🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.58 AU - 0.6 AU

Year: 161 Days

Day: 33.3 Hours

Environment

Temp: 194 °C

Axial Tilt: 28.5 °

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: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.54 AU - 0.74 AU

Year: 182 Days

Day: 39.5 Hours

Environment

Temp: 158 °C

Axial Tilt: 26 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.99 AU - 1.31 AU

Year: 438 Days

Day: 13.1 Hours

Environment

Temp: 29 °C

Axial Tilt: 22 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 70,773,862 km

• M1: 180,714 km (0.051 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.41 AU - 1.61 AU

Year: 658 Days

Day: 17.8 Hours

Environment

Temp: -7 °C

Axial Tilt: 48.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.35 AU - 2.03 AU

Year: 779 Days

Day: 22.2 Hours

Environment

Temp: -43 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,773,862 km

• M1: 41,588 km (0.094 R)

Asteroid Belt

Center: 4.21 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.3

Radius: 12.7

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 5.12 AU - 8.34 AU

Year: 6194 Days

Day: 12.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,773,862 km

• M1: 157,975 km (0.082 R)
• M2: 731,833 km (0.078 R)
• M3: 1,295,368 km (0.099 R)
• M4: 1,926,671 km (0.077 R)
• M5: 2,853,879 km (0.056 R)
• M6: 3,309,254 km (0.119 R)
• M7: 4,237,509 km (0.086 R)
• M8: 4,693,334 km (0.114 R)
• M9: 5,211,691 km (0.117 R)
• M10: 5,609,621 km (0.107 R)
• M11: 6,964,230 km (0.11 R)
• M12: 8,115,535 km (0.062 R)
• M13: 8,526,480 km (0.059 R)
• M14: 9,125,021 km (0.111 R)
• M15: 9,797,165 km (0.11 R)
• M16: 11,856,529 km (0.073 R)
• M17: 13,781,255 km (0.085 R)
• M18: 21,258,007 km (0.052 R)
• M19: 22,681,730 km (0.106 R)
• M20: 24,849,254 km (0.089 R)
• M21: 27,702,534 km (0.074 R)
• M22: 33,105,410 km (0.056 R)
• M23: 34,800,055 km (0.104 R)
• M24: 38,707,851 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.6

Radius: 9.2

Gravity: 9.68 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 6.02 AU - 8.2 AU

Year: 6726 Days

Day: 15 Hours

Environment

Temp: -157 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,773,862 km

• M1: 115,340 km (0.119 R)
• M2: 534,812 km (0.034 R)
• M3: 942,167 km (0.112 R)
• M4: 1,552,676 km (0.1 R)
• M5: 2,721,036 km (0.08 R)
• M6: 3,211,118 km (0.032 R)
• M7: 3,880,868 km (0.076 R)
• M8: 4,838,444 km (0.03 R)
• M9: 6,701,087 km (0.083 R)
• M10: 6,991,157 km (0.111 R)
• M11: 7,635,326 km (0.103 R)
• M12: 9,307,381 km (0.092 R)
• M13: 9,993,138 km (0.117 R)
• M14: 12,146,300 km (0.061 R)
• M15: 12,633,241 km (0.082 R)
• M16: 13,189,595 km (0.073 R)
• M17: 13,762,107 km (0.083 R)
• M18: 14,172,603 km (0.108 R)
• M19: 16,743,742 km (0.105 R)
• M20: 22,789,590 km (0.08 R)
• M21: 23,199,339 km (0.117 R)
• M22: 24,629,494 km (0.085 R)
• M23: 26,296,463 km (0.053 R)
• M24: 26,747,351 km (0.077 R)
• M25: 29,175,624 km (0.094 R)
• M26: 31,241,271 km (0.073 R)
• M27: 32,775,098 km (0.111 R)
• M28: 33,402,512 km (0.118 R)
• M29: 35,661,739 km (0.118 R)
• M30: 37,449,882 km (0.075 R)
• M31: 39,062,996 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 668.1

Radius: 3.8

Gravity: 46.27 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 11.23 AU - 16.35 AU

Year: 18167 Days

Day: 16 Hours

Environment

Temp: -176 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,773,862 km

• M1: 111,750 km (0.092 R)
• M2: 276,606 km (0.112 R)
• M3: 571,613 km (0.09 R)
• M4: 1,534,276 km (0.098 R)
• M5: 2,093,622 km (0.076 R)
• M6: 2,851,635 km (0.115 R)
• M7: 3,777,047 km (0.077 R)
• M8: 4,573,805 km (0.067 R)
• M9: 4,921,770 km (0.1 R)
• M10: 6,364,193 km (0.112 R)
• M11: 6,709,465 km (0.111 R)
• M12: 9,264,596 km (0.11 R)
• M13: 9,991,941 km (0.063 R)
• M14: 13,283,693 km (0.038 R)
• M15: 14,206,861 km (0.114 R)
• M16: 21,895,892 km (0.084 R)
• M17: 26,226,452 km (0.1 R)
• M18: 27,561,164 km (0.119 R)
• M19: 27,901,648 km (0.12 R)
• M20: 32,210,666 km (0.097 R)
• M21: 38,901,131 km (0.081 R)
• M22: 39,186,414 km (0.118 R)
• M23: 40,487,766 km (0.064 R)
• M24: 51,778,965 km (0.079 R)
• M25: 63,604,527 km (0.052 R)

Kuiper Belt

Range: 30.9 - 50.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 15,642 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit