🌌 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: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.5

Radius: 13.4

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.62 AU - 0.98 AU

Year: 462 Days

Day: 7.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 18,121,806 km

• M1: 168,746 km (0.12 R)
• M2: 733,030 km (0.111 R)
• M3: 1,484,609 km (0.105 R)
• M4: 1,989,652 km (0.113 R)
• M5: 2,693,360 km (0.106 R)
• M6: 3,962,997 km (0.032 R)
• M7: 4,823,783 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.2

Radius: 8.9

Gravity: 10.76 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.64 AU - 0.98 AU

Year: 471 Days

Day: 8.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 18,121,806 km

• M1: 110,702 km (0.102 R)
• M2: 456,423 km (0.09 R)
• M3: 855,550 km (0.117 R)
• M4: 1,186,610 km (0.1 R)
• M5: 1,925,923 km (0.082 R)
• M6: 2,368,134 km (0.104 R)
• M7: 2,955,456 km (0.069 R)
• M8: 3,259,588 km (0.101 R)
• M9: 3,795,298 km (0.1 R)
• M10: 4,448,442 km (0.116 R)
• M11: 4,897,236 km (0.092 R)
• M12: 5,461,818 km (0.113 R)
• M13: 6,180,786 km (0.076 R)
• M14: 6,466,218 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.1

Radius: 14.7

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.19 AU - 1.31 AU

Year: 902 Days

Day: 6.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 18,121,806 km

• M1: 197,469 km (0.036 R)
• M2: 831,166 km (0.103 R)
• M3: 4,006,829 km (0.117 R)
• M4: 6,276,678 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.9

Radius: 9.8

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.18 AU - 1.86 AU

Year: 1210 Days

Day: 5 Hours

Environment

Temp: -185 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 18,121,806 km

• M1: 124,316 km (0.105 R)
• M2: 467,793 km (0.037 R)
• M3: 895,343 km (0.096 R)
• M4: 1,352,365 km (0.114 R)
• M5: 1,961,378 km (0.09 R)
• M6: 2,638,757 km (0.092 R)
• M7: 3,026,066 km (0.076 R)
• M8: 3,591,845 km (0.083 R)
• M9: 4,487,787 km (0.055 R)
• M10: 5,700,427 km (0.101 R)
• M11: 6,288,346 km (0.099 R)
• M12: 6,629,579 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.7

Radius: 8.6

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.55 AU - 1.89 AU

Year: 1456 Days

Day: 10.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 18,121,806 km

• M1: 107,112 km (0.12 R)
• M2: 499,358 km (0.115 R)
• M3: 1,104,331 km (0.087 R)
• M4: 1,861,297 km (0.101 R)
• M5: 2,439,492 km (0.064 R)
• M6: 3,274,548 km (0.092 R)
• M7: 4,083,872 km (0.08 R)
• M8: 4,681,217 km (0.108 R)
• M9: 5,396,145 km (0.053 R)
• M10: 6,969,316 km (0.112 R)
• M11: 8,246,583 km (0.115 R)
• M12: 8,575,100 km (0.102 R)
• M13: 9,915,945 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.7

Radius: 8.1

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.03 AU - 3.05 AU

Year: 2614 Days

Day: 14.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,121,806 km

• M1: 100,679 km (0.106 R)
• M2: 473,776 km (0.103 R)
• M3: 844,929 km (0.062 R)
• M4: 1,272,479 km (0.057 R)
• M5: 2,372,772 km (0.111 R)
• M6: 3,181,199 km (0.047 R)
• M7: 3,839,280 km (0.105 R)
• M8: 4,420,467 km (0.117 R)
• M9: 5,058,951 km (0.117 R)
• M10: 6,923,539 km (0.093 R)
• M11: 7,231,112 km (0.05 R)
• M12: 8,147,250 km (0.119 R)
• M13: 8,842,880 km (0.097 R)
• M14: 10,903,890 km (0.117 R)
• M15: 13,394,395 km (0.114 R)
• M16: 13,916,791 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.1

Radius: 9.8

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.06 AU - 3.34 AU

Year: 2865 Days

Day: 5.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 18,121,806 km

• M1: 121,922 km (0.097 R)
• M2: 574,605 km (0.082 R)
• M3: 906,862 km (0.115 R)
• M4: 1,436,439 km (0.074 R)
• M5: 1,873,863 km (0.116 R)
• M6: 2,385,338 km (0.086 R)
• M7: 2,832,037 km (0.105 R)
• M8: 3,249,266 km (0.097 R)
• M9: 3,725,436 km (0.077 R)
• M10: 5,042,346 km (0.096 R)
• M11: 6,402,340 km (0.072 R)
• M12: 7,776,546 km (0.115 R)
• M13: 10,339,756 km (0.11 R)
• M14: 11,332,936 km (0.095 R)
• M15: 12,263,285 km (0.072 R)
• M16: 12,768,477 km (0.057 R)
• M17: 13,820,749 km (0.104 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 497 - 19,969 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit