🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.5 AU - 0.7 AU

Year: 300 Days

Day: 33 Hours

Environment

Temp: -130 °C

Axial Tilt: 13 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,113,432 km

• M1: 37,549 km (0.088 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.57 AU - 0.63 AU

Year: 300 Days

Day: 34 Hours

Environment

Temp: -126 °C

Axial Tilt: 35.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,113,432 km

• M1: 70,909 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.1

Radius: 8.1

Gravity: 8.73 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.88 AU - 1.28 AU

Year: 725 Days

Day: 14.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 174.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,113,432 km

• M1: 100,679 km (0.088 R)
• M2: 389,553 km (0.101 R)
• M3: 708,346 km (0.106 R)
• M4: 979,417 km (0.032 R)
• M5: 1,294,171 km (0.1 R)
• M6: 1,885,980 km (0.046 R)
• M7: 2,229,158 km (0.118 R)
• M8: 2,635,615 km (0.075 R)
• M9: 3,436,113 km (0.078 R)
• M10: 4,452,481 km (0.083 R)
• M11: 4,793,415 km (0.044 R)
• M12: 7,507,270 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.4

Radius: 11

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.26 AU - 4.28 AU

Year: 4726 Days

Day: 11.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,113,432 km

• M1: 138,528 km (0.112 R)
• M2: 835,504 km (0.11 R)
• M3: 1,299,258 km (0.109 R)
• M4: 1,652,458 km (0.044 R)
• M5: 2,142,541 km (0.026 R)
• M6: 3,069,000 km (0.097 R)
• M7: 3,686,840 km (0.077 R)
• M8: 4,059,937 km (0.081 R)
• M9: 6,107,931 km (0.056 R)
• M10: 8,131,542 km (0.105 R)
• M11: 9,275,666 km (0.094 R)
• M12: 10,742,623 km (0.104 R)
• M13: 11,234,202 km (0.114 R)
• M14: 12,310,409 km (0.103 R)
• M15: 12,998,409 km (0.077 R)
• M16: 13,972,890 km (0.113 R)
• M17: 14,397,449 km (0.071 R)
• M18: 15,384,346 km (0.116 R)
• M19: 16,769,772 km (0.062 R)
• M20: 18,489,100 km (0.075 R)
• M21: 22,275,273 km (0.071 R)
• M22: 22,709,256 km (0.084 R)
• M23: 23,669,226 km (0.097 R)
• M24: 24,121,161 km (0.119 R)
• M25: 26,468,501 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749

Radius: 12.5

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 5.11 AU - 5.59 AU

Year: 7990 Days

Day: 13.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,113,432 km

• M1: 156,031 km (0.073 R)
• M2: 786,137 km (0.048 R)
• M3: 1,199,476 km (0.108 R)
• M4: 2,948,873 km (0.089 R)
• M5: 3,642,559 km (0.076 R)
• M6: 4,724,450 km (0.102 R)
• M7: 5,293,820 km (0.055 R)
• M8: 5,709,253 km (0.093 R)
• M9: 6,112,270 km (0.069 R)
• M10: 6,570,338 km (0.115 R)
• M11: 9,124,423 km (0.065 R)
• M12: 11,002,774 km (0.04 R)
• M13: 13,011,574 km (0.106 R)
• M14: 14,254,882 km (0.086 R)
• M15: 17,183,859 km (0.107 R)
• M16: 17,743,654 km (0.113 R)
• M17: 18,315,567 km (0.048 R)
• M18: 20,648,844 km (0.12 R)
• M19: 22,837,013 km (0.093 R)
• M20: 27,479,483 km (0.1 R)
• M21: 31,556,923 km (0.046 R)
• M22: 35,680,887 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 706.3

Radius: 7.5

Gravity: 12.56 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.18 AU - 7.68 AU

Year: 10528 Days

Day: 19.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 120.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 50,113,432 km

• M1: 99,931 km (0.078 R)
• M2: 347,815 km (0.085 R)
• M3: 819,946 km (0.103 R)
• M4: 1,167,911 km (0.118 R)
• M5: 1,416,991 km (0.053 R)
• M6: 1,940,284 km (0.114 R)
• M7: 2,312,185 km (0.089 R)
• M8: 2,586,098 km (0.036 R)
• M9: 3,106,250 km (0.052 R)
• M10: 3,642,559 km (0.118 R)
• M11: 4,296,301 km (0.034 R)
• M12: 5,220,517 km (0.102 R)
• M13: 5,942,177 km (0.117 R)
• M14: 6,345,792 km (0.101 R)
• M15: 6,846,347 km (0.114 R)
• M16: 8,644,363 km (0.113 R)
• M17: 9,019,555 km (0.059 R)
• M18: 9,702,170 km (0.109 R)
• M19: 11,615,227 km (0.102 R)
• M20: 12,305,173 km (0.032 R)
• M21: 14,149,565 km (0.077 R)
• M22: 15,408,581 km (0.109 R)
• M23: 16,812,706 km (0.046 R)
• M24: 17,695,184 km (0.106 R)
• M25: 19,472,108 km (0.062 R)
• M26: 21,364,820 km (0.118 R)
• M27: 26,381,734 km (0.064 R)
• M28: 28,487,923 km (0.056 R)
• M29: 31,467,015 km (0.099 R)
• M30: 33,488,082 km (0.09 R)
• M31: 34,296,957 km (0.105 R)
• M32: 34,764,900 km (0.066 R)
• M33: 35,237,180 km (0.082 R)
• M34: 35,474,891 km (0.05 R)
• M35: 38,036,156 km (0.067 R)
• M36: 38,537,459 km (0.047 R)
• M37: 40,457,248 km (0.041 R)
• M38: 43,934,351 km (0.034 R)
• M39: 46,454,926 km (0.117 R)
• M40: 47,171,799 km (0.087 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 16,540 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit