🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.13 AU - 1.23 AU

Year: 446 Days

Day: 32.2 Hours

Environment

Temp: 24 °C

Axial Tilt: 6.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 68,714,351 km

• M1: 62,083 km (0.087 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.01 AU - 1.59 AU

Year: 516 Days

Day: 28.6 Hours

Environment

Temp: 19 °C

Axial Tilt: 39.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.48 AU - 2.22 AU

Year: 876 Days

Day: 20.5 Hours

Environment

Temp: -44 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.5 AU - 3.54 AU

Year: 2300 Days

Day: 26.1 Hours

Environment

Temp: -96 °C

Axial Tilt: 27.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,714,351 km

• M1: 1,965,566 km (0.053 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.7 AU - 6.12 AU

Year: 3789 Days

Day: 20.6 Hours

Environment

Temp: -123 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.41 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 11.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.3

Radius: 13.6

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 10.45 AU - 13.35 AU

Year: 14296 Days

Day: 14.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,714,351 km

• M1: 169,943 km (0.07 R)
• M2: 744,100 km (0.105 R)
• M3: 1,225,356 km (0.072 R)
• M4: 1,764,956 km (0.089 R)
• M5: 3,085,157 km (0.09 R)
• M6: 3,708,232 km (0.104 R)
• M7: 6,167,771 km (0.079 R)
• M8: 6,844,851 km (0.052 R)
• M9: 8,214,868 km (0.057 R)
• M10: 8,848,564 km (0.112 R)
• M11: 9,417,635 km (0.085 R)
• M12: 12,056,092 km (0.119 R)
• M13: 17,689,499 km (0.088 R)
• M14: 19,136,111 km (0.09 R)
• M15: 22,963,423 km (0.092 R)
• M16: 24,591,048 km (0.052 R)
• M17: 25,718,118 km (0.109 R)
• M18: 27,572,533 km (0.106 R)
• M19: 29,829,367 km (0.101 R)
• M20: 31,875,417 km (0.101 R)
• M21: 33,101,970 km (0.117 R)
• M22: 40,739,839 km (0.055 R)
• M23: 46,295,903 km (0.074 R)
• M24: 46,863,478 km (0.109 R)
• M25: 47,579,752 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 13.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746

Radius: 8.4

Gravity: 10.57 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 10.34 AU - 15.68 AU

Year: 16342 Days

Day: 9.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 68,714,351 km

• M1: 104,868 km (0.094 R)
• M2: 446,101 km (0.113 R)
• M3: 728,093 km (0.101 R)
• M4: 1,121,535 km (0.099 R)
• M5: 1,719,478 km (0.053 R)
• M6: 1,986,211 km (0.05 R)
• M7: 2,385,338 km (0.085 R)
• M8: 2,719,091 km (0.093 R)
• M9: 3,972,721 km (0.111 R)
• M10: 4,642,770 km (0.082 R)
• M11: 5,536,168 km (0.072 R)
• M12: 6,003,662 km (0.113 R)
• M13: 9,877,499 km (0.053 R)
• M14: 10,802,163 km (0.071 R)
• M15: 12,037,841 km (0.097 R)
• M16: 13,365,074 km (0.059 R)
• M17: 13,781,554 km (0.099 R)
• M18: 19,302,164 km (0.035 R)
• M19: 21,114,991 km (0.073 R)
• M20: 21,585,327 km (0.062 R)
• M21: 22,062,694 km (0.071 R)
• M22: 23,941,045 km (0.056 R)
• M23: 24,349,597 km (0.107 R)
• M24: 29,040,986 km (0.057 R)
• M25: 31,659,248 km (0.12 R)
• M26: 32,524,223 km (0.071 R)
• M27: 34,301,445 km (0.054 R)
• M28: 34,820,849 km (0.081 R)
• M29: 44,473,502 km (0.036 R)
• M30: 48,590,884 km (0.078 R)
• M31: 49,907,196 km (0.094 R)
• M32: 51,585,834 km (0.033 R)
• M33: 51,926,019 km (0.108 R)
• M34: 52,439,140 km (0.114 R)
• M35: 56,847,041 km (0.109 R)
• M36: 58,308,164 km (0.087 R)
• M37: 59,234,025 km (0.061 R)
• M38: 66,191,223 km (0.07 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 926

Radius: 4.4

Gravity: 47.83 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 13.56 AU - 18.3 AU

Year: 22142 Days

Day: 21.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,714,351 km

• M1: 54,902 km (0.117 R)
• M2: 266,434 km (0.105 R)
• M3: 416,480 km (0.066 R)
• M4: 796,459 km (0.111 R)
• M5: 1,093,411 km (0.085 R)
• M6: 1,361,939 km (0.034 R)
• M7: 1,729,202 km (0.041 R)
• M8: 2,159,744 km (0.1 R)
• M9: 2,607,790 km (0.098 R)
• M10: 3,347,552 km (0.067 R)
• M11: 3,717,657 km (0.048 R)
• M12: 3,979,154 km (0.116 R)
• M13: 5,392,405 km (0.089 R)
• M14: 5,600,346 km (0.086 R)
• M15: 6,865,196 km (0.097 R)
• M16: 7,512,506 km (0.086 R)
• M17: 7,667,639 km (0.072 R)
• M18: 9,396,841 km (0.058 R)
• M19: 10,968,366 km (0.077 R)
• M20: 12,273,907 km (0.115 R)
• M21: 13,075,303 km (0.116 R)
• M22: 16,894,686 km (0.073 R)
• M23: 17,702,215 km (0.093 R)
• M24: 20,985,290 km (0.052 R)
• M25: 23,864,750 km (0.108 R)
• M26: 24,765,927 km (0.051 R)
• M27: 26,041,848 km (0.089 R)
• M28: 29,358,283 km (0.101 R)
• M29: 32,260,182 km (0.086 R)
• M30: 43,748,701 km (0.088 R)
• M31: 48,945,282 km (0.115 R)
• M32: 51,505,201 km (0.09 R)
• M33: 52,252,591 km (0.106 R)
• M34: 52,817,922 km (0.087 R)
• M35: 60,129,069 km (0.096 R)
• M36: 73,605,892 km (0.114 R)
• M37: 78,920,805 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.1

Radius: 7.1

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 13.52 AU - 22.24 AU

Year: 26330 Days

Day: 19 Hours

Environment

Temp: -194 °C

Axial Tilt: 52.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,714,351 km

• M1: 91,255 km (0.108 R)
• M2: 495,169 km (0.09 R)
• M3: 880,533 km (0.089 R)
• M4: 1,186,461 km (0.107 R)
• M5: 1,500,018 km (0.047 R)
• M6: 1,761,964 km (0.075 R)
• M7: 2,233,197 km (0.091 R)
• M8: 3,005,421 km (0.074 R)
• M9: 3,397,966 km (0.09 R)
• M10: 5,737,078 km (0.117 R)
• M11: 6,258,876 km (0.092 R)
• M12: 8,666,504 km (0.074 R)
• M13: 9,407,462 km (0.107 R)
• M14: 9,737,625 km (0.054 R)
• M15: 10,715,396 km (0.098 R)
• M16: 11,075,478 km (0.102 R)
• M17: 13,757,020 km (0.059 R)
• M18: 19,817,978 km (0.07 R)
• M19: 20,728,431 km (0.114 R)
• M20: 26,024,345 km (0.078 R)
• M21: 26,566,188 km (0.117 R)
• M22: 29,272,115 km (0.074 R)
• M23: 30,213,534 km (0.089 R)
• M24: 40,473,405 km (0.056 R)
• M25: 41,493,961 km (0.054 R)
• M26: 45,434,818 km (0.107 R)
• M27: 51,462,715 km (0.1 R)
• M28: 57,635,422 km (0.057 R)
• M29: 61,375,219 km (0.09 R)
• M30: 62,527,871 km (0.118 R)

Kuiper Belt

Range: 31.5 - 53.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 403 - 12,322 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit