🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.47 AU - 0.63 AU

Year: 263 Days

Day: 16.8 Hours

Environment

Temp: -123 °C

Axial Tilt: 25 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,299,552 km

• M1: 111,002 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.8

Radius: 9.4

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.79 AU - 1.25 AU

Year: 665 Days

Day: 12.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,299,552 km

• M1: 116,986 km (0.086 R)
• M2: 536,757 km (0.089 R)
• M3: 877,990 km (0.073 R)
• M4: 1,464,862 km (0.115 R)
• M5: 1,763,609 km (0.039 R)
• M6: 2,294,831 km (0.096 R)
• M7: 2,658,354 km (0.077 R)
• M8: 3,232,062 km (0.112 R)
• M9: 3,886,104 km (0.045 R)
• M10: 4,804,336 km (0.041 R)
• M11: 5,546,790 km (0.103 R)
• M12: 6,070,233 km (0.104 R)
• M13: 6,832,733 km (0.061 R)
• M14: 7,390,284 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187

Radius: 13.1

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.47 AU - 1.73 AU

Year: 1307 Days

Day: 12.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,299,552 km

• M1: 163,959 km (0.098 R)
• M2: 614,099 km (0.112 R)
• M3: 1,035,816 km (0.059 R)
• M4: 1,882,839 km (0.104 R)
• M5: 2,327,144 km (0.086 R)
• M6: 2,888,286 km (0.107 R)
• M7: 3,986,634 km (0.115 R)
• M8: 4,503,793 km (0.068 R)
• M9: 5,292,922 km (0.085 R)
• M10: 5,881,440 km (0.049 R)
• M11: 6,513,342 km (0.107 R)
• M12: 7,455,808 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.8

Radius: 9

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.77 AU - 2.07 AU

Year: 1718 Days

Day: 11.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,299,552 km

• M1: 111,899 km (0.116 R)
• M2: 455,077 km (0.118 R)
• M3: 878,887 km (0.096 R)
• M4: 1,736,233 km (0.082 R)
• M5: 3,629,544 km (0.1 R)
• M6: 3,933,227 km (0.109 R)
• M7: 4,458,615 km (0.113 R)
• M8: 6,415,205 km (0.1 R)
• M9: 7,014,345 km (0.037 R)
• M10: 7,380,710 km (0.036 R)
• M11: 10,181,781 km (0.05 R)
• M12: 11,101,808 km (0.074 R)
• M13: 11,528,162 km (0.07 R)
• M14: 12,039,188 km (0.102 R)
• M15: 12,375,783 km (0.116 R)
• M16: 13,185,407 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.5

Radius: 13.2

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.09 AU - 3.15 AU

Year: 2738 Days

Day: 11.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,299,552 km

• M1: 164,258 km (0.046 R)
• M2: 584,778 km (0.055 R)
• M3: 1,002,306 km (0.102 R)
• M4: 1,553,873 km (0.111 R)
• M5: 2,728,366 km (0.09 R)
• M6: 3,363,409 km (0.091 R)
• M7: 4,095,391 km (0.12 R)
• M8: 4,536,406 km (0.07 R)
• M9: 6,724,723 km (0.072 R)
• M10: 7,521,183 km (0.037 R)
• M11: 9,094,803 km (0.036 R)
• M12: 9,543,147 km (0.11 R)
• M13: 10,195,843 km (0.106 R)
• M14: 11,213,707 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.8

Radius: 8.5

Gravity: 10.75 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.62 AU - 3.12 AU

Year: 3139 Days

Day: 8.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,299,552 km

• M1: 108,458 km (0.086 R)
• M2: 400,174 km (0.093 R)
• M3: 701,764 km (0.109 R)
• M4: 1,125,275 km (0.063 R)
• M5: 1,469,051 km (0.094 R)
• M6: 1,784,254 km (0.1 R)
• M7: 2,131,022 km (0.119 R)
• M8: 2,826,203 km (0.079 R)
• M9: 3,546,816 km (0.103 R)
• M10: 5,636,399 km (0.119 R)
• M11: 6,018,322 km (0.096 R)
• M12: 6,417,449 km (0.103 R)
• M13: 6,713,204 km (0.116 R)
• M14: 7,364,254 km (0.087 R)
• M15: 7,688,732 km (0.115 R)
• M16: 8,158,918 km (0.096 R)
• M17: 9,046,482 km (0.065 R)
• M18: 9,418,981 km (0.089 R)
• M19: 10,476,040 km (0.089 R)
• M20: 14,021,808 km (0.043 R)
• M21: 14,571,730 km (0.036 R)
• M22: 16,253,360 km (0.079 R)
• M23: 17,885,772 km (0.039 R)
• M24: 18,711,702 km (0.071 R)
• M25: 19,194,903 km (0.097 R)
• M26: 19,810,648 km (0.083 R)
• M27: 21,211,632 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 506.6

Radius: 7.4

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 9.45 AU - 10.13 AU

Year: 19778 Days

Day: 23.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 68,299,552 km

• M1: 92,003 km (0.048 R)
• M2: 322,234 km (0.09 R)
• M3: 621,430 km (0.086 R)
• M4: 1,000,062 km (0.101 R)
• M5: 2,498,883 km (0.076 R)
• M6: 2,892,924 km (0.037 R)
• M7: 3,143,500 km (0.081 R)
• M8: 3,688,934 km (0.067 R)
• M9: 4,200,559 km (0.04 R)
• M10: 5,002,403 km (0.098 R)
• M11: 5,254,476 km (0.067 R)
• M12: 5,629,368 km (0.082 R)
• M13: 6,183,927 km (0.1 R)
• M14: 7,825,465 km (0.077 R)
• M15: 8,067,514 km (0.083 R)
• M16: 8,465,444 km (0.034 R)
• M17: 11,626,747 km (0.104 R)
• M18: 12,134,631 km (0.083 R)
• M19: 12,459,558 km (0.106 R)
• M20: 14,171,705 km (0.118 R)
• M21: 16,505,582 km (0.053 R)
• M22: 17,972,239 km (0.086 R)
• M23: 18,996,985 km (0.071 R)
• M24: 21,919,379 km (0.1 R)
• M25: 22,792,283 km (0.114 R)
• M26: 27,731,406 km (0.087 R)
• M27: 33,466,240 km (0.109 R)
• M28: 37,699,411 km (0.112 R)
• M29: 40,087,293 km (0.062 R)
• M30: 63,116,538 km (0.109 R)
• M31: 66,675,621 km (0.109 R)
• M32: 67,281,493 km (0.104 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 16,156 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit