🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.41 AU - 0.61 AU

Year: 135 Days

Day: 18.5 Hours

Environment

Temp: 251 °C

Axial Tilt: 12.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.64 AU - 0.64 AU

Year: 190 Days

Day: 29.9 Hours

Environment

Temp: 211 °C

Axial Tilt: 6.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.88 AU - 1.22 AU

Year: 399 Days

Day: 17.3 Hours

Environment

Temp: 27 °C

Axial Tilt: 16.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 109,421,465 km

• M1: 57,894 km (0.06 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.11 AU - 1.39 AU

Year: 518 Days

Day: 40.7 Hours

Environment

Temp: -17 °C

Axial Tilt: 10 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.44 AU - 4.08 AU

Year: 2704 Days

Day: 18.9 Hours

Environment

Temp: -116 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.01 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.8

Radius: 8.9

Gravity: 8.87 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.23 AU - 6.29 AU

Year: 5809 Days

Day: 8.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 109,421,465 km

• M1: 111,002 km (0.044 R)
• M2: 591,959 km (0.07 R)
• M3: 920,326 km (0.074 R)
• M4: 1,837,511 km (0.101 R)
• M5: 2,257,581 km (0.076 R)
• M6: 3,086,653 km (0.034 R)
• M7: 3,375,826 km (0.097 R)
• M8: 3,728,577 km (0.109 R)
• M9: 4,081,479 km (0.102 R)
• M10: 4,430,790 km (0.037 R)
• M11: 5,133,002 km (0.084 R)
• M12: 5,422,175 km (0.113 R)
• M13: 5,876,354 km (0.03 R)
• M14: 6,965,127 km (0.107 R)
• M15: 7,989,873 km (0.114 R)
• M16: 8,618,932 km (0.075 R)
• M17: 9,028,531 km (0.086 R)
• M18: 9,623,781 km (0.099 R)
• M19: 11,814,941 km (0.104 R)
• M20: 12,946,948 km (0.099 R)
• M21: 20,350,098 km (0.074 R)
• M22: 24,159,607 km (0.076 R)
• M23: 27,005,856 km (0.072 R)
• M24: 31,586,394 km (0.087 R)
• M25: 32,560,725 km (0.07 R)
• M26: 33,154,927 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.9

Radius: 13

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6.3 AU - 6.84 AU

Year: 6245 Days

Day: 11.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 145.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 109,421,465 km

• M1: 161,715 km (0.105 R)
• M2: 736,620 km (0.108 R)
• M3: 1,251,536 km (0.115 R)
• M4: 1,682,527 km (0.081 R)
• M5: 2,200,136 km (0.083 R)
• M6: 2,657,307 km (0.082 R)
• M7: 3,328,253 km (0.075 R)
• M8: 3,829,556 km (0.113 R)
• M9: 5,811,279 km (0.107 R)
• M10: 7,268,063 km (0.064 R)
• M11: 10,054,024 km (0.111 R)
• M12: 13,239,860 km (0.091 R)
• M13: 13,837,953 km (0.074 R)
• M14: 14,716,092 km (0.058 R)
• M15: 19,355,571 km (0.04 R)
• M16: 21,119,180 km (0.084 R)
• M17: 24,739,149 km (0.034 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 992.8

Radius: 6

Gravity: 27.58 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 14.75 AU - 21.59 AU

Year: 28723 Days

Day: 18.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 109,421,465 km

• M1: 81,680 km (0.12 R)
• M2: 299,046 km (0.07 R)
• M3: 549,024 km (0.045 R)
• M4: 814,112 km (0.119 R)
• M5: 1,322,296 km (0.106 R)
• M6: 1,869,525 km (0.068 R)
• M7: 2,230,654 km (0.106 R)
• M8: 3,306,263 km (0.114 R)
• M9: 9,923,425 km (0.055 R)
• M10: 10,392,414 km (0.118 R)
• M11: 11,158,954 km (0.089 R)
• M12: 15,299,075 km (0.102 R)
• M13: 15,744,278 km (0.109 R)
• M14: 17,806,036 km (0.12 R)
• M15: 23,264,114 km (0.077 R)
• M16: 23,734,151 km (0.12 R)
• M17: 25,059,439 km (0.11 R)
• M18: 26,433,345 km (0.1 R)
• M19: 27,333,326 km (0.115 R)
• M20: 31,422,584 km (0.102 R)
• M21: 32,432,070 km (0.031 R)
• M22: 40,958,251 km (0.073 R)
• M23: 42,510,629 km (0.109 R)
• M24: 49,692,224 km (0.102 R)
• M25: 51,854,960 km (0.101 R)
• M26: 53,060,719 km (0.076 R)
• M27: 58,070,602 km (0.078 R)
• M28: 58,501,893 km (0.093 R)
• M29: 59,152,644 km (0.118 R)
• M30: 60,027,791 km (0.115 R)
• M31: 60,468,656 km (0.091 R)
• M32: 62,028,663 km (0.032 R)
• M33: 62,253,658 km (0.082 R)
• M34: 63,615,148 km (0.048 R)
• M35: 67,580,389 km (0.09 R)
• M36: 73,958,794 km (0.097 R)
• M37: 77,815,128 km (0.09 R)
• M38: 79,129,794 km (0.059 R)
• M39: 83,435,968 km (0.087 R)
• M40: 85,925,576 km (0.087 R)
• M41: 86,766,316 km (0.04 R)
• M42: 87,329,851 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 783.3

Radius: 4.6

Gravity: 37.02 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 17.73 AU - 21.53 AU

Year: 32254 Days

Day: 24.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 109,421,465 km

• M1: 57,296 km (0.082 R)
• M2: 292,015 km (0.052 R)
• M3: 663,616 km (0.102 R)
• M4: 893,398 km (0.109 R)
• M5: 1,286,392 km (0.041 R)
• M6: 2,306,949 km (0.095 R)
• M7: 2,458,043 km (0.1 R)
• M8: 3,776,897 km (0.07 R)
• M9: 4,431,987 km (0.12 R)
• M10: 5,964,018 km (0.116 R)
• M11: 6,346,989 km (0.082 R)
• M12: 8,631,648 km (0.095 R)
• M13: 10,223,668 km (0.106 R)
• M14: 12,845,221 km (0.102 R)
• M15: 14,225,860 km (0.12 R)
• M16: 16,523,982 km (0.06 R)
• M17: 16,898,276 km (0.059 R)
• M18: 18,153,552 km (0.115 R)
• M19: 18,552,081 km (0.106 R)
• M20: 18,753,439 km (0.027 R)
• M21: 19,263,269 km (0.089 R)
• M22: 19,992,559 km (0.063 R)
• M23: 22,632,662 km (0.113 R)
• M24: 25,620,580 km (0.112 R)
• M25: 30,230,139 km (0.097 R)
• M26: 33,393,685 km (0.059 R)
• M27: 34,293,367 km (0.091 R)
• M28: 36,929,730 km (0.108 R)
• M29: 49,404,248 km (0.032 R)
• M30: 52,758,831 km (0.116 R)
• M31: 57,534,443 km (0.086 R)
• M32: 61,466,923 km (0.118 R)
• M33: 63,956,231 km (0.1 R)
• M34: 69,134,861 km (0.108 R)
• M35: 81,388,871 km (0.103 R)
• M36: 86,333,530 km (0.115 R)
• M37: 92,937,827 km (0.042 R)
• M38: 99,562,619 km (0.099 R)
• M39: 105,852,013 km (0.116 R)
• M40: 108,766,628 km (0.052 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 17,912 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit