🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.58 AU - 0.94 AU

Year: 243 Days

Day: 28.9 Hours

Environment

Temp: 172 °C

Axial Tilt: 33.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 54,489,377 km

• M1: 182,210 km (0.059 R)
• M2: 356,641 km (0.049 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.66 AU - 0.88 AU

Year: 248 Days

Day: 47.6 Hours

Environment

Temp: 141 °C

Axial Tilt: 49.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 54,489,377 km

• M1: 86,916 km (0.061 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.76 AU - 1.22 AU

Year: 362 Days

Day: 46.4 Hours

Environment

Temp: 20 °C

Axial Tilt: 7.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.26 AU - 1.44 AU

Year: 576 Days

Day: 17.4 Hours

Environment

Temp: -25 °C

Axial Tilt: 0.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.18 AU - 1.6 AU

Year: 602 Days

Day: 31 Hours

Environment

Temp: -38 °C

Axial Tilt: 49 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,489,377 km

• M1: 71,508 km (0.084 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.73 AU - 2.35 AU

Year: 1070 Days

Day: 25 Hours

Environment

Temp: -80 °C

Axial Tilt: 12.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.73 AU - 3.61 AU

Year: 2072 Days

Day: 25.4 Hours

Environment

Temp: -104 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,489,377 km

• M1: 1,505,254 km (0.103 R)

Planet 8 - Terrestrial

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.35 AU - 3.41 AU

Year: 2281 Days

Day: 39.5 Hours

Environment

Temp: -119 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Gas Giant

Semi-Major Axis: 11.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.4

Radius: 9

Gravity: 11.76 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 9.36 AU - 14.58 AU

Year: 15202 Days

Day: 13.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 54,489,377 km

• M1: 111,899 km (0.084 R)
• M2: 738,265 km (0.097 R)
• M3: 1,189,153 km (0.034 R)
• M4: 1,471,295 km (0.069 R)
• M5: 1,798,914 km (0.088 R)
• M6: 2,175,303 km (0.099 R)
• M7: 3,926,196 km (0.063 R)
• M8: 4,943,611 km (0.077 R)
• M9: 5,884,881 km (0.095 R)
• M10: 6,764,068 km (0.084 R)
• M11: 7,397,316 km (0.113 R)
• M12: 8,218,608 km (0.051 R)
• M13: 10,041,757 km (0.081 R)
• M14: 10,986,767 km (0.083 R)
• M15: 12,580,583 km (0.101 R)
• M16: 13,537,560 km (0.118 R)
• M17: 14,250,244 km (0.086 R)
• M18: 18,711,552 km (0.061 R)
• M19: 20,322,871 km (0.093 R)
• M20: 23,717,246 km (0.079 R)
• M21: 29,313,104 km (0.086 R)
• M22: 30,868,623 km (0.096 R)
• M23: 33,625,113 km (0.099 R)
• M24: 34,013,170 km (0.098 R)
• M25: 36,134,169 km (0.099 R)
• M26: 40,931,324 km (0.086 R)
• M27: 41,670,786 km (0.118 R)
• M28: 44,096,964 km (0.09 R)
• M29: 51,766,099 km (0.108 R)
• M30: 52,283,857 km (0.118 R)
• M31: 56,186,267 km (0.073 R)
• M32: 56,733,048 km (0.051 R)
• M33: 63,969,246 km (0.088 R)
• M34: 68,013,924 km (0.094 R)
• M35: 69,051,086 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 14.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 264.7

Radius: 6.4

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 12.65 AU - 15.61 AU

Year: 19498 Days

Day: 19.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 54,489,377 km

• M1: 90,208 km (0.089 R)
• M2: 508,334 km (0.093 R)
• M3: 1,047,035 km (0.033 R)
• M4: 2,256,085 km (0.112 R)
• M5: 2,472,853 km (0.112 R)
• M6: 2,769,057 km (0.092 R)
• M7: 3,282,327 km (0.106 R)
• M8: 3,694,020 km (0.116 R)
• M9: 3,940,408 km (0.101 R)
• M10: 4,746,142 km (0.081 R)
• M11: 5,341,093 km (0.036 R)
• M12: 6,599,211 km (0.09 R)
• M13: 7,686,039 km (0.094 R)
• M14: 8,742,649 km (0.092 R)
• M15: 10,916,755 km (0.102 R)
• M16: 13,491,185 km (0.079 R)
• M17: 15,369,386 km (0.027 R)
• M18: 18,822,254 km (0.094 R)
• M19: 23,495,842 km (0.041 R)
• M20: 24,343,314 km (0.105 R)
• M21: 24,726,434 km (0.052 R)
• M22: 25,210,981 km (0.108 R)
• M23: 26,098,994 km (0.062 R)
• M24: 26,500,365 km (0.085 R)
• M25: 27,109,977 km (0.117 R)
• M26: 27,418,298 km (0.109 R)
• M27: 28,888,246 km (0.103 R)
• M28: 32,213,508 km (0.116 R)
• M29: 32,675,317 km (0.086 R)
• M30: 33,849,061 km (0.078 R)
• M31: 35,662,038 km (0.093 R)
• M32: 36,405,091 km (0.086 R)
• M33: 40,009,352 km (0.089 R)
• M34: 40,677,007 km (0.069 R)
• M35: 47,024,445 km (0.109 R)
• M36: 47,767,946 km (0.076 R)
• M37: 51,133,001 km (0.094 R)
• M38: 52,077,412 km (0.061 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: 445 - 12,706 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit