🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.65 AU - 0.95 AU

Year: 253 Days

Day: 20.5 Hours

Environment

Temp: 164 °C

Axial Tilt: 42.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 111,968,725 km

• M1: 117,285 km (0.083 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.68 AU - 0.98 AU

Year: 267 Days

Day: 26.6 Hours

Environment

Temp: 120 °C

Axial Tilt: 34.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 111,968,725 km

• M1: 103,522 km (0.097 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.71 AU - 1.81 AU

Year: 824 Days

Day: 32.5 Hours

Environment

Temp: -41 °C

Axial Tilt: 13 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456

Radius: 10.3

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 6.91 AU - 7.05 AU

Year: 6512 Days

Day: 7.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 111,968,725 km

• M1: 128,056 km (0.08 R)
• M2: 461,509 km (0.056 R)
• M3: 876,045 km (0.054 R)
• M4: 1,540,858 km (0.101 R)
• M5: 2,635,166 km (0.082 R)
• M6: 3,656,471 km (0.09 R)
• M7: 4,607,764 km (0.079 R)
• M8: 5,866,480 km (0.07 R)
• M9: 8,452,878 km (0.083 R)
• M10: 9,887,671 km (0.094 R)
• M11: 11,913,675 km (0.098 R)
• M12: 15,450,169 km (0.111 R)
• M13: 16,463,395 km (0.1 R)
• M14: 17,393,744 km (0.04 R)
• M15: 22,129,265 km (0.078 R)
• M16: 23,725,474 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.5

Radius: 10.2

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 5.76 AU - 9.34 AU

Year: 7325 Days

Day: 8.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 111,968,725 km

• M1: 127,308 km (0.081 R)
• M2: 465,848 km (0.064 R)
• M3: 1,173,147 km (0.07 R)
• M4: 1,990,250 km (0.088 R)
• M5: 2,441,736 km (0.082 R)
• M6: 2,960,841 km (0.072 R)
• M7: 3,324,364 km (0.114 R)
• M8: 3,888,946 km (0.107 R)
• M9: 4,273,413 km (0.039 R)
• M10: 5,582,095 km (0.116 R)
• M11: 6,072,776 km (0.045 R)
• M12: 6,415,654 km (0.086 R)
• M13: 7,798,986 km (0.094 R)
• M14: 8,582,131 km (0.118 R)
• M15: 9,058,899 km (0.116 R)
• M16: 10,113,265 km (0.042 R)
• M17: 10,449,860 km (0.092 R)
• M18: 10,993,948 km (0.119 R)
• M19: 11,556,735 km (0.085 R)
• M20: 12,574,150 km (0.113 R)
• M21: 13,020,101 km (0.051 R)
• M22: 14,909,821 km (0.112 R)
• M23: 15,283,517 km (0.086 R)
• M24: 16,179,907 km (0.042 R)
• M25: 16,975,768 km (0.115 R)
• M26: 19,668,679 km (0.109 R)
• M27: 20,118,520 km (0.072 R)
• M28: 20,961,055 km (0.078 R)
• M29: 29,338,835 km (0.074 R)
• M30: 31,531,491 km (0.106 R)
• M31: 32,044,612 km (0.103 R)
• M32: 38,410,899 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475

Radius: 11.2

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 10.2 AU - 13.22 AU

Year: 14149 Days

Day: 9.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 111,968,725 km

• M1: 197,619 km (0.058 R)
• M2: 612,304 km (0.112 R)
• M3: 982,708 km (0.106 R)
• M4: 1,697,487 km (0.064 R)
• M5: 4,468,937 km (0.104 R)
• M6: 4,870,757 km (0.088 R)
• M7: 8,772,718 km (0.108 R)
• M8: 10,707,318 km (0.107 R)
• M9: 11,092,682 km (0.099 R)
• M10: 14,054,570 km (0.086 R)
• M11: 15,333,183 km (0.09 R)
• M12: 17,659,430 km (0.059 R)
• M13: 18,275,923 km (0.12 R)
• M14: 27,445,525 km (0.105 R)
• M15: 28,904,253 km (0.087 R)
• M16: 30,414,145 km (0.092 R)
• M17: 33,356,585 km (0.11 R)
• M18: 41,668,542 km (0.063 R)
• M19: 47,030,130 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 698.8

Radius: 7.4

Gravity: 12.76 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 11.1 AU - 15.88 AU

Year: 17495 Days

Day: 19.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 111,968,725 km

• M1: 94,995 km (0.065 R)
• M2: 988,543 km (0.043 R)
• M3: 1,238,521 km (0.117 R)
• M4: 1,869,973 km (0.116 R)
• M5: 2,538,526 km (0.115 R)
• M6: 4,774,416 km (0.078 R)
• M7: 5,425,316 km (0.103 R)
• M8: 7,036,485 km (0.115 R)
• M9: 10,567,594 km (0.097 R)
• M10: 10,866,341 km (0.1 R)
• M11: 11,418,207 km (0.117 R)
• M12: 12,053,250 km (0.094 R)
• M13: 13,186,304 km (0.115 R)
• M14: 15,973,313 km (0.107 R)
• M15: 18,519,618 km (0.109 R)
• M16: 18,954,200 km (0.106 R)
• M17: 22,482,466 km (0.071 R)
• M18: 24,504,580 km (0.099 R)
• M19: 25,990,087 km (0.107 R)
• M20: 29,491,575 km (0.109 R)
• M21: 32,786,917 km (0.051 R)
• M22: 34,067,175 km (0.102 R)
• M23: 42,607,269 km (0.086 R)
• M24: 45,062,469 km (0.09 R)
• M25: 48,262,068 km (0.066 R)
• M26: 56,734,544 km (0.104 R)
• M27: 59,890,909 km (0.085 R)
• M28: 63,358,438 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 883.3

Radius: 6.1

Gravity: 23.74 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 15.11 AU - 24.77 AU

Year: 31440 Days

Day: 18.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 111,968,725 km

• M1: 93,499 km (0.089 R)
• M2: 284,086 km (0.097 R)
• M3: 525,687 km (0.079 R)
• M4: 717,621 km (0.105 R)
• M5: 1,112,111 km (0.11 R)
• M6: 1,997,431 km (0.05 R)
• M7: 2,558,572 km (0.084 R)
• M8: 3,846,460 km (0.116 R)
• M9: 4,320,237 km (0.038 R)
• M10: 4,591,159 km (0.109 R)
• M11: 6,713,204 km (0.116 R)
• M12: 9,542,549 km (0.089 R)
• M13: 11,692,869 km (0.12 R)
• M14: 12,762,194 km (0.027 R)
• M15: 14,062,499 km (0.107 R)
• M16: 14,831,432 km (0.106 R)
• M17: 16,640,070 km (0.096 R)
• M18: 17,990,191 km (0.038 R)
• M19: 18,188,857 km (0.108 R)
• M20: 18,692,104 km (0.12 R)
• M21: 18,998,331 km (0.103 R)
• M22: 21,016,556 km (0.062 R)
• M23: 23,056,323 km (0.076 R)
• M24: 25,348,761 km (0.065 R)
• M25: 30,946,414 km (0.101 R)
• M26: 32,098,617 km (0.074 R)
• M27: 32,391,081 km (0.116 R)
• M28: 36,674,068 km (0.115 R)
• M29: 40,123,495 km (0.067 R)
• M30: 44,686,230 km (0.093 R)
• M31: 47,092,063 km (0.045 R)
• M32: 49,973,767 km (0.099 R)
• M33: 58,882,021 km (0.069 R)
• M34: 59,981,865 km (0.113 R)
• M35: 61,319,718 km (0.084 R)
• M36: 66,395,275 km (0.11 R)
• M37: 71,743,698 km (0.101 R)
• M38: 81,645,731 km (0.105 R)
• M39: 100,626,409 km (0.11 R)
• M40: 100,939,368 km (0.079 R)
• M41: 105,388,558 km (0.102 R)
• M42: 105,711,241 km (0.061 R)

Kuiper Belt

Range: 31.1 - 53.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 16,817 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit