🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.6

Radius: 11.8

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.52 AU - 0.52 AU

Year: 264 Days

Day: 14.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 14,738,569 km

• M1: 146,756 km (0.101 R)
• M2: 567,724 km (0.083 R)
• M3: 1,051,673 km (0.105 R)
• M4: 1,544,448 km (0.072 R)
• M5: 2,067,143 km (0.055 R)
• M6: 2,723,280 km (0.097 R)
• M7: 3,101,164 km (0.089 R)
• M8: 3,534,848 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.6

Radius: 14.4

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.54 AU - 0.84 AU

Year: 403 Days

Day: 6.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 14,738,569 km

• M1: 179,069 km (0.103 R)
• M2: 721,810 km (0.108 R)
• M3: 1,382,584 km (0.114 R)
• M4: 1,922,333 km (0.098 R)
• M5: 3,041,923 km (0.083 R)
• M6: 4,247,383 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.6

Radius: 12

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.8 AU - 0.9 AU

Year: 551 Days

Day: 6.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 14,738,569 km

• M1: 149,299 km (0.083 R)
• M2: 525,089 km (0.12 R)
• M3: 936,183 km (0.107 R)
• M4: 1,355,806 km (0.12 R)
• M5: 1,774,530 km (0.097 R)
• M6: 2,234,095 km (0.117 R)
• M7: 2,635,615 km (0.115 R)
• M8: 3,372,834 km (0.048 R)
• M9: 4,723,553 km (0.1 R)
• M10: 5,206,903 km (0.095 R)
• M11: 6,561,662 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.4

Radius: 14.3

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.86 AU - 1 AU

Year: 630 Days

Day: 6.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 14,738,569 km

• M1: 178,470 km (0.094 R)
• M2: 661,821 km (0.118 R)
• M3: 1,466,957 km (0.073 R)
• M4: 2,399,999 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.2

Radius: 8.7

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.99 AU - 1.25 AU

Year: 833 Days

Day: 5.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 14,738,569 km

• M1: 108,309 km (0.095 R)
• M2: 418,575 km (0.105 R)
• M3: 842,386 km (0.032 R)
• M4: 1,599,052 km (0.051 R)
• M5: 2,060,860 km (0.067 R)
• M6: 2,358,261 km (0.061 R)
• M7: 2,741,680 km (0.025 R)
• M8: 3,728,577 km (0.025 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.5

Radius: 11

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.11 AU - 1.25 AU

Year: 901 Days

Day: 12.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 14,738,569 km

• M1: 136,732 km (0.073 R)
• M2: 481,705 km (0.093 R)
• M3: 876,644 km (0.109 R)
• M4: 1,395,599 km (0.052 R)
• M5: 1,781,561 km (0.117 R)
• M6: 2,163,335 km (0.119 R)
• M7: 2,506,363 km (0.062 R)
• M8: 2,947,826 km (0.061 R)
• M9: 3,750,419 km (0.108 R)
• M10: 4,196,819 km (0.028 R)
• M11: 4,692,885 km (0.08 R)
• M12: 5,212,439 km (0.034 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.4

Radius: 10.4

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.38 AU - 1.7 AU

Year: 1343 Days

Day: 13.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 14,738,569 km

• M1: 129,402 km (0.116 R)
• M2: 502,200 km (0.05 R)
• M3: 1,064,239 km (0.104 R)
• M4: 1,587,832 km (0.067 R)
• M5: 1,942,080 km (0.071 R)
• M6: 2,337,317 km (0.104 R)
• M7: 3,723,641 km (0.077 R)
• M8: 4,174,678 km (0.094 R)
• M9: 4,546,130 km (0.06 R)
• M10: 4,899,330 km (0.112 R)
• M11: 5,270,782 km (0.098 R)
• M12: 5,661,083 km (0.098 R)
• M13: 6,140,993 km (0.043 R)
• M14: 6,898,706 km (0.07 R)
• M15: 8,079,781 km (0.053 R)
• M16: 9,111,707 km (0.119 R)
• M17: 9,675,541 km (0.066 R)
• M18: 10,130,020 km (0.049 R)
• M19: 10,838,515 km (0.115 R)
• M20: 11,187,228 km (0.034 R)
• M21: 12,204,045 km (0.102 R)

Asteroid Belt

Center: 3.65 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 21.2

Radius: 6.3

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 4.77 AU - 6.73 AU

Year: 9692 Days

Day: 19.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 14,738,569 km

• M1: 106,364 km (0.097 R)
• M2: 370,105 km (0.118 R)
• M3: 3,073,937 km (0.103 R)
• M4: 3,389,589 km (0.109 R)
• M5: 4,728,789 km (0.091 R)
• M6: 5,128,365 km (0.11 R)
• M7: 6,615,966 km (0.109 R)
• M8: 6,876,117 km (0.106 R)
• M9: 8,161,461 km (0.084 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 449 - 16,064 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit