🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.48 AU - 0.62 AU

Year: 154 Days

Day: 35.6 Hours

Environment

Temp: 216 °C

Axial Tilt: 32.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.67 AU - 0.81 AU

Year: 240 Days

Day: 38.7 Hours

Environment

Temp: 157 °C

Axial Tilt: 42 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.19 AU - 3.31 AU

Year: 1718 Days

Day: 44 Hours

Environment

Temp: -107 °C

Axial Tilt: 2.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.4

Radius: 11.7

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.12 AU - 7.4 AU

Year: 5900 Days

Day: 6.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,328,024 km

• M1: 145,559 km (0.052 R)
• M2: 555,457 km (0.113 R)
• M3: 938,577 km (0.098 R)
• M4: 1,584,541 km (0.115 R)
• M5: 2,590,287 km (0.113 R)
• M6: 3,424,744 km (0.089 R)
• M7: 3,980,650 km (0.107 R)
• M8: 8,596,791 km (0.1 R)
• M9: 11,125,594 km (0.078 R)
• M10: 11,793,997 km (0.112 R)
• M11: 13,910,059 km (0.103 R)
• M12: 14,320,406 km (0.045 R)
• M13: 15,820,723 km (0.076 R)
• M14: 18,756,581 km (0.089 R)
• M15: 19,321,163 km (0.103 R)
• M16: 24,774,305 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.2

Radius: 13

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.31 AU - 9.07 AU

Year: 8034 Days

Day: 13.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 22,328,024 km

• M1: 163,211 km (0.119 R)
• M2: 602,131 km (0.12 R)
• M3: 1,733,091 km (0.081 R)
• M4: 2,493,797 km (0.109 R)
• M5: 4,284,184 km (0.098 R)
• M6: 4,797,753 km (0.111 R)
• M7: 6,627,634 km (0.049 R)
• M8: 7,396,568 km (0.117 R)
• M9: 8,267,227 km (0.085 R)
• M10: 8,705,250 km (0.066 R)
• M11: 10,113,564 km (0.086 R)
• M12: 11,186,181 km (0.109 R)
• M13: 13,860,542 km (0.052 R)
• M14: 15,313,586 km (0.093 R)
• M15: 15,908,986 km (0.112 R)
• M16: 23,085,046 km (0.103 R)
• M17: 26,325,186 km (0.077 R)
• M18: 30,062,291 km (0.091 R)
• M19: 33,582,927 km (0.084 R)
• M20: 39,922,137 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.5

Radius: 14.2

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 7.36 AU - 8.7 AU

Year: 8572 Days

Day: 13.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 22,328,024 km

• M1: 176,675 km (0.118 R)
• M2: 662,569 km (0.084 R)
• M3: 1,340,547 km (0.073 R)
• M4: 1,831,976 km (0.116 R)
• M5: 2,315,775 km (0.069 R)
• M6: 2,949,920 km (0.042 R)
• M7: 3,548,910 km (0.086 R)
• M8: 4,368,856 km (0.1 R)
• M9: 5,746,054 km (0.03 R)
• M10: 7,074,783 km (0.059 R)
• M11: 7,560,527 km (0.082 R)
• M12: 9,585,035 km (0.031 R)
• M13: 10,592,128 km (0.118 R)
• M14: 11,668,784 km (0.085 R)
• M15: 13,358,043 km (0.09 R)
• M16: 15,743,530 km (0.118 R)
• M17: 16,364,212 km (0.106 R)
• M18: 18,858,158 km (0.053 R)
• M19: 19,955,309 km (0.102 R)
• M20: 22,019,759 km (0.115 R)
• M21: 23,059,614 km (0.067 R)
• M22: 27,549,495 km (0.08 R)
• M23: 28,451,869 km (0.052 R)
• M24: 29,789,873 km (0.083 R)
• M25: 30,847,380 km (0.061 R)
• M26: 35,212,197 km (0.075 R)
• M27: 36,874,678 km (0.049 R)
• M28: 37,480,849 km (0.112 R)
• M29: 38,217,170 km (0.061 R)
• M30: 39,339,602 km (0.063 R)
• M31: 41,650,291 km (0.111 R)
• M32: 45,283,874 km (0.085 R)
• M33: 46,399,874 km (0.079 R)
• M34: 46,964,756 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.6

Radius: 8.3

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 7.45 AU - 10.67 AU

Year: 10274 Days

Day: 6.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,328,024 km

• M1: 103,223 km (0.112 R)
• M2: 667,954 km (0.072 R)
• M3: 1,105,977 km (0.089 R)
• M4: 1,431,801 km (0.095 R)
• M5: 1,970,653 km (0.086 R)
• M6: 3,051,348 km (0.067 R)
• M7: 4,306,324 km (0.113 R)
• M8: 6,122,592 km (0.119 R)
• M9: 8,057,790 km (0.057 R)
• M10: 13,370,310 km (0.059 R)
• M11: 14,587,438 km (0.051 R)
• M12: 15,613,081 km (0.119 R)
• M13: 16,796,101 km (0.065 R)
• M14: 17,807,383 km (0.064 R)
• M15: 19,827,851 km (0.111 R)
• M16: 20,324,516 km (0.067 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: 236 - 15,362 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit