🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.7

Radius: 9.4

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.57 AU - 0.67 AU

Year: 331 Days

Day: 9.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,085,879 km

• M1: 116,986 km (0.115 R)
• M2: 414,984 km (0.104 R)
• M3: 813,812 km (0.091 R)
• M4: 1,384,379 km (0.068 R)
• M5: 1,728,454 km (0.101 R)
• M6: 2,203,726 km (0.06 R)
• M7: 2,501,426 km (0.116 R)
• M8: 3,150,232 km (0.095 R)
• M9: 3,457,955 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736

Radius: 11.5

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.82 AU - 1.1 AU

Year: 638 Days

Day: 8.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,085,879 km

• M1: 143,165 km (0.05 R)
• M2: 502,050 km (0.052 R)
• M3: 911,799 km (0.074 R)
• M4: 1,301,651 km (0.1 R)
• M5: 1,764,058 km (0.053 R)
• M6: 2,236,937 km (0.086 R)
• M7: 2,771,301 km (0.038 R)
• M8: 3,725,137 km (0.103 R)
• M9: 4,083,124 km (0.05 R)
• M10: 4,448,442 km (0.072 R)
• M11: 5,298,308 km (0.026 R)
• M12: 6,372,869 km (0.112 R)
• M13: 7,253,702 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.4

Radius: 14

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1 AU - 1.1 AU

Year: 730 Days

Day: 5.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 46,085,879 km

• M1: 188,942 km (0.052 R)
• M2: 691,591 km (0.115 R)
• M3: 1,590,525 km (0.094 R)
• M4: 2,385,637 km (0.106 R)
• M5: 3,190,175 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.7

Radius: 8.6

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.63 AU - 4.11 AU

Year: 5164 Days

Day: 13.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,085,879 km

• M1: 106,962 km (0.118 R)
• M2: 387,010 km (0.116 R)
• M3: 979,268 km (0.052 R)
• M4: 1,778,270 km (0.086 R)
• M5: 2,048,743 km (0.107 R)
• M6: 2,589,689 km (0.091 R)
• M7: 3,281,579 km (0.082 R)
• M8: 3,586,759 km (0.046 R)
• M9: 7,667,190 km (0.102 R)
• M10: 8,392,590 km (0.051 R)
• M11: 8,810,567 km (0.107 R)
• M12: 10,190,906 km (0.113 R)
• M13: 11,385,744 km (0.083 R)
• M14: 13,221,759 km (0.073 R)
• M15: 13,945,514 km (0.037 R)
• M16: 20,103,411 km (0.071 R)
• M17: 20,921,412 km (0.079 R)
• M18: 24,110,988 km (0.049 R)
• M19: 28,028,807 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 326.6

Radius: 7.4

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 5.59 AU - 9.21 AU

Year: 13653 Days

Day: 16 Hours

Environment

Temp: -240 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 46,085,879 km

• M1: 92,152 km (0.11 R)
• M2: 330,163 km (0.08 R)
• M3: 581,786 km (0.098 R)
• M4: 1,213,837 km (0.117 R)
• M5: 2,202,380 km (0.093 R)
• M6: 2,498,135 km (0.054 R)
• M7: 3,723,341 km (0.096 R)
• M8: 4,090,604 km (0.113 R)
• M9: 4,598,190 km (0.079 R)
• M10: 4,836,798 km (0.082 R)
• M11: 5,178,629 km (0.084 R)
• M12: 6,374,365 km (0.076 R)
• M13: 7,017,337 km (0.033 R)
• M14: 10,583,152 km (0.046 R)
• M15: 11,106,744 km (0.115 R)
• M16: 12,664,956 km (0.095 R)
• M17: 13,863,384 km (0.091 R)
• M18: 16,071,598 km (0.096 R)
• M19: 16,693,178 km (0.073 R)
• M20: 19,340,910 km (0.086 R)
• M21: 19,965,033 km (0.055 R)
• M22: 24,990,474 km (0.059 R)
• M23: 26,106,624 km (0.07 R)
• M24: 27,645,836 km (0.086 R)
• M25: 28,040,026 km (0.03 R)
• M26: 29,859,885 km (0.09 R)
• M27: 31,757,234 km (0.09 R)
• M28: 35,095,511 km (0.085 R)
• M29: 41,939,613 km (0.05 R)
• M30: 42,199,315 km (0.058 R)
• M31: 43,513,682 km (0.067 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: 292 - 20,046 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit