🌌 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: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.9

Radius: 10.4

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.59 AU - 0.75 AU

Year: 372 Days

Day: 11.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,621,639 km

• M1: 129,402 km (0.069 R)
• M2: 533,167 km (0.112 R)
• M3: 928,255 km (0.09 R)
• M4: 1,347,129 km (0.043 R)
• M5: 2,018,225 km (0.108 R)
• M6: 2,908,781 km (0.043 R)
• M7: 3,496,252 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.7

Radius: 8.8

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.57 AU - 0.83 AU

Year: 397 Days

Day: 9.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 48,621,639 km

• M1: 109,506 km (0.109 R)
• M2: 514,168 km (0.092 R)
• M3: 906,413 km (0.066 R)
• M4: 1,326,634 km (0.092 R)
• M5: 2,021,815 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.5

Radius: 11

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.82 AU - 1 AU

Year: 589 Days

Day: 10.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 48,621,639 km

• M1: 136,732 km (0.063 R)
• M2: 571,613 km (0.076 R)
• M3: 983,008 km (0.077 R)
• M4: 2,220,182 km (0.105 R)
• M5: 2,578,020 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.6

Radius: 13.1

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.87 AU - 1.07 AU

Year: 648 Days

Day: 5.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,621,639 km

• M1: 162,912 km (0.086 R)
• M2: 660,026 km (0.117 R)
• M3: 1,213,987 km (0.105 R)
• M4: 1,675,347 km (0.104 R)
• M5: 2,344,647 km (0.104 R)
• M6: 3,108,644 km (0.036 R)
• M7: 3,875,782 km (0.082 R)
• M8: 4,459,662 km (0.116 R)
• M9: 5,275,569 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.4

Radius: 8.9

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.9 AU - 3.04 AU

Year: 3472 Days

Day: 14.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 122.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,621,639 km

• M1: 111,301 km (0.072 R)
• M2: 524,191 km (0.026 R)
• M3: 1,079,199 km (0.081 R)
• M4: 1,510,938 km (0.094 R)
• M5: 5,199,723 km (0.11 R)
• M6: 8,978,266 km (0.08 R)
• M7: 9,770,536 km (0.059 R)
• M8: 13,613,556 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 826.1

Radius: 4.7

Gravity: 37.4 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 4.38 AU - 7.08 AU

Year: 9303 Days

Day: 18.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 48,621,639 km

• M1: 58,493 km (0.053 R)
• M2: 604,226 km (0.074 R)
• M3: 1,079,498 km (0.094 R)
• M4: 1,694,944 km (0.099 R)
• M5: 1,884,185 km (0.073 R)
• M6: 2,249,503 km (0.072 R)
• M7: 2,744,373 km (0.098 R)
• M8: 3,839,280 km (0.062 R)
• M9: 4,167,049 km (0.053 R)
• M10: 4,724,002 km (0.07 R)
• M11: 6,424,929 km (0.108 R)
• M12: 6,808,349 km (0.099 R)
• M13: 8,271,117 km (0.069 R)
• M14: 8,541,290 km (0.092 R)
• M15: 9,880,939 km (0.107 R)
• M16: 10,236,533 km (0.107 R)
• M17: 15,193,908 km (0.096 R)
• M18: 15,667,535 km (0.09 R)
• M19: 16,502,440 km (0.071 R)
• M20: 16,715,617 km (0.065 R)
• M21: 18,412,057 km (0.096 R)
• M22: 19,341,210 km (0.108 R)
• M23: 19,499,035 km (0.035 R)
• M24: 20,710,329 km (0.067 R)
• M25: 22,056,860 km (0.04 R)
• M26: 23,460,536 km (0.084 R)
• M27: 25,866,968 km (0.077 R)
• M28: 29,987,641 km (0.087 R)
• M29: 30,947,312 km (0.089 R)
• M30: 34,874,256 km (0.064 R)
• M31: 41,695,320 km (0.029 R)
• M32: 48,330,883 km (0.075 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 13,899 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit