)
• M13: 7,316,981 km (0.049 R)
• M14: 7,750,666 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.4

Radius: 14.2

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.69 AU - 3.49 AU

Year: 3454 Days

Day: 8.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,543,455 km

• M1: 185,950 km (0.096 R)
• M2: 896,390 km (0.104 R)
• M3: 1,369,120 km (0.077 R)
• M4: 1,837,810 km (0.118 R)
• M5: 2,415,706 km (0.109 R)
• M6: 2,872,728 km (0.109 R)
• M7: 3,541,131 km (0.059 R)
• M8: 6,478,635 km (0.115 R)
• M9: 7,470,469 km (0.097 R)
• M10: 8,561,187 km (0.06 R)
• M11: 9,033,617 km (0.067 R)
• M12: 9,561,847 km (0.047 R)
• M13: 11,058,125 km (0.078 R)
• M14: 11,840,223 km (0.061 R)
• M15: 12,519,995 km (0.116 R)
• M16: 14,257,874 km (0.116 R)
• M17: 16,706,342 km (0.041 R)
• M18: 18,148,914 km (0.12 R)
• M19: 18,748,503 km (0.109 R)
• M20: 20,178,210 km (0.104 R)
• M21: 22,082,890 km (0.092 R)
• M22: 23,961,540 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 388.9

Radius: 3

Gravity: 43.21 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 7.66 AU - 12.44 AU

Year: 20257 Days

Day: 18 Hours

Environment

Temp: -224 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 63,543,455 km

• M1: 37,250 km (0.113 R)
• M2: 264,788 km (0.082 R)
• M3: 439,369 km (0.058 R)
• M4: 651,050 km (0.117 R)
• M5: 851,062 km (0.098 R)
• M6: 1,065,735 km (0.117 R)
• M7: 1,246,150 km (0.083 R)
• M8: 1,684,322 km (0.07 R)
• M9: 2,403,589 km (0.106 R)
• M10: 3,049,852 km (0.086 R)
• M11: 4,675,382 km (0.107 R)
• M12: 6,299,716 km (0.077 R)
• M13: 7,282,424 km (0.054 R)
• M14: 7,928,089 km (0.028 R)
• M15: 8,461,405 km (0.07 R)
• M16: 8,611,003 km (0.042 R)
• M17: 8,966,747 km (0.109 R)
• M18: 10,545,603 km (0.07 R)
• M19: 14,737,485 km (0.05 R)
• M20: 17,639,235 km (0.092 R)
• M21: 18,295,072 km (0.12 R)
• M22: 20,182,398 km (0.089 R)
• M23: 20,360,121 km (0.091 R)
• M24: 24,238,146 km (0.058 R)
• M25: 24,640,864 km (0.11 R)
• M26: 28,468,774 km (0.059 R)
• M27: 28,804,621 km (0.066 R)
• M28: 29,484,095 km (0.083 R)
• M29: 34,289,478 km (0.051 R)
• M30: 37,543,381 km (0.055 R)
• M31: 45,261,434 km (0.105 R)
• M32: 47,421,927 km (0.036 R)
• M33: 56,399,295 km (0.116 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 474 - 14,771 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit