🌌 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: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.1

Radius: 10.8

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.7 AU - 0.7 AU

Year: 384 Days

Day: 12.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 27,705,626 km

• M1: 134,788 km (0.086 R)
• M2: 503,546 km (0.105 R)
• M3: 853,456 km (0.111 R)
• M4: 1,309,729 km (0.054 R)
• M5: 2,044,554 km (0.089 R)
• M6: 2,798,827 km (0.101 R)
• M7: 3,274,249 km (0.092 R)
• M8: 4,724,301 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.2

Radius: 10.5

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.18 AU - 1.88 AU

Year: 1241 Days

Day: 8.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,705,626 km

• M1: 130,599 km (0.094 R)
• M2: 541,095 km (0.078 R)
• M3: 1,083,388 km (0.089 R)
• M4: 1,427,463 km (0.101 R)
• M5: 2,052,632 km (0.097 R)
• M6: 2,490,206 km (0.073 R)
• M7: 2,865,547 km (0.069 R)
• M8: 3,682,651 km (0.099 R)
• M9: 4,102,422 km (0.06 R)
• M10: 4,610,457 km (0.115 R)
• M11: 5,221,564 km (0.046 R)
• M12: 6,874,321 km (0.078 R)
• M13: 7,227,372 km (0.095 R)
• M14: 7,645,798 km (0.027 R)
• M15: 9,452,790 km (0.064 R)
• M16: 11,145,939 km (0.093 R)
• M17: 11,528,610 km (0.084 R)
• M18: 12,356,934 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.6

Radius: 13.5

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.22 AU - 4.64 AU

Year: 5111 Days

Day: 8.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,705,626 km

• M1: 168,148 km (0.105 R)
• M2: 693,835 km (0.082 R)
• M3: 1,273,227 km (0.115 R)
• M4: 1,845,140 km (0.111 R)
• M5: 2,553,935 km (0.089 R)
• M6: 3,110,589 km (0.082 R)
• M7: 4,765,141 km (0.107 R)
• M8: 5,615,156 km (0.091 R)
• M9: 6,106,585 km (0.09 R)
• M10: 6,532,789 km (0.12 R)
• M11: 7,209,720 km (0.099 R)
• M12: 7,826,661 km (0.088 R)
• M13: 8,257,354 km (0.101 R)
• M14: 10,438,640 km (0.088 R)
• M15: 12,202,250 km (0.12 R)
• M16: 13,534,568 km (0.075 R)
• M17: 17,077,644 km (0.039 R)
• M18: 19,713,409 km (0.078 R)
• M19: 20,853,644 km (0.109 R)
• M20: 22,465,860 km (0.105 R)
• M21: 25,857,842 km (0.12 R)
• M22: 26,736,281 km (0.112 R)
• M23: 27,305,651 km (0.071 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 213.9

Radius: 7.4

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 5.21 AU - 7.03 AU

Year: 9932 Days

Day: 19.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 27,705,626 km

• M1: 94,995 km (0.114 R)
• M2: 390,899 km (0.079 R)
• M3: 672,592 km (0.084 R)
• M4: 2,066,395 km (0.105 R)
• M5: 2,517,882 km (0.054 R)
• M6: 3,617,426 km (0.054 R)
• M7: 4,656,982 km (0.06 R)
• M8: 6,488,359 km (0.064 R)
• M9: 7,275,692 km (0.097 R)
• M10: 8,202,002 km (0.089 R)
• M11: 9,038,853 km (0.105 R)
• M12: 9,372,307 km (0.055 R)
• M13: 12,597,786 km (0.073 R)
• M14: 13,172,541 km (0.061 R)
• M15: 13,655,593 km (0.077 R)
• M16: 14,039,461 km (0.074 R)
• M17: 15,946,834 km (0.069 R)
• M18: 16,433,924 km (0.113 R)
• M19: 18,482,518 km (0.113 R)
• M20: 19,706,528 km (0.11 R)
• M21: 20,767,176 km (0.108 R)
• M22: 24,256,996 km (0.099 R)
• M23: 24,577,733 km (0.098 R)
• M24: 24,820,232 km (0.074 R)
• M25: 28,561,824 km (0.092 R)
• M26: 29,370,849 km (0.079 R)
• M27: 29,918,677 km (0.098 R)
• M28: 30,566,435 km (0.056 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 831.1

Radius: 5.6

Gravity: 26.5 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 5.8 AU - 6.48 AU

Year: 9981 Days

Day: 21.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 27,705,626 km

• M1: 72,705 km (0.114 R)
• M2: 278,551 km (0.09 R)
• M3: 658,231 km (0.116 R)
• M4: 2,181,735 km (0.12 R)
• M5: 2,528,802 km (0.106 R)
• M6: 2,801,669 km (0.033 R)
• M7: 3,713,917 km (0.078 R)
• M8: 5,431,300 km (0.058 R)
• M9: 6,714,551 km (0.093 R)
• M10: 7,197,752 km (0.102 R)
• M11: 7,660,608 km (0.111 R)
• M12: 8,323,476 km (0.09 R)
• M13: 8,739,208 km (0.11 R)
• M14: 10,973,303 km (0.082 R)
• M15: 11,249,161 km (0.109 R)
• M16: 12,162,905 km (0.116 R)
• M17: 13,688,056 km (0.08 R)
• M18: 15,064,206 km (0.039 R)
• M19: 15,890,735 km (0.088 R)
• M20: 18,629,124 km (0.09 R)
• M21: 25,400,222 km (0.102 R)
• M22: 25,592,605 km (0.115 R)
• M23: 28,596,381 km (0.094 R)
• M24: 28,909,041 km (0.079 R)
• M25: 30,506,895 km (0.077 R)
• M26: 50,448,441 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 102.2

Radius: 3.2

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.98 AU - 7.42 AU

Year: 11377 Days

Day: 16.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,705,626 km

• M1: 62,083 km (0.092 R)
• M2: 359,184 km (0.1 R)
• M3: 721,511 km (0.06 R)
• M4: 929,452 km (0.119 R)
• M5: 1,823,748 km (0.113 R)
• M6: 2,074,922 km (0.108 R)
• M7: 2,332,829 km (0.092 R)
• M8: 2,645,788 km (0.097 R)
• M9: 3,666,644 km (0.057 R)
• M10: 6,227,161 km (0.103 R)
• M11: 6,697,347 km (0.097 R)
• M12: 7,707,881 km (0.117 R)
• M13: 12,572,055 km (0.064 R)
• M14: 18,637,352 km (0.083 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 15,531 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit