🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.9

Radius: 13.1

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.54 AU - 0.76 AU

Year: 355 Days

Day: 10.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 19,748,132 km

• M1: 163,211 km (0.115 R)
• M2: 600,785 km (0.082 R)
• M3: 1,168,808 km (0.1 R)
• M4: 1,736,532 km (0.056 R)
• M5: 2,153,162 km (0.069 R)
• M6: 2,692,462 km (0.101 R)
• M7: 3,247,022 km (0.117 R)
• M8: 3,841,225 km (0.053 R)
• M9: 4,723,254 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.7

Radius: 13.8

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.85 AU - 1.33 AU

Year: 772 Days

Day: 12.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 19,748,132 km

• M1: 171,888 km (0.12 R)
• M2: 733,329 km (0.111 R)
• M3: 1,201,271 km (0.092 R)
• M4: 1,892,563 km (0.072 R)
• M5: 2,321,909 km (0.106 R)
• M6: 2,919,851 km (0.056 R)
• M7: 3,396,021 km (0.056 R)
• M8: 4,336,842 km (0.087 R)
• M9: 4,877,489 km (0.113 R)
• M10: 5,427,261 km (0.076 R)
• M11: 5,942,027 km (0.109 R)
• M12: 6,570,189 km (0.066 R)
• M13: 7,351,688 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.4

Radius: 14.3

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.3 AU - 1.46 AU

Year: 1100 Days

Day: 10.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 19,748,132 km

• M1: 182,659 km (0.109 R)
• M2: 648,208 km (0.095 R)
• M3: 1,299,706 km (0.093 R)
• M4: 1,747,602 km (0.057 R)
• M5: 2,248,157 km (0.107 R)
• M6: 2,746,767 km (0.118 R)
• M7: 3,223,236 km (0.112 R)
• M8: 3,680,108 km (0.059 R)
• M9: 5,338,998 km (0.067 R)
• M10: 6,324,998 km (0.065 R)
• M11: 7,212,712 km (0.114 R)
• M12: 8,604,122 km (0.06 R)
• M13: 10,167,868 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.1

Radius: 12.2

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.17 AU - 2.25 AU

Year: 2228 Days

Day: 6.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 19,748,132 km

• M1: 152,739 km (0.108 R)
• M2: 543,190 km (0.065 R)
• M3: 1,052,122 km (0.087 R)
• M4: 1,546,393 km (0.076 R)
• M5: 2,272,990 km (0.05 R)
• M6: 2,907,135 km (0.069 R)
• M7: 3,318,081 km (0.087 R)
• M8: 3,768,071 km (0.103 R)
• M9: 5,393,602 km (0.083 R)
• M10: 5,915,698 km (0.09 R)
• M11: 6,498,831 km (0.088 R)
• M12: 7,445,037 km (0.101 R)
• M13: 7,935,868 km (0.097 R)
• M14: 9,293,169 km (0.088 R)
• M15: 10,455,694 km (0.102 R)
• M16: 10,915,857 km (0.119 R)
• M17: 12,937,074 km (0.087 R)
• M18: 13,557,756 km (0.11 R)
• M19: 13,967,205 km (0.079 R)
• M20: 14,431,707 km (0.052 R)
• M21: 15,002,871 km (0.109 R)
• M22: 15,688,179 km (0.064 R)
• M23: 17,439,671 km (0.119 R)
• M24: 17,924,368 km (0.074 R)
• M25: 18,808,192 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.1

Radius: 9

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.99 AU - 3.57 AU

Year: 4029 Days

Day: 9.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 19,748,132 km

• M1: 118,182 km (0.046 R)
• M2: 453,282 km (0.067 R)
• M3: 1,003,503 km (0.083 R)
• M4: 1,323,792 km (0.064 R)
• M5: 2,105,740 km (0.094 R)
• M6: 2,913,119 km (0.054 R)
• M7: 3,205,284 km (0.089 R)
• M8: 3,701,201 km (0.096 R)
• M9: 4,998,364 km (0.111 R)
• M10: 6,544,757 km (0.077 R)
• M11: 7,410,779 km (0.105 R)
• M12: 7,958,756 km (0.115 R)
• M13: 10,299,215 km (0.109 R)
• M14: 11,069,494 km (0.112 R)
• M15: 12,820,837 km (0.1 R)
• M16: 13,261,253 km (0.096 R)
• M17: 15,950,424 km (0.085 R)
• M18: 16,345,961 km (0.064 R)
• M19: 18,983,521 km (0.055 R)
• M20: 25,085,469 km (0.064 R)
• M21: 25,543,687 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.8

Radius: 11.4

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.69 AU - 4.43 AU

Year: 4556 Days

Day: 12.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 19,748,132 km

• M1: 141,819 km (0.074 R)
• M2: 576,849 km (0.086 R)
• M3: 989,590 km (0.108 R)
• M4: 1,733,540 km (0.084 R)
• M5: 2,914,466 km (0.093 R)
• M6: 3,439,554 km (0.114 R)
• M7: 4,292,561 km (0.044 R)
• M8: 4,837,098 km (0.079 R)
• M9: 6,091,625 km (0.111 R)
• M10: 6,638,854 km (0.058 R)
• M11: 7,706,534 km (0.088 R)
• M12: 8,479,507 km (0.038 R)
• M13: 9,232,881 km (0.065 R)
• M14: 9,771,883 km (0.104 R)
• M15: 10,561,460 km (0.093 R)
• M16: 13,548,630 km (0.113 R)
• M17: 14,916,553 km (0.034 R)
• M18: 15,359,213 km (0.083 R)
• M19: 17,542,445 km (0.047 R)
• M20: 18,035,968 km (0.043 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 15,665 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit