🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.77 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.9

Radius: 10.3

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.17 AU - 1.91 AU

Year: 1234 Days

Day: 7.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,738,632 km

• M1: 128,056 km (0.053 R)
• M2: 572,511 km (0.111 R)
• M3: 895,942 km (0.086 R)
• M4: 1,494,932 km (0.099 R)
• M5: 2,245,913 km (0.092 R)
• M6: 2,794,488 km (0.118 R)
• M7: 4,061,433 km (0.102 R)
• M8: 4,500,652 km (0.116 R)
• M9: 5,494,730 km (0.064 R)
• M10: 5,821,900 km (0.076 R)
• M11: 6,743,573 km (0.08 R)
• M12: 7,558,582 km (0.06 R)
• M13: 8,304,627 km (0.066 R)
• M14: 9,212,237 km (0.072 R)
• M15: 9,558,257 km (0.115 R)
• M16: 9,943,022 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.2

Radius: 11.6

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.33 AU - 2.09 AU

Year: 1444 Days

Day: 8.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,738,632 km

• M1: 144,512 km (0.116 R)
• M2: 507,586 km (0.112 R)
• M3: 1,208,452 km (0.06 R)
• M4: 1,700,329 km (0.113 R)
• M5: 2,557,824 km (0.12 R)
• M6: 3,555,343 km (0.119 R)
• M7: 5,636,100 km (0.048 R)
• M8: 6,286,402 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.3

Radius: 10.7

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.78 AU - 2.02 AU

Year: 1691 Days

Day: 5.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,738,632 km

• M1: 133,441 km (0.115 R)
• M2: 519,105 km (0.105 R)
• M3: 920,924 km (0.11 R)
• M4: 1,349,522 km (0.078 R)
• M5: 2,252,196 km (0.09 R)
• M6: 2,706,525 km (0.113 R)
• M7: 3,113,431 km (0.028 R)
• M8: 3,847,208 km (0.081 R)
• M9: 6,111,821 km (0.11 R)
• M10: 6,591,133 km (0.08 R)
• M11: 7,308,903 km (0.118 R)
• M12: 8,026,823 km (0.103 R)
• M13: 9,689,903 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.1

Radius: 8.6

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.94 AU - 4.28 AU

Year: 4429 Days

Day: 14.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,738,632 km

• M1: 107,112 km (0.088 R)
• M2: 616,194 km (0.12 R)
• M3: 1,228,797 km (0.115 R)
• M4: 2,089,433 km (0.118 R)
• M5: 3,397,517 km (0.043 R)
• M6: 4,799,548 km (0.111 R)
• M7: 5,141,380 km (0.029 R)
• M8: 6,336,218 km (0.111 R)
• M9: 7,870,344 km (0.1 R)
• M10: 10,446,569 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.4

Radius: 12.2

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.82 AU - 4.94 AU

Year: 5919 Days

Day: 12.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,738,632 km

• M1: 153,039 km (0.096 R)
• M2: 891,304 km (0.077 R)
• M3: 1,523,804 km (0.101 R)
• M4: 2,452,956 km (0.091 R)
• M5: 3,145,445 km (0.098 R)
• M6: 3,575,988 km (0.119 R)
• M7: 3,964,792 km (0.041 R)
• M8: 5,647,320 km (0.08 R)
• M9: 6,928,027 km (0.065 R)
• M10: 8,804,134 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 432.1

Radius: 6.3

Gravity: 10.89 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 6.61 AU - 9.03 AU

Year: 14120 Days

Day: 19.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 51,738,632 km

• M1: 78,688 km (0.113 R)
• M2: 400,174 km (0.083 R)
• M3: 643,570 km (0.116 R)
• M4: 1,249,292 km (0.114 R)
• M5: 1,544,149 km (0.077 R)
• M6: 1,851,722 km (0.097 R)
• M7: 2,652,819 km (0.071 R)
• M8: 3,286,366 km (0.105 R)
• M9: 3,484,733 km (0.117 R)
• M10: 4,016,104 km (0.072 R)
• M11: 4,478,960 km (0.102 R)
• M12: 4,976,672 km (0.118 R)
• M13: 5,755,928 km (0.105 R)
• M14: 6,193,352 km (0.103 R)
• M15: 7,052,792 km (0.107 R)
• M16: 9,150,752 km (0.102 R)
• M17: 9,445,460 km (0.088 R)
• M18: 9,950,802 km (0.112 R)
• M19: 10,262,564 km (0.1 R)
• M20: 10,634,464 km (0.042 R)
• M21: 12,330,904 km (0.102 R)
• M22: 13,748,194 km (0.028 R)
• M23: 14,396,850 km (0.098 R)
• M24: 15,546,360 km (0.076 R)
• M25: 16,393,832 km (0.076 R)
• M26: 18,257,373 km (0.072 R)
• M27: 22,488,450 km (0.1 R)
• M28: 23,025,655 km (0.104 R)
• M29: 25,645,713 km (0.107 R)
• M30: 29,938,423 km (0.097 R)
• M31: 36,252,351 km (0.115 R)
• M32: 42,577,050 km (0.076 R)
• M33: 47,666,070 km (0.058 R)
• M34: 48,403,588 km (0.089 R)
• M35: 49,901,063 km (0.066 R)
• M36: 51,121,183 km (0.106 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 17,617 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit