🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365

Radius: 12.3

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.77 AU - 0.87 AU

Year: 479 Days

Day: 8.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,817,066 km

• M1: 153,039 km (0.101 R)
• M2: 600,336 km (0.089 R)
• M3: 1,098,796 km (0.106 R)
• M4: 1,538,315 km (0.078 R)
• M5: 1,971,700 km (0.119 R)
• M6: 2,671,968 km (0.085 R)
• M7: 3,102,061 km (0.107 R)
• M8: 3,486,229 km (0.072 R)
• M9: 4,764,543 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.4

Radius: 13.5

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.73 AU - 0.93 AU

Year: 488 Days

Day: 5 Hours

Environment

Temp: -153 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 30,817,066 km

• M1: 167,849 km (0.066 R)
• M2: 632,350 km (0.115 R)
• M3: 1,146,219 km (0.059 R)
• M4: 1,620,743 km (0.084 R)
• M5: 2,295,280 km (0.074 R)
• M6: 2,815,133 km (0.093 R)
• M7: 3,424,594 km (0.088 R)
• M8: 3,846,311 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503

Radius: 11.9

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.43 AU - 4.03 AU

Year: 3748 Days

Day: 13 Hours

Environment

Temp: -206 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,817,066 km

• M1: 148,102 km (0.096 R)
• M2: 715,527 km (0.102 R)
• M3: 1,422,377 km (0.117 R)
• M4: 2,183,082 km (0.107 R)
• M5: 2,727,468 km (0.107 R)
• M6: 3,587,058 km (0.093 R)
• M7: 4,069,960 km (0.108 R)
• M8: 6,309,440 km (0.096 R)
• M9: 7,170,076 km (0.116 R)
• M10: 7,973,417 km (0.073 R)
• M11: 8,943,260 km (0.1 R)
• M12: 9,569,477 km (0.102 R)
• M13: 13,431,794 km (0.049 R)
• M14: 14,452,052 km (0.08 R)
• M15: 15,470,963 km (0.113 R)
• M16: 16,701,256 km (0.031 R)
• M17: 18,111,216 km (0.1 R)
• M18: 19,416,457 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147

Radius: 14.4

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.9 AU - 4.76 AU

Year: 4840 Days

Day: 11.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,817,066 km

• M1: 181,163 km (0.079 R)
• M2: 675,883 km (0.114 R)
• M3: 1,162,824 km (0.094 R)
• M4: 2,830,541 km (0.114 R)
• M5: 3,999,349 km (0.083 R)
• M6: 4,747,937 km (0.079 R)
• M7: 5,540,507 km (0.107 R)
• M8: 6,796,830 km (0.095 R)
• M9: 7,303,518 km (0.066 R)
• M10: 9,245,747 km (0.114 R)
• M11: 11,950,028 km (0.076 R)
• M12: 15,239,685 km (0.073 R)
• M13: 17,324,481 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.3

Radius: 13.4

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.39 AU - 5.23 AU

Year: 5777 Days

Day: 14.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 30,817,066 km

• M1: 166,652 km (0.103 R)
• M2: 662,120 km (0.05 R)
• M3: 1,471,744 km (0.083 R)
• M4: 2,786,560 km (0.069 R)
• M5: 3,765,378 km (0.076 R)
• M6: 4,673,138 km (0.113 R)
• M7: 5,124,325 km (0.106 R)
• M8: 5,871,118 km (0.092 R)
• M9: 6,334,273 km (0.1 R)
• M10: 7,057,878 km (0.087 R)
• M11: 7,799,435 km (0.117 R)
• M12: 8,322,279 km (0.052 R)
• M13: 9,191,144 km (0.112 R)
• M14: 9,989,398 km (0.086 R)
• M15: 11,063,361 km (0.089 R)
• M16: 11,869,693 km (0.073 R)
• M17: 12,512,366 km (0.043 R)
• M18: 14,029,887 km (0.107 R)
• M19: 17,808,579 km (0.114 R)
• M20: 18,324,243 km (0.074 R)
• M21: 20,769,420 km (0.117 R)
• M22: 22,590,625 km (0.097 R)
• M23: 26,799,860 km (0.097 R)
• M24: 28,956,014 km (0.108 R)
• M25: 29,850,011 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.8

Radius: 8.8

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.91 AU - 5.33 AU

Year: 6412 Days

Day: 8.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,817,066 km

• M1: 109,506 km (0.084 R)
• M2: 454,628 km (0.119 R)
• M3: 1,494,932 km (0.111 R)
• M4: 2,982,982 km (0.093 R)
• M5: 4,452,182 km (0.054 R)
• M6: 5,502,210 km (0.093 R)
• M7: 7,252,355 km (0.073 R)
• M8: 8,778,253 km (0.093 R)
• M9: 11,811,500 km (0.084 R)
• M10: 12,302,330 km (0.11 R)
• M11: 15,364,749 km (0.077 R)
• M12: 17,102,627 km (0.073 R)
• M13: 19,168,125 km (0.025 R)
• M14: 20,400,362 km (0.12 R)
• M15: 21,466,846 km (0.059 R)
• M16: 21,903,671 km (0.052 R)
• M17: 23,021,766 km (0.064 R)
• M18: 23,788,006 km (0.11 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: 545 - 20,465 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit