🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.51 AU - 0.55 AU

Year: 245 Days

Day: 37.6 Hours

Environment

Temp: -115 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.9

Radius: 12.9

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.81 AU - 0.87 AU

Year: 489 Days

Day: 5.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,276,230 km

• M1: 160,668 km (0.065 R)
• M2: 816,206 km (0.068 R)
• M3: 1,309,879 km (0.108 R)
• M4: 1,856,809 km (0.077 R)
• M5: 2,621,403 km (0.056 R)
• M6: 3,072,142 km (0.096 R)
• M7: 4,349,109 km (0.087 R)
• M8: 4,985,798 km (0.105 R)
• M9: 5,438,930 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.3

Radius: 8.5

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.93 AU - 0.95 AU

Year: 579 Days

Day: 11.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,276,230 km

• M1: 105,766 km (0.09 R)
• M2: 398,230 km (0.116 R)
• M3: 905,965 km (0.066 R)
• M4: 1,206,357 km (0.06 R)
• M5: 1,483,412 km (0.065 R)
• M6: 1,884,634 km (0.113 R)
• M7: 2,185,924 km (0.098 R)
• M8: 2,528,503 km (0.11 R)
• M9: 2,806,306 km (0.091 R)
• M10: 3,669,187 km (0.098 R)

Asteroid Belt

Center: 1.91 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.5

Radius: 11.6

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.51 AU - 3.25 AU

Year: 3108 Days

Day: 9.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,276,230 km

• M1: 145,110 km (0.066 R)
• M2: 949,946 km (0.113 R)
• M3: 1,497,325 km (0.065 R)
• M4: 1,998,927 km (0.104 R)
• M5: 3,273,501 km (0.072 R)
• M6: 3,781,535 km (0.119 R)
• M7: 4,363,620 km (0.11 R)
• M8: 4,815,256 km (0.103 R)
• M9: 7,561,724 km (0.101 R)
• M10: 8,453,626 km (0.106 R)
• M11: 9,451,145 km (0.104 R)
• M12: 9,863,885 km (0.033 R)
• M13: 11,051,094 km (0.108 R)
• M14: 11,679,405 km (0.105 R)
• M15: 12,420,214 km (0.094 R)
• M16: 15,595,877 km (0.102 R)
• M17: 17,426,806 km (0.099 R)
• M18: 19,698,599 km (0.117 R)
• M19: 20,187,933 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 230.2

Radius: 6.7

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 5.86 AU - 8.56 AU

Year: 12309 Days

Day: 21.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,276,230 km

• M1: 88,113 km (0.061 R)
• M2: 541,993 km (0.098 R)
• M3: 903,870 km (0.072 R)
• M4: 1,254,528 km (0.052 R)
• M5: 3,292,649 km (0.113 R)
• M6: 3,704,791 km (0.106 R)
• M7: 4,333,551 km (0.102 R)
• M8: 5,453,590 km (0.066 R)
• M9: 6,097,310 km (0.094 R)
• M10: 13,985,307 km (0.118 R)
• M11: 16,651,290 km (0.061 R)
• M12: 19,564,858 km (0.078 R)
• M13: 20,081,420 km (0.063 R)
• M14: 21,607,318 km (0.102 R)
• M15: 22,238,771 km (0.109 R)
• M16: 25,060,486 km (0.093 R)
• M17: 27,925,883 km (0.105 R)
• M18: 29,437,420 km (0.108 R)
• M19: 34,725,855 km (0.104 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 458 - 10,874 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit