🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.53 AU - 0.85 AU

Year: 202 Days

Day: 40.3 Hours

Environment

Temp: 198 °C

Axial Tilt: 35.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 59,883,838 km

• M1: 170,242 km (0.085 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.01 AU - 1.11 AU

Year: 385 Days

Day: 14.7 Hours

Environment

Temp: 150 °C

Axial Tilt: 18 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 59,883,838 km

• M1: 27,376 km (0.101 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.01 AU - 1.47 AU

Year: 488 Days

Day: 32.4 Hours

Environment

Temp: 6 °C

Axial Tilt: 20.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Gas Giant

Semi-Major Axis: 11.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.3

Radius: 14.4

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 10.46 AU - 13.04 AU

Year: 14222 Days

Day: 6.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,883,838 km

• M1: 179,069 km (0.12 R)
• M2: 641,775 km (0.072 R)
• M3: 1,099,993 km (0.103 R)
• M4: 1,612,665 km (0.082 R)
• M5: 2,287,351 km (0.035 R)
• M6: 3,513,306 km (0.116 R)
• M7: 5,000,159 km (0.103 R)
• M8: 5,693,097 km (0.079 R)
• M9: 6,163,133 km (0.12 R)
• M10: 8,661,268 km (0.092 R)
• M11: 9,554,367 km (0.1 R)
• M12: 10,566,098 km (0.096 R)
• M13: 11,158,356 km (0.049 R)
• M14: 12,935,578 km (0.077 R)
• M15: 13,408,008 km (0.119 R)
• M16: 14,459,233 km (0.083 R)
• M17: 17,045,181 km (0.096 R)
• M18: 20,285,022 km (0.114 R)
• M19: 22,241,463 km (0.084 R)
• M20: 26,961,875 km (0.062 R)
• M21: 31,213,745 km (0.099 R)
• M22: 40,158,052 km (0.076 R)
• M23: 44,749,660 km (0.104 R)
• M24: 48,213,150 km (0.096 R)
• M25: 52,021,014 km (0.071 R)
• M26: 60,982,226 km (0.115 R)
• M27: 64,249,144 km (0.119 R)
• M28: 67,630,953 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.3

Radius: 14.8

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 10.08 AU - 13.42 AU

Year: 14222 Days

Day: 6.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,883,838 km

• M1: 194,328 km (0.097 R)
• M2: 821,292 km (0.098 R)
• M3: 1,563,597 km (0.081 R)
• M4: 2,414,809 km (0.112 R)
• M5: 2,936,157 km (0.066 R)
• M6: 3,480,245 km (0.117 R)
• M7: 4,486,141 km (0.112 R)
• M8: 5,940,382 km (0.084 R)
• M9: 7,245,474 km (0.105 R)
• M10: 9,603,884 km (0.095 R)
• M11: 11,397,263 km (0.082 R)
• M12: 13,011,724 km (0.058 R)
• M13: 15,202,435 km (0.113 R)
• M14: 15,712,713 km (0.116 R)
• M15: 17,549,775 km (0.047 R)
• M16: 20,042,973 km (0.081 R)
• M17: 28,158,508 km (0.088 R)
• M18: 30,744,307 km (0.044 R)
• M19: 36,255,044 km (0.095 R)
• M20: 36,905,346 km (0.116 R)
• M21: 39,038,761 km (0.078 R)
• M22: 40,831,841 km (0.072 R)
• M23: 48,241,424 km (0.101 R)
• M24: 49,186,882 km (0.081 R)
• M25: 51,440,724 km (0.084 R)
• M26: 53,762,782 km (0.098 R)
• M27: 54,438,815 km (0.085 R)
• M28: 55,807,934 km (0.027 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.1

Radius: 8.5

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 11.36 AU - 12.68 AU

Year: 14715 Days

Day: 6.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,883,838 km

• M1: 106,962 km (0.106 R)
• M2: 389,254 km (0.112 R)
• M3: 741,108 km (0.114 R)
• M4: 1,292,376 km (0.072 R)
• M5: 2,393,865 km (0.06 R)
• M6: 2,963,534 km (0.053 R)
• M7: 3,752,513 km (0.101 R)
• M8: 4,283,286 km (0.038 R)
• M9: 4,613,000 km (0.11 R)
• M10: 4,927,305 km (0.058 R)
• M11: 6,484,469 km (0.071 R)
• M12: 7,545,567 km (0.104 R)
• M13: 9,649,063 km (0.096 R)
• M14: 10,807,848 km (0.102 R)
• M15: 11,939,406 km (0.09 R)
• M16: 13,085,775 km (0.115 R)
• M17: 13,462,612 km (0.1 R)
• M18: 30,469,646 km (0.103 R)
• M19: 31,804,059 km (0.047 R)
• M20: 33,996,116 km (0.12 R)
• M21: 34,708,800 km (0.098 R)
• M22: 38,421,969 km (0.104 R)
• M23: 44,053,581 km (0.095 R)
• M24: 45,185,289 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 141.2

Radius: 7.3

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 18 AU - 21.3 AU

Year: 30757 Days

Day: 17 Hours

Environment

Temp: -197 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 59,883,838 km

• M1: 91,554 km (0.117 R)
• M2: 395,088 km (0.105 R)
• M3: 710,291 km (0.109 R)
• M4: 1,047,634 km (0.081 R)
• M5: 1,347,877 km (0.052 R)
• M6: 1,754,185 km (0.12 R)
• M7: 2,143,438 km (0.115 R)
• M8: 4,333,551 km (0.101 R)
• M9: 5,254,027 km (0.057 R)
• M10: 5,649,115 km (0.109 R)
• M11: 7,342,862 km (0.111 R)
• M12: 12,433,528 km (0.117 R)
• M13: 15,765,222 km (0.095 R)
• M14: 16,060,977 km (0.092 R)
• M15: 16,970,382 km (0.101 R)
• M16: 17,833,861 km (0.095 R)
• M17: 19,563,063 km (0.08 R)
• M18: 19,818,876 km (0.095 R)
• M19: 20,599,776 km (0.073 R)
• M20: 25,518,255 km (0.085 R)
• M21: 26,442,172 km (0.077 R)
• M22: 27,708,667 km (0.104 R)
• M23: 28,356,725 km (0.097 R)
• M24: 29,236,510 km (0.037 R)
• M25: 29,683,210 km (0.08 R)
• M26: 34,901,333 km (0.057 R)
• M27: 37,201,400 km (0.078 R)
• M28: 39,193,745 km (0.094 R)
• M29: 58,283,929 km (0.114 R)

Kuiper Belt

Range: 31.1 - 56.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 12,104 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit