🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.5

Radius: 14

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.62 AU - 0.74 AU

Year: 374 Days

Day: 11.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 12,703,212 km

• M1: 174,132 km (0.111 R)
• M2: 624,571 km (0.074 R)
• M3: 1,236,426 km (0.057 R)
• M4: 1,889,870 km (0.112 R)
• M5: 2,518,331 km (0.108 R)
• M6: 3,119,415 km (0.064 R)
• M7: 3,644,055 km (0.085 R)
• M8: 4,227,636 km (0.054 R)
• M9: 4,756,315 km (0.098 R)
• M10: 5,266,593 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327

Radius: 10

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.75 AU - 0.87 AU

Year: 486 Days

Day: 14 Hours

Environment

Temp: -164 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 12,703,212 km

• M1: 124,465 km (0.104 R)
• M2: 642,523 km (0.09 R)
• M3: 1,078,601 km (0.114 R)
• M4: 1,529,489 km (0.062 R)
• M5: 2,886,341 km (0.057 R)
• M6: 3,406,344 km (0.047 R)
• M7: 3,950,281 km (0.111 R)
• M8: 4,415,680 km (0.119 R)
• M9: 4,960,815 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.5

Radius: 12.3

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.99 AU - 1.07 AU

Year: 697 Days

Day: 9.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 12,703,212 km

• M1: 153,039 km (0.088 R)
• M2: 542,741 km (0.104 R)
• M3: 1,009,486 km (0.083 R)
• M4: 1,520,513 km (0.077 R)
• M5: 1,930,860 km (0.079 R)
• M6: 2,426,477 km (0.119 R)
• M7: 3,068,402 km (0.076 R)
• M8: 3,484,284 km (0.042 R)
• M9: 3,879,073 km (0.077 R)
• M10: 4,288,373 km (0.034 R)
• M11: 4,878,985 km (0.083 R)
• M12: 5,375,500 km (0.085 R)
• M13: 6,787,555 km (0.114 R)
• M14: 7,294,392 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.3

Radius: 11.9

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.9 AU - 1.26 AU

Year: 748 Days

Day: 12.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 89.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 12,703,212 km

• M1: 147,952 km (0.071 R)
• M2: 642,523 km (0.114 R)
• M3: 1,386,623 km (0.1 R)
• M4: 1,986,061 km (0.097 R)
• M5: 2,499,780 km (0.107 R)
• M6: 2,886,491 km (0.112 R)
• M7: 3,313,294 km (0.068 R)
• M8: 3,708,531 km (0.115 R)
• M9: 4,328,315 km (0.071 R)
• M10: 5,348,722 km (0.102 R)
• M11: 6,017,724 km (0.111 R)
• M12: 7,594,934 km (0.099 R)
• M13: 7,985,385 km (0.04 R)
• M14: 8,994,123 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.1

Radius: 10.5

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.2 AU - 1.32 AU

Year: 943 Days

Day: 9.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 12,703,212 km

• M1: 130,749 km (0.086 R)
• M2: 614,398 km (0.089 R)
• M3: 1,083,388 km (0.066 R)
• M4: 1,619,547 km (0.115 R)
• M5: 1,984,266 km (0.095 R)
• M6: 2,426,627 km (0.051 R)
• M7: 3,241,487 km (0.099 R)
• M8: 3,735,758 km (0.118 R)
• M9: 4,081,778 km (0.076 R)
• M10: 5,427,112 km (0.095 R)
• M11: 5,914,352 km (0.036 R)
• M12: 6,255,435 km (0.099 R)
• M13: 7,189,674 km (0.111 R)
• M14: 7,703,094 km (0.046 R)
• M15: 8,478,759 km (0.098 R)
• M16: 8,996,367 km (0.07 R)
• M17: 9,448,452 km (0.111 R)
• M18: 9,945,566 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.1

Radius: 14.3

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.92 AU - 2.72 AU

Year: 2356 Days

Day: 6.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 131.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 12,703,212 km

• M1: 177,872 km (0.109 R)
• M2: 834,756 km (0.052 R)
• M3: 1,610,421 km (0.095 R)
• M4: 3,064,064 km (0.079 R)
• M5: 3,695,067 km (0.115 R)
• M6: 4,966,051 km (0.053 R)
• M7: 5,981,820 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.1

Radius: 12.2

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.39 AU - 3.65 AU

Year: 3500 Days

Day: 8.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 12,703,212 km

• M1: 151,991 km (0.102 R)
• M2: 536,608 km (0.093 R)
• M3: 979,417 km (0.116 R)
• M4: 1,947,315 km (0.093 R)
• M5: 2,344,199 km (0.096 R)
• M6: 3,128,690 km (0.092 R)
• M7: 4,186,048 km (0.094 R)
• M8: 5,661,531 km (0.08 R)
• M9: 6,363,594 km (0.088 R)
• M10: 7,564,566 km (0.113 R)
• M11: 11,430,923 km (0.086 R)
• M12: 12,553,206 km (0.051 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 12,729 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit