🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.76 AU - 0.76 AU

Year: 247 Days

Day: 14.7 Hours

Environment

Temp: 110 °C

Axial Tilt: 37.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.85 AU - 0.97 AU

Year: 324 Days

Day: 30 Hours

Environment

Temp: 48 °C

Axial Tilt: 6.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1 AU - 1.2 AU

Year: 430 Days

Day: 44.1 Hours

Environment

Temp: -2 °C

Axial Tilt: 145.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.59 AU - 2.11 AU

Year: 938 Days

Day: 35.9 Hours

Environment

Temp: -61 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.37 AU - 4.73 AU

Year: 3038 Days

Day: 25.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.3

Radius: 13.5

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 7.36 AU - 11.32 AU

Year: 10641 Days

Day: 9.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 74,265,356 km

• M1: 167,849 km (0.098 R)
• M2: 911,649 km (0.048 R)
• M3: 1,453,044 km (0.071 R)
• M4: 2,020,319 km (0.12 R)
• M5: 2,887,987 km (0.097 R)
• M6: 3,520,038 km (0.101 R)
• M7: 4,320,536 km (0.117 R)
• M8: 5,121,334 km (0.06 R)
• M9: 5,542,152 km (0.059 R)
• M10: 6,454,251 km (0.093 R)
• M11: 7,055,335 km (0.095 R)
• M12: 7,732,415 km (0.104 R)
• M13: 8,452,429 km (0.066 R)
• M14: 9,173,042 km (0.077 R)
• M15: 10,592,427 km (0.112 R)
• M16: 12,634,438 km (0.093 R)
• M17: 14,686,173 km (0.066 R)
• M18: 16,493,764 km (0.03 R)
• M19: 17,417,680 km (0.079 R)
• M20: 18,375,854 km (0.099 R)
• M21: 20,248,072 km (0.118 R)
• M22: 24,284,821 km (0.069 R)
• M23: 25,654,539 km (0.086 R)
• M24: 29,686,201 km (0.088 R)
• M25: 31,351,076 km (0.071 R)
• M26: 32,768,366 km (0.109 R)
• M27: 34,439,823 km (0.11 R)
• M28: 35,081,149 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.7

Radius: 11.2

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 10.46 AU - 11.18 AU

Year: 13268 Days

Day: 12.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,265,356 km

• M1: 145,110 km (0.068 R)
• M2: 513,869 km (0.12 R)
• M3: 1,013,675 km (0.091 R)
• M4: 1,959,732 km (0.118 R)
• M5: 2,364,993 km (0.1 R)
• M6: 3,205,284 km (0.104 R)
• M7: 4,039,591 km (0.049 R)
• M8: 5,076,903 km (0.082 R)
• M9: 6,816,277 km (0.096 R)
• M10: 7,337,925 km (0.09 R)
• M11: 7,972,819 km (0.108 R)
• M12: 8,552,211 km (0.093 R)
• M13: 9,017,012 km (0.035 R)
• M14: 9,946,463 km (0.035 R)
• M15: 11,375,721 km (0.103 R)
• M16: 11,824,365 km (0.078 R)
• M17: 12,937,373 km (0.097 R)
• M18: 14,119,047 km (0.032 R)
• M19: 19,651,625 km (0.095 R)
• M20: 20,544,575 km (0.083 R)
• M21: 21,126,660 km (0.082 R)
• M22: 22,586,436 km (0.062 R)
• M23: 23,296,128 km (0.101 R)
• M24: 27,368,482 km (0.105 R)
• M25: 33,011,613 km (0.069 R)
• M26: 34,739,318 km (0.07 R)
• M27: 38,124,419 km (0.078 R)
• M28: 39,768,350 km (0.038 R)
• M29: 45,122,907 km (0.113 R)
• M30: 46,961,614 km (0.057 R)
• M31: 47,826,888 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 525.3

Radius: 4.6

Gravity: 24.83 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 13.8 AU - 15.22 AU

Year: 20604 Days

Day: 20.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 74,265,356 km

• M1: 57,146 km (0.106 R)
• M2: 625,020 km (0.115 R)
• M3: 854,952 km (0.112 R)
• M4: 1,088,325 km (0.113 R)
• M5: 2,946,779 km (0.111 R)
• M6: 3,341,568 km (0.08 R)
• M7: 3,770,614 km (0.116 R)
• M8: 4,365,864 km (0.072 R)
• M9: 4,600,135 km (0.119 R)
• M10: 6,655,908 km (0.106 R)
• M11: 8,256,007 km (0.092 R)
• M12: 8,771,372 km (0.097 R)
• M13: 8,930,245 km (0.113 R)
• M14: 10,095,762 km (0.117 R)
• M15: 10,328,835 km (0.1 R)
• M16: 10,565,350 km (0.116 R)
• M17: 10,745,166 km (0.089 R)
• M18: 11,738,795 km (0.105 R)
• M19: 13,622,382 km (0.103 R)
• M20: 14,710,108 km (0.064 R)
• M21: 15,236,842 km (0.113 R)
• M22: 16,328,159 km (0.118 R)
• M23: 18,840,206 km (0.102 R)
• M24: 20,464,839 km (0.085 R)
• M25: 24,404,649 km (0.099 R)
• M26: 34,657,787 km (0.067 R)
• M27: 38,201,611 km (0.091 R)
• M28: 42,280,098 km (0.118 R)
• M29: 49,426,987 km (0.102 R)
• M30: 51,460,172 km (0.082 R)
• M31: 60,342,246 km (0.095 R)
• M32: 61,302,215 km (0.053 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 403.7

Radius: 3.6

Gravity: 31.15 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 14.94 AU - 18.18 AU

Year: 25121 Days

Day: 19.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 74,265,356 km

• M1: 45,179 km (0.113 R)
• M2: 231,428 km (0.063 R)
• M3: 751,879 km (0.118 R)
• M4: 890,257 km (0.097 R)
• M5: 1,020,407 km (0.096 R)
• M6: 1,334,263 km (0.082 R)
• M7: 1,473,389 km (0.116 R)
• M8: 2,476,892 km (0.043 R)
• M9: 2,860,162 km (0.053 R)
• M10: 3,172,672 km (0.064 R)
• M11: 5,048,629 km (0.07 R)
• M12: 5,235,327 km (0.06 R)
• M13: 5,543,648 km (0.105 R)
• M14: 5,702,222 km (0.115 R)
• M15: 6,453,802 km (0.037 R)
• M16: 6,763,170 km (0.1 R)
• M17: 7,363,806 km (0.095 R)
• M18: 7,555,440 km (0.082 R)
• M19: 8,150,840 km (0.056 R)
• M20: 13,574,062 km (0.045 R)
• M21: 13,717,676 km (0.097 R)
• M22: 16,562,130 km (0.097 R)
• M23: 18,691,955 km (0.083 R)
• M24: 19,228,862 km (0.114 R)
• M25: 21,577,398 km (0.111 R)
• M26: 21,871,508 km (0.071 R)
• M27: 22,168,310 km (0.106 R)
• M28: 22,972,698 km (0.11 R)
• M29: 25,611,754 km (0.115 R)
• M30: 25,941,318 km (0.103 R)
• M31: 27,060,609 km (0.116 R)
• M32: 30,611,165 km (0.086 R)
• M33: 32,625,800 km (0.082 R)
• M34: 32,883,706 km (0.109 R)
• M35: 39,197,185 km (0.067 R)
• M36: 58,217,208 km (0.092 R)
• M37: 59,168,800 km (0.116 R)
• M38: 60,907,576 km (0.048 R)
• M39: 70,975,214 km (0.114 R)
• M40: 71,191,532 km (0.116 R)
• M41: 72,498,270 km (0.098 R)
• M42: 73,378,204 km (0.083 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: 270 - 13,756 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit