🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.09 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.18 AU - 2.18 AU

Year: 1142 Days

Day: 17.4 Hours

Environment

Temp: -56 °C

Axial Tilt: 32.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640

Radius: 11.2

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 4.8 AU - 6.8 AU

Year: 4955 Days

Day: 9.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 73.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,761,850 km

• M1: 139,276 km (0.036 R)
• M2: 528,080 km (0.088 R)
• M3: 967,898 km (0.12 R)
• M4: 2,065,049 km (0.113 R)
• M5: 2,445,028 km (0.08 R)
• M6: 3,210,221 km (0.12 R)
• M7: 3,855,885 km (0.064 R)
• M8: 4,293,309 km (0.106 R)
• M9: 4,687,051 km (0.086 R)
• M10: 5,213,336 km (0.112 R)
• M11: 5,926,320 km (0.111 R)
• M12: 6,866,393 km (0.11 R)
• M13: 7,939,458 km (0.12 R)
• M14: 9,241,259 km (0.108 R)
• M15: 10,680,540 km (0.063 R)
• M16: 11,925,793 km (0.072 R)
• M17: 13,316,903 km (0.107 R)
• M18: 13,786,192 km (0.079 R)
• M19: 15,659,756 km (0.104 R)
• M20: 17,141,672 km (0.117 R)
• M21: 17,697,428 km (0.098 R)
• M22: 19,172,314 km (0.106 R)
• M23: 20,177,312 km (0.097 R)
• M24: 26,465,060 km (0.047 R)
• M25: 28,476,403 km (0.072 R)
• M26: 28,907,844 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.4

Radius: 8.7

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 5.39 AU - 6.59 AU

Year: 5201 Days

Day: 10.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,761,850 km

• M1: 108,309 km (0.1 R)
• M2: 434,283 km (0.117 R)
• M3: 736,022 km (0.042 R)
• M4: 1,042,099 km (0.097 R)
• M5: 1,589,328 km (0.1 R)
• M6: 1,972,448 km (0.108 R)
• M7: 2,624,545 km (0.102 R)
• M8: 3,487,126 km (0.099 R)
• M9: 4,987,294 km (0.109 R)
• M10: 6,054,824 km (0.075 R)
• M11: 6,330,084 km (0.116 R)
• M12: 13,853,361 km (0.111 R)
• M13: 17,115,492 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 12.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475

Radius: 9.7

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 9.71 AU - 15.51 AU

Year: 15886 Days

Day: 7.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,761,850 km

• M1: 120,725 km (0.115 R)
• M2: 451,187 km (0.101 R)
• M3: 803,789 km (0.079 R)
• M4: 2,307,098 km (0.084 R)
• M5: 3,184,639 km (0.096 R)
• M6: 3,921,409 km (0.105 R)
• M7: 5,165,914 km (0.079 R)
• M8: 6,737,290 km (0.088 R)
• M9: 11,021,623 km (0.083 R)
• M10: 13,528,435 km (0.115 R)
• M11: 19,470,911 km (0.112 R)
• M12: 23,478,189 km (0.079 R)
• M13: 24,927,643 km (0.109 R)
• M14: 25,926,508 km (0.061 R)
• M15: 33,079,081 km (0.086 R)
• M16: 34,162,918 km (0.094 R)
• M17: 37,816,397 km (0.087 R)
• M18: 47,236,575 km (0.077 R)
• M19: 49,384,800 km (0.062 R)
• M20: 51,758,021 km (0.117 R)
• M21: 54,871,901 km (0.096 R)
• M22: 56,559,813 km (0.072 R)

Kuiper Belt

Range: 30.9 - 56.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 12,398 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit