🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.2

Radius: 12.5

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.78 AU - 0.8 AU

Year: 494 Days

Day: 13.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,072,733 km

• M1: 155,731 km (0.052 R)
• M2: 579,991 km (0.11 R)
• M3: 1,048,831 km (0.098 R)
• M4: 1,577,659 km (0.118 R)
• M5: 2,120,849 km (0.049 R)
• M6: 2,540,770 km (0.089 R)
• M7: 2,960,841 km (0.115 R)
• M8: 3,366,550 km (0.103 R)
• M9: 3,849,303 km (0.104 R)
• M10: 5,003,002 km (0.109 R)
• M11: 5,809,484 km (0.101 R)
• M12: 6,375,113 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.1

Radius: 9.3

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.87 AU - 1.41 AU

Year: 856 Days

Day: 9.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,072,733 km

• M1: 115,639 km (0.105 R)
• M2: 436,527 km (0.089 R)
• M3: 847,173 km (0.117 R)
• M4: 1,362,687 km (0.085 R)
• M5: 1,670,260 km (0.051 R)
• M6: 1,973,495 km (0.068 R)
• M7: 2,399,999 km (0.119 R)
• M8: 2,703,832 km (0.043 R)
• M9: 3,255,998 km (0.109 R)
• M10: 3,591,246 km (0.026 R)
• M11: 4,018,498 km (0.086 R)
• M12: 4,331,756 km (0.099 R)
• M13: 4,707,546 km (0.101 R)
• M14: 5,236,823 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.3

Radius: 9.9

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.63 AU - 2.63 AU

Year: 2185 Days

Day: 8.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,072,733 km

• M1: 158,275 km (0.047 R)
• M2: 480,658 km (0.116 R)
• M3: 824,284 km (0.119 R)
• M4: 1,534,425 km (0.084 R)
• M5: 1,899,145 km (0.03 R)
• M6: 2,259,526 km (0.115 R)
• M7: 3,151,429 km (0.114 R)
• M8: 4,073,251 km (0.062 R)
• M9: 4,516,809 km (0.064 R)
• M10: 5,501,013 km (0.116 R)
• M11: 7,045,910 km (0.119 R)
• M12: 8,830,014 km (0.091 R)
• M13: 9,343,883 km (0.093 R)
• M14: 9,911,757 km (0.091 R)
• M15: 13,942,073 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.1

Radius: 8.7

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.07 AU - 2.99 AU

Year: 2829 Days

Day: 8.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,072,733 km

• M1: 108,309 km (0.112 R)
• M2: 411,544 km (0.036 R)
• M3: 959,970 km (0.115 R)
• M4: 1,515,875 km (0.094 R)
• M5: 2,096,764 km (0.076 R)
• M6: 2,875,271 km (0.085 R)
• M7: 3,765,528 km (0.115 R)
• M8: 5,915,848 km (0.107 R)
• M9: 6,566,748 km (0.078 R)
• M10: 7,590,297 km (0.062 R)
• M11: 8,447,343 km (0.119 R)
• M12: 9,241,109 km (0.093 R)
• M13: 10,117,005 km (0.085 R)
• M14: 10,558,019 km (0.109 R)
• M15: 11,920,856 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.7

Radius: 10.1

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.96 AU - 3.84 AU

Year: 4407 Days

Day: 7 Hours

Environment

Temp: -205 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 27,072,733 km

• M1: 125,662 km (0.088 R)
• M2: 490,531 km (0.083 R)
• M3: 947,254 km (0.074 R)
• M4: 1,331,271 km (0.066 R)
• M5: 2,120,849 km (0.117 R)
• M6: 3,235,353 km (0.084 R)
• M7: 3,899,717 km (0.113 R)
• M8: 4,407,452 km (0.036 R)
• M9: 6,138,898 km (0.082 R)
• M10: 6,476,840 km (0.036 R)
• M11: 6,794,885 km (0.118 R)
• M12: 7,223,932 km (0.025 R)
• M13: 9,484,056 km (0.078 R)
• M14: 9,853,413 km (0.096 R)
• M15: 11,474,157 km (0.104 R)
• M16: 11,846,655 km (0.091 R)
• M17: 12,469,282 km (0.117 R)
• M18: 12,863,173 km (0.109 R)
• M19: 13,884,478 km (0.032 R)
• M20: 15,914,969 km (0.119 R)
• M21: 16,911,291 km (0.092 R)
• M22: 18,387,972 km (0.06 R)
• M23: 22,525,400 km (0.11 R)
• M24: 22,889,821 km (0.1 R)

Asteroid Belt

Center: 3.75 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240

Radius: 12.1

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.26 AU - 4.94 AU

Year: 5836 Days

Day: 7.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,072,733 km

• M1: 150,495 km (0.068 R)
• M2: 681,867 km (0.084 R)
• M3: 1,147,116 km (0.073 R)
• M4: 1,802,206 km (0.086 R)
• M5: 2,301,414 km (0.072 R)
• M6: 2,942,889 km (0.097 R)
• M7: 4,917,132 km (0.069 R)
• M8: 5,394,350 km (0.091 R)
• M9: 6,182,431 km (0.063 R)
• M10: 7,588,202 km (0.104 R)
• M11: 8,124,062 km (0.106 R)
• M12: 9,460,420 km (0.113 R)
• M13: 11,277,286 km (0.087 R)
• M14: 12,703,702 km (0.084 R)
• M15: 14,097,206 km (0.089 R)
• M16: 14,702,778 km (0.116 R)
• M17: 15,431,170 km (0.115 R)
• M18: 17,243,249 km (0.06 R)
• M19: 17,819,350 km (0.113 R)
• M20: 21,024,634 km (0.118 R)
• M21: 21,417,778 km (0.108 R)
• M22: 22,218,425 km (0.102 R)
• M23: 23,317,072 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260

Radius: 14.5

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.18 AU - 4.98 AU

Year: 6890 Days

Day: 12 Hours

Environment

Temp: -226 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,072,733 km

• M1: 180,265 km (0.071 R)
• M2: 669,600 km (0.11 R)
• M3: 1,498,821 km (0.103 R)
• M4: 2,020,319 km (0.112 R)
• M5: 2,614,522 km (0.09 R)
• M6: 3,324,813 km (0.113 R)
• M7: 5,030,677 km (0.049 R)
• M8: 5,816,515 km (0.063 R)
• M9: 6,682,986 km (0.117 R)
• M10: 8,824,030 km (0.114 R)
• M11: 12,409,891 km (0.111 R)
• M12: 13,139,480 km (0.071 R)
• M13: 13,641,680 km (0.087 R)
• M14: 16,176,616 km (0.113 R)
• M15: 17,645,966 km (0.068 R)
• M16: 18,319,905 km (0.084 R)
• M17: 23,019,522 km (0.079 R)
• M18: 26,992,093 km (0.076 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 16,435 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit