🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.4 AU - 0.66 AU

Year: 171 Days

Day: 15.2 Hours

Environment

Temp: 36 °C

Axial Tilt: 14.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 37,096,582 km

• M1: 26,329 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.84 AU - 1.08 AU

Year: 417 Days

Day: 41.1 Hours

Environment

Temp: -56 °C

Axial Tilt: 2.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 37,096,582 km

• M1: 33,061 km (0.089 R)
• M2: 70,760 km (0.119 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.81 AU - 2.47 AU

Year: 1387 Days

Day: 47.5 Hours

Environment

Temp: -121 °C

Axial Tilt: 45.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.82 AU - 3.02 AU

Year: 1667 Days

Day: 14.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,096,582 km

• M1: 246,986 km (0.045 R)

Asteroid Belt

Center: 2.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.1

Radius: 8.8

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.55 AU - 4.11 AU

Year: 2692 Days

Day: 8.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,096,582 km

• M1: 109,506 km (0.113 R)
• M2: 463,604 km (0.101 R)
• M3: 2,075,670 km (0.063 R)
• M4: 2,389,676 km (0.075 R)
• M5: 2,692,014 km (0.098 R)
• M6: 3,493,409 km (0.074 R)
• M7: 3,866,507 km (0.038 R)
• M8: 4,168,395 km (0.088 R)
• M9: 4,465,796 km (0.078 R)
• M10: 6,071,280 km (0.111 R)
• M11: 6,612,226 km (0.065 R)
• M12: 7,297,683 km (0.094 R)
• M13: 8,335,743 km (0.101 R)
• M14: 10,411,563 km (0.096 R)
• M15: 10,812,934 km (0.109 R)
• M16: 11,569,151 km (0.03 R)
• M17: 12,893,242 km (0.109 R)
• M18: 14,630,223 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764

Radius: 12.7

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.94 AU - 4.12 AU

Year: 2938 Days

Day: 12.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,096,582 km

• M1: 158,125 km (0.063 R)
• M2: 568,472 km (0.063 R)
• M3: 1,596,060 km (0.106 R)
• M4: 2,322,507 km (0.078 R)
• M5: 3,277,839 km (0.09 R)
• M6: 4,591,607 km (0.06 R)
• M7: 6,427,921 km (0.045 R)
• M8: 7,479,146 km (0.056 R)
• M9: 8,163,107 km (0.08 R)
• M10: 8,852,903 km (0.12 R)
• M11: 9,358,544 km (0.071 R)
• M12: 9,883,483 km (0.117 R)
• M13: 10,309,537 km (0.047 R)
• M14: 11,033,441 km (0.099 R)
• M15: 11,877,323 km (0.116 R)
• M16: 13,316,305 km (0.074 R)
• M17: 14,420,337 km (0.115 R)
• M18: 16,810,163 km (0.059 R)
• M19: 19,695,158 km (0.083 R)
• M20: 20,747,130 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.4

Radius: 9.4

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 3.82 AU - 4.68 AU

Year: 3881 Days

Day: 7.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,096,582 km

• M1: 119,080 km (0.068 R)
• M2: 430,543 km (0.092 R)
• M3: 727,943 km (0.065 R)
• M4: 1,678,189 km (0.071 R)
• M5: 2,064,002 km (0.065 R)
• M6: 2,367,386 km (0.104 R)
• M7: 3,760,142 km (0.077 R)
• M8: 4,237,360 km (0.032 R)
• M9: 5,533,924 km (0.082 R)
• M10: 5,993,639 km (0.104 R)
• M11: 7,619,468 km (0.106 R)
• M12: 8,254,063 km (0.106 R)
• M13: 8,550,865 km (0.036 R)
• M14: 9,413,147 km (0.115 R)
• M15: 9,737,475 km (0.108 R)
• M16: 11,801,028 km (0.118 R)
• M17: 12,825,175 km (0.079 R)
• M18: 13,313,911 km (0.082 R)
• M19: 14,806,449 km (0.109 R)
• M20: 16,304,373 km (0.082 R)
• M21: 19,135,812 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 187

Radius: 3.9

Gravity: 12.29 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 8.07 AU - 10.99 AU

Year: 13031 Days

Day: 21.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 37,096,582 km

• M1: 57,745 km (0.108 R)
• M2: 306,676 km (0.113 R)
• M3: 714,779 km (0.08 R)
• M4: 1,152,203 km (0.086 R)
• M5: 1,491,790 km (0.099 R)
• M6: 1,748,350 km (0.112 R)
• M7: 1,909,916 km (0.117 R)
• M8: 2,162,736 km (0.103 R)
• M9: 2,331,782 km (0.056 R)
• M10: 2,491,403 km (0.101 R)
• M11: 2,872,429 km (0.081 R)
• M12: 3,119,116 km (0.085 R)
• M13: 3,993,964 km (0.069 R)
• M14: 6,246,010 km (0.081 R)
• M15: 6,801,766 km (0.111 R)
• M16: 7,618,720 km (0.104 R)
• M17: 12,272,112 km (0.084 R)
• M18: 13,420,724 km (0.107 R)
• M19: 20,625,507 km (0.093 R)
• M20: 25,381,972 km (0.072 R)
• M21: 29,370,251 km (0.081 R)
• M22: 29,656,581 km (0.1 R)
• M23: 31,912,966 km (0.037 R)
• M24: 32,418,307 km (0.045 R)
• M25: 32,928,735 km (0.09 R)
• M26: 35,996,240 km (0.087 R)
• M27: 36,324,009 km (0.086 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 235 - 14,882 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit