🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.62 AU - 0.9 AU

Year: 254 Days

Day: 41.9 Hours

Environment

Temp: 159 °C

Axial Tilt: 18.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 70,683,274 km

• M1: 123,867 km (0.085 R)
• M2: 443,707 km (0.069 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.78 AU - 0.84 AU

Year: 279 Days

Day: 39.4 Hours

Environment

Temp: 44 °C

Axial Tilt: 29.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 70,683,274 km

• M1: 289,771 km (0.118 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.76 AU - 1.18 AU

Year: 366 Days

Day: 18 Hours

Environment

Temp: 13 °C

Axial Tilt: 23.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.93 AU - 1.29 AU

Year: 448 Days

Day: 24.1 Hours

Environment

Temp: -3 °C

Axial Tilt: 26 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.1 AU - 3.6 AU

Year: 2348 Days

Day: 24.5 Hours

Environment

Temp: -128 °C

Axial Tilt: 13.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,683,274 km

• M1: 1,846,935 km (0.052 R)

Asteroid Belt

Center: 7.54 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 11.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 389.7

Radius: 5.7

Gravity: 11.99 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 10.89 AU - 12.55 AU

Year: 15362 Days

Day: 20.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 70,683,274 km

• M1: 70,909 km (0.096 R)
• M2: 300,991 km (0.053 R)
• M3: 425,905 km (0.106 R)
• M4: 620,233 km (0.078 R)
• M5: 922,570 km (0.036 R)
• M6: 1,456,784 km (0.079 R)
• M7: 1,651,411 km (0.066 R)
• M8: 1,878,201 km (0.101 R)
• M9: 2,840,265 km (0.091 R)
• M10: 3,371,487 km (0.12 R)
• M11: 5,786,894 km (0.101 R)
• M12: 6,211,453 km (0.109 R)
• M13: 8,732,776 km (0.067 R)
• M14: 9,034,814 km (0.119 R)
• M15: 9,165,862 km (0.051 R)
• M16: 10,434,451 km (0.118 R)
• M17: 10,859,908 km (0.117 R)
• M18: 11,935,666 km (0.11 R)
• M19: 12,238,003 km (0.11 R)
• M20: 13,485,051 km (0.084 R)
• M21: 14,405,377 km (0.107 R)
• M22: 15,584,209 km (0.116 R)
• M23: 16,572,602 km (0.105 R)
• M24: 18,515,878 km (0.032 R)
• M25: 18,766,454 km (0.054 R)
• M26: 19,914,768 km (0.106 R)
• M27: 22,727,058 km (0.096 R)
• M28: 23,918,456 km (0.114 R)
• M29: 25,213,076 km (0.062 R)
• M30: 26,691,701 km (0.066 R)
• M31: 27,219,183 km (0.112 R)
• M32: 27,675,456 km (0.079 R)
• M33: 30,252,878 km (0.115 R)
• M34: 31,056,668 km (0.039 R)
• M35: 31,707,269 km (0.047 R)
• M36: 38,675,238 km (0.076 R)
• M37: 41,712,823 km (0.101 R)
• M38: 43,226,903 km (0.108 R)
• M39: 43,513,832 km (0.112 R)
• M40: 44,574,032 km (0.11 R)
• M41: 48,435,602 km (0.099 R)
• M42: 49,451,671 km (0.099 R)
• M43: 52,563,157 km (0.099 R)

Asteroid Belt

Center: 12.77 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 13.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 413.4

Radius: 3.3

Gravity: 37.96 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 12.88 AU - 14.74 AU

Year: 19650 Days

Day: 24.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 70,683,274 km

• M1: 137,630 km (0.062 R)
• M2: 240,254 km (0.059 R)
• M3: 590,313 km (0.111 R)
• M4: 866,321 km (0.086 R)
• M5: 1,033,272 km (0.08 R)
• M6: 1,215,632 km (0.11 R)
• M7: 2,098,709 km (0.087 R)
• M8: 2,505,615 km (0.097 R)
• M9: 5,605,283 km (0.118 R)
• M10: 5,910,013 km (0.101 R)
• M11: 6,915,012 km (0.074 R)
• M12: 8,409,196 km (0.094 R)
• M13: 9,019,405 km (0.099 R)
• M14: 9,308,129 km (0.106 R)
• M15: 10,820,863 km (0.104 R)
• M16: 11,947,784 km (0.073 R)
• M17: 12,673,483 km (0.116 R)
• M18: 16,044,970 km (0.109 R)
• M19: 16,559,138 km (0.103 R)
• M20: 17,081,384 km (0.06 R)
• M21: 17,611,858 km (0.058 R)
• M22: 18,218,178 km (0.075 R)
• M23: 18,354,462 km (0.074 R)
• M24: 18,628,226 km (0.041 R)
• M25: 21,478,365 km (0.1 R)
• M26: 26,379,490 km (0.117 R)
• M27: 29,062,079 km (0.12 R)
• M28: 35,858,909 km (0.119 R)
• M29: 36,915,818 km (0.043 R)
• M30: 42,016,956 km (0.06 R)
• M31: 49,220,691 km (0.081 R)
• M32: 50,118,877 km (0.028 R)
• M33: 51,595,857 km (0.094 R)
• M34: 57,718,449 km (0.108 R)
• M35: 58,568,763 km (0.115 R)
• M36: 61,531,848 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.6

Radius: 4.9

Gravity: 12.44 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 12.89 AU - 21.35 AU

Year: 27122 Days

Day: 19.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,683,274 km

• M1: 137,780 km (0.074 R)
• M2: 282,441 km (0.106 R)
• M3: 711,787 km (0.039 R)
• M4: 2,885,893 km (0.092 R)
• M5: 3,448,081 km (0.091 R)
• M6: 3,862,168 km (0.065 R)
• M7: 3,961,052 km (0.099 R)
• M8: 4,162,710 km (0.037 R)
• M9: 7,520,435 km (0.078 R)
• M10: 9,729,098 km (0.097 R)
• M11: 13,485,949 km (0.115 R)
• M12: 16,673,131 km (0.075 R)
• M13: 21,736,122 km (0.109 R)
• M14: 30,545,043 km (0.111 R)
• M15: 31,010,741 km (0.075 R)
• M16: 32,238,192 km (0.039 R)
• M17: 32,812,797 km (0.119 R)
• M18: 33,977,267 km (0.106 R)
• M19: 35,062,450 km (0.032 R)
• M20: 38,005,489 km (0.049 R)
• M21: 42,807,580 km (0.11 R)
• M22: 44,359,808 km (0.101 R)
• M23: 45,372,286 km (0.114 R)
• M24: 47,779,316 km (0.059 R)
• M25: 49,300,577 km (0.105 R)
• M26: 50,845,773 km (0.075 R)
• M27: 50,965,601 km (0.105 R)
• M28: 65,146,432 km (0.083 R)
• M29: 69,277,876 km (0.063 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 264 - 13,767 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit