🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.8

Radius: 8.1

Gravity: 13.03 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.59 AU - 0.67 AU

Year: 351 Days

Day: 14.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,243,564 km

• M1: 103,073 km (0.11 R)
• M2: 385,215 km (0.08 R)
• M3: 661,522 km (0.074 R)
• M4: 928,554 km (0.065 R)
• M5: 1,263,354 km (0.102 R)
• M6: 1,559,558 km (0.077 R)
• M7: 1,840,503 km (0.108 R)
• M8: 2,233,047 km (0.081 R)
• M9: 2,487,364 km (0.092 R)
• M10: 3,334,537 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.6

Radius: 14.9

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.61 AU - 0.97 AU

Year: 494 Days

Day: 8.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,243,564 km

• M1: 185,352 km (0.1 R)
• M2: 783,743 km (0.111 R)
• M3: 1,249,591 km (0.098 R)
• M4: 1,822,700 km (0.104 R)
• M5: 2,521,622 km (0.086 R)
• M6: 3,570,303 km (0.065 R)
• M7: 4,034,206 km (0.074 R)
• M8: 5,316,559 km (0.104 R)
• M9: 5,961,774 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.8

Radius: 14.7

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.89 AU - 1.09 AU

Year: 692 Days

Day: 11.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,243,564 km

• M1: 182,809 km (0.072 R)
• M2: 668,403 km (0.076 R)
• M3: 1,250,189 km (0.099 R)
• M4: 1,809,087 km (0.078 R)
• M5: 2,279,872 km (0.042 R)
• M6: 2,868,390 km (0.112 R)
• M7: 3,598,427 km (0.107 R)
• M8: 4,465,796 km (0.103 R)
• M9: 5,803,500 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.3

Radius: 14.8

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.17 AU - 1.49 AU

Year: 1078 Days

Day: 5.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,243,564 km

• M1: 184,305 km (0.07 R)
• M2: 799,002 km (0.088 R)
• M3: 1,276,369 km (0.105 R)
• M4: 2,013,139 km (0.062 R)
• M5: 2,579,516 km (0.093 R)
• M6: 3,118,368 km (0.104 R)
• M7: 3,842,571 km (0.049 R)
• M8: 4,396,382 km (0.12 R)
• M9: 4,871,056 km (0.111 R)
• M10: 5,575,513 km (0.085 R)
• M11: 6,769,752 km (0.103 R)
• M12: 7,318,777 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.6

Radius: 13.3

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.24 AU - 1.66 AU

Year: 1227 Days

Day: 5.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,243,564 km

• M1: 165,455 km (0.1 R)
• M2: 621,579 km (0.095 R)
• M3: 1,259,913 km (0.113 R)
• M4: 1,755,980 km (0.115 R)
• M5: 2,988,816 km (0.12 R)
• M6: 4,546,728 km (0.108 R)
• M7: 5,220,517 km (0.104 R)
• M8: 5,899,242 km (0.049 R)
• M9: 6,527,404 km (0.112 R)
• M10: 7,246,072 km (0.066 R)
• M11: 8,092,048 km (0.114 R)
• M12: 8,526,181 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.4

Radius: 14.8

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.34 AU - 2.42 AU

Year: 2581 Days

Day: 6.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,243,564 km

• M1: 184,903 km (0.107 R)
• M2: 684,111 km (0.116 R)
• M3: 1,335,311 km (0.056 R)
• M4: 1,883,736 km (0.094 R)
• M5: 2,364,993 km (0.119 R)
• M6: 2,864,201 km (0.106 R)
• M7: 3,956,714 km (0.052 R)
• M8: 4,554,806 km (0.027 R)
• M9: 5,287,088 km (0.068 R)
• M10: 6,375,263 km (0.069 R)
• M11: 7,387,143 km (0.061 R)
• M12: 9,357,496 km (0.088 R)
• M13: 10,907,031 km (0.058 R)
• M14: 11,488,069 km (0.069 R)
• M15: 12,309,511 km (0.047 R)
• M16: 15,112,377 km (0.045 R)
• M17: 16,527,423 km (0.085 R)
• M18: 17,687,854 km (0.119 R)
• M19: 18,961,081 km (0.074 R)
• M20: 22,015,571 km (0.068 R)

Asteroid Belt

Center: 3.36 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.9

Radius: 11.2

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.7 AU - 4.98 AU

Year: 6355 Days

Day: 7.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,243,564 km

• M1: 139,276 km (0.106 R)
• M2: 494,720 km (0.112 R)
• M3: 927,656 km (0.05 R)
• M4: 1,462,618 km (0.092 R)
• M5: 1,924,128 km (0.048 R)
• M6: 2,284,659 km (0.119 R)
• M7: 2,964,581 km (0.062 R)
• M8: 3,489,520 km (0.083 R)
• M9: 4,120,225 km (0.115 R)
• M10: 4,605,670 km (0.094 R)
• M11: 5,001,057 km (0.091 R)
• M12: 5,419,033 km (0.106 R)
• M13: 6,089,980 km (0.114 R)
• M14: 6,598,014 km (0.101 R)
• M15: 7,264,473 km (0.069 R)
• M16: 8,732,177 km (0.083 R)
• M17: 9,340,293 km (0.055 R)
• M18: 10,430,412 km (0.112 R)
• M19: 10,812,037 km (0.115 R)
• M20: 11,784,273 km (0.064 R)
• M21: 12,385,806 km (0.101 R)
• M22: 15,376,118 km (0.062 R)
• M23: 18,384,681 km (0.063 R)
• M24: 19,511,601 km (0.094 R)
• M25: 20,092,041 km (0.109 R)
• M26: 25,310,613 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667.7

Radius: 5.2

Gravity: 24.69 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 7.21 AU - 8.91 AU

Year: 16085 Days

Day: 23.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 65,243,564 km

• M1: 70,161 km (0.113 R)
• M2: 255,214 km (0.115 R)
• M3: 490,831 km (0.119 R)
• M4: 857,645 km (0.113 R)
• M5: 1,046,886 km (0.073 R)
• M6: 1,210,247 km (0.116 R)
• M7: 1,789,490 km (0.098 R)
• M8: 1,987,707 km (0.073 R)
• M9: 3,990,822 km (0.114 R)
• M10: 4,656,234 km (0.062 R)
• M11: 6,244,814 km (0.117 R)
• M12: 7,138,661 km (0.119 R)
• M13: 8,310,162 km (0.088 R)
• M14: 9,442,468 km (0.11 R)
• M15: 11,945,689 km (0.051 R)
• M16: 12,326,865 km (0.108 R)
• M17: 17,392,398 km (0.086 R)
• M18: 18,380,642 km (0.063 R)
• M19: 18,974,246 km (0.107 R)
• M20: 19,756,044 km (0.061 R)
• M21: 20,021,281 km (0.1 R)
• M22: 25,734,275 km (0.102 R)
• M23: 29,359,629 km (0.106 R)
• M24: 30,639,888 km (0.084 R)
• M25: 33,311,257 km (0.1 R)
• M26: 39,810,836 km (0.103 R)
• M27: 40,375,867 km (0.029 R)
• M28: 55,947,360 km (0.071 R)
• M29: 59,184,508 km (0.059 R)
• M30: 59,920,380 km (0.057 R)
• M31: 63,499,509 km (0.086 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 14,974 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit