🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.61 AU - 0.89 AU

Year: 243 Days

Day: 32.1 Hours

Environment

Temp: 119 °C

Axial Tilt: 6.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.79 AU - 1.11 AU

Year: 347 Days

Day: 40.4 Hours

Environment

Temp: 11 °C

Axial Tilt: 28.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 95,020,088 km

• M1: 50,564 km (0.059 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.9 AU - 2 AU

Year: 1020 Days

Day: 45.4 Hours

Environment

Temp: -76 °C

Axial Tilt: 31.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 95,020,088 km

• M1: 73,752 km (0.105 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.08 AU - 2.42 AU

Year: 1265 Days

Day: 36.3 Hours

Environment

Temp: -91 °C

Axial Tilt: 1.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 95,020,088 km

• M1: 1,111,512 km (0.117 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.66 AU - 2.98 AU

Year: 1775 Days

Day: 44.6 Hours

Environment

Temp: -110 °C

Axial Tilt: 15.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.17 AU - 3.85 AU

Year: 2464 Days

Day: 33.5 Hours

Environment

Temp: -128 °C

Axial Tilt: 47.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 95,020,088 km

• M1: 1,652,308 km (0.033 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.3

Radius: 11.5

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.47 AU - 4.51 AU

Year: 3565 Days

Day: 10.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 95,020,088 km

• M1: 143,016 km (0.117 R)
• M2: 521,199 km (0.107 R)
• M3: 963,560 km (0.109 R)
• M4: 1,351,766 km (0.043 R)
• M5: 1,859,202 km (0.106 R)
• M6: 2,276,132 km (0.049 R)
• M7: 2,859,414 km (0.027 R)
• M8: 3,244,329 km (0.115 R)
• M9: 3,963,745 km (0.051 R)
• M10: 4,687,051 km (0.072 R)
• M11: 5,579,552 km (0.089 R)
• M12: 6,037,172 km (0.1 R)
• M13: 6,866,243 km (0.087 R)
• M14: 8,016,501 km (0.083 R)
• M15: 8,826,574 km (0.089 R)
• M16: 10,353,369 km (0.101 R)
• M17: 10,739,482 km (0.117 R)
• M18: 12,621,722 km (0.088 R)
• M19: 13,412,646 km (0.09 R)
• M20: 14,394,606 km (0.094 R)
• M21: 15,423,840 km (0.029 R)
• M22: 15,871,586 km (0.087 R)
• M23: 16,793,109 km (0.117 R)
• M24: 19,124,592 km (0.082 R)
• M25: 21,456,075 km (0.062 R)
• M26: 23,233,148 km (0.06 R)
• M27: 24,800,185 km (0.115 R)
• M28: 26,756,327 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.9

Radius: 11.2

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 4.96 AU - 5.7 AU

Year: 4611 Days

Day: 7.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 95,020,088 km

• M1: 142,716 km (0.108 R)
• M2: 1,239,718 km (0.077 R)
• M3: 1,918,742 km (0.104 R)
• M4: 2,635,914 km (0.11 R)
• M5: 3,566,413 km (0.097 R)
• M6: 3,967,485 km (0.086 R)
• M7: 4,523,840 km (0.106 R)
• M8: 5,733,638 km (0.115 R)
• M9: 7,217,200 km (0.093 R)
• M10: 8,085,915 km (0.113 R)
• M11: 9,392,502 km (0.107 R)
• M12: 12,369,949 km (0.066 R)
• M13: 13,347,272 km (0.115 R)
• M14: 16,466,836 km (0.027 R)
• M15: 18,820,310 km (0.096 R)
• M16: 23,023,561 km (0.095 R)
• M17: 23,560,468 km (0.115 R)
• M18: 24,819,184 km (0.099 R)
• M19: 27,044,004 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 887.2

Radius: 5.3

Gravity: 31.58 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 12.36 AU - 20.12 AU

Year: 24525 Days

Day: 23.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 95,020,088 km

• M1: 66,272 km (0.11 R)
• M2: 532,419 km (0.052 R)
• M3: 737,966 km (0.099 R)
• M4: 1,133,204 km (0.098 R)
• M5: 2,922,095 km (0.117 R)
• M6: 3,119,415 km (0.097 R)
• M7: 3,540,682 km (0.082 R)
• M8: 4,033,308 km (0.114 R)
• M9: 4,798,053 km (0.112 R)
• M10: 5,113,405 km (0.078 R)
• M11: 6,610,281 km (0.093 R)
• M12: 7,355,129 km (0.085 R)
• M13: 8,546,676 km (0.042 R)
• M14: 8,892,845 km (0.088 R)
• M15: 10,114,312 km (0.119 R)
• M16: 13,340,390 km (0.091 R)
• M17: 14,122,488 km (0.063 R)
• M18: 15,101,007 km (0.074 R)
• M19: 15,950,275 km (0.113 R)
• M20: 16,211,173 km (0.081 R)
• M21: 16,830,808 km (0.064 R)
• M22: 18,978,584 km (0.081 R)
• M23: 20,885,209 km (0.063 R)
• M24: 23,136,956 km (0.051 R)
• M25: 24,957,562 km (0.04 R)
• M26: 26,871,518 km (0.099 R)
• M27: 32,635,224 km (0.109 R)
• M28: 33,055,744 km (0.105 R)
• M29: 34,483,656 km (0.115 R)
• M30: 38,232,429 km (0.105 R)
• M31: 38,543,592 km (0.084 R)
• M32: 39,805,151 km (0.108 R)
• M33: 45,823,473 km (0.109 R)
• M34: 53,772,805 km (0.099 R)
• M35: 53,967,881 km (0.094 R)
• M36: 54,359,528 km (0.084 R)
• M37: 66,331,097 km (0.072 R)
• M38: 69,750,007 km (0.036 R)
• M39: 73,045,349 km (0.097 R)
• M40: 85,926,474 km (0.111 R)
• M41: 94,735,544 km (0.111 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 14,815 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit