🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.48 AU - 0.64 AU

Year: 160 Days

Day: 12.7 Hours

Environment

Temp: 153 °C

Axial Tilt: 34.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.24 AU - 1.3 AU

Year: 548 Days

Day: 39.3 Hours

Environment

Temp: -36 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.1 AU - 1.46 AU

Year: 554 Days

Day: 14.3 Hours

Environment

Temp: -41 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 100,807,730 km

• M1: 721,361 km (0.11 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.36 AU - 1.72 AU

Year: 732 Days

Day: 45.3 Hours

Environment

Temp: -66 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 100,807,730 km

• M1: 73,453 km (0.03 R)
• M2: 410,197 km (0.063 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.77 AU - 3.19 AU

Year: 1970 Days

Day: 31.1 Hours

Environment

Temp: -122 °C

Axial Tilt: 24.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.02 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.3

Radius: 13.3

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.37 AU - 5.73 AU

Year: 4345 Days

Day: 12.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 69.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 100,807,730 km

• M1: 165,455 km (0.052 R)
• M2: 613,351 km (0.066 R)
• M3: 1,463,366 km (0.113 R)
• M4: 1,953,449 km (0.066 R)
• M5: 2,408,227 km (0.115 R)
• M6: 3,857,531 km (0.096 R)
• M7: 4,460,261 km (0.107 R)
• M8: 5,538,263 km (0.088 R)
• M9: 5,973,593 km (0.115 R)
• M10: 7,629,043 km (0.109 R)
• M11: 8,544,133 km (0.095 R)
• M12: 9,287,634 km (0.119 R)
• M13: 10,201,976 km (0.07 R)
• M14: 11,591,292 km (0.055 R)
• M15: 12,307,118 km (0.075 R)
• M16: 13,153,991 km (0.107 R)
• M17: 16,278,941 km (0.053 R)
• M18: 18,812,381 km (0.089 R)
• M19: 20,275,149 km (0.051 R)
• M20: 22,683,076 km (0.039 R)
• M21: 23,955,855 km (0.085 R)
• M22: 26,236,475 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 231.4

Radius: 5.8

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 10.77 AU - 13.91 AU

Year: 16597 Days

Day: 21.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 100,807,730 km

• M1: 82,728 km (0.107 R)
• M2: 793,467 km (0.047 R)
• M3: 2,252,196 km (0.1 R)
• M4: 2,676,755 km (0.083 R)
• M5: 4,189,638 km (0.095 R)
• M6: 6,233,893 km (0.059 R)
• M7: 6,794,885 km (0.114 R)
• M8: 8,816,700 km (0.106 R)
• M9: 13,627,917 km (0.11 R)
• M10: 16,937,172 km (0.061 R)
• M11: 17,584,931 km (0.088 R)
• M12: 19,784,169 km (0.109 R)
• M13: 24,537,641 km (0.099 R)
• M14: 41,930,338 km (0.105 R)
• M15: 42,453,482 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 998.1

Radius: 3.8

Gravity: 69.12 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 12.69 AU - 19.97 AU

Year: 25267 Days

Day: 24.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 100,807,730 km

• M1: 59,091 km (0.114 R)
• M2: 243,994 km (0.069 R)
• M3: 749,336 km (0.043 R)
• M4: 980,464 km (0.111 R)
• M5: 1,305,541 km (0.108 R)
• M6: 1,547,291 km (0.063 R)
• M7: 2,306,949 km (0.026 R)
• M8: 2,429,170 km (0.117 R)
• M9: 4,517,108 km (0.115 R)
• M10: 5,403,475 km (0.109 R)
• M11: 6,304,353 km (0.095 R)
• M12: 8,227,284 km (0.066 R)
• M13: 8,513,914 km (0.057 R)
• M14: 8,689,093 km (0.083 R)
• M15: 8,807,275 km (0.087 R)
• M16: 9,290,477 km (0.113 R)
• M17: 9,601,191 km (0.09 R)
• M18: 13,650,507 km (0.07 R)
• M19: 13,971,244 km (0.115 R)
• M20: 14,544,503 km (0.058 R)
• M21: 17,087,069 km (0.098 R)
• M22: 17,365,919 km (0.032 R)
• M23: 20,323,320 km (0.085 R)
• M24: 21,379,181 km (0.117 R)
• M25: 23,599,513 km (0.053 R)
• M26: 26,461,021 km (0.111 R)
• M27: 27,210,955 km (0.08 R)
• M28: 29,412,288 km (0.117 R)
• M29: 32,291,897 km (0.082 R)
• M30: 34,460,169 km (0.077 R)
• M31: 36,877,820 km (0.03 R)
• M32: 37,499,399 km (0.092 R)
• M33: 37,655,878 km (0.088 R)
• M34: 38,923,571 km (0.097 R)
• M35: 39,083,940 km (0.087 R)
• M36: 48,232,149 km (0.069 R)
• M37: 49,162,348 km (0.108 R)
• M38: 50,104,366 km (0.119 R)
• M39: 51,250,735 km (0.071 R)
• M40: 58,708,338 km (0.077 R)
• M41: 63,913,297 km (0.066 R)
• M42: 68,712,696 km (0.081 R)
• M43: 73,501,623 km (0.032 R)
• M44: 76,730,842 km (0.116 R)
• M45: 96,634,689 km (0.111 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 272 - 18,910 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit