🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.84 AU - 0.86 AU

Year: 283 Days

Day: 31.6 Hours

Environment

Temp: 131 °C

Axial Tilt: 23.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.85 AU - 1.41 AU

Year: 434 Days

Day: 28.8 Hours

Environment

Temp: 29 °C

Axial Tilt: 4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.99 AU - 1.53 AU

Year: 512 Days

Day: 46.4 Hours

Environment

Temp: -2 °C

Axial Tilt: 11.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.7 AU - 1.86 AU

Year: 859 Days

Day: 19 Hours

Environment

Temp: -49 °C

Axial Tilt: 131.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,249,599 km

• M1: 980,614 km (0.085 R)

Asteroid Belt

Center: 2.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.86 AU - 3.52 AU

Year: 2061 Days

Day: 22.3 Hours

Environment

Temp: -105 °C

Axial Tilt: 28.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,249,599 km

• M1: 1,920,687 km (0.106 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.67 AU - 3.93 AU

Year: 2168 Days

Day: 16.1 Hours

Environment

Temp: -98 °C

Axial Tilt: 10.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Ice Giant

Semi-Major Axis: 14.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 656.1

Radius: 3.4

Gravity: 56.76 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 13.37 AU - 14.95 AU

Year: 19270 Days

Day: 24.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 59,249,599 km

• M1: 42,336 km (0.112 R)
• M2: 192,084 km (0.108 R)
• M3: 376,837 km (0.116 R)
• M4: 886,367 km (0.102 R)
• M5: 1,919,640 km (0.084 R)
• M6: 2,670,172 km (0.053 R)
• M7: 3,019,035 km (0.116 R)
• M8: 3,511,212 km (0.042 R)
• M9: 3,837,185 km (0.09 R)
• M10: 6,573,480 km (0.095 R)
• M11: 6,750,305 km (0.097 R)
• M12: 7,585,958 km (0.1 R)
• M13: 9,019,405 km (0.095 R)
• M14: 11,556,884 km (0.115 R)
• M15: 12,341,675 km (0.034 R)
• M16: 14,984,321 km (0.098 R)
• M17: 16,722,050 km (0.047 R)
• M18: 17,051,764 km (0.064 R)
• M19: 17,639,235 km (0.094 R)
• M20: 17,895,047 km (0.051 R)
• M21: 20,685,496 km (0.034 R)
• M22: 23,443,183 km (0.057 R)
• M23: 24,484,683 km (0.06 R)
• M24: 26,883,635 km (0.039 R)
• M25: 30,157,435 km (0.054 R)
• M26: 31,263,561 km (0.082 R)
• M27: 36,923,447 km (0.059 R)
• M28: 40,213,703 km (0.046 R)
• M29: 43,383,682 km (0.117 R)
• M30: 43,849,829 km (0.119 R)
• M31: 48,361,551 km (0.08 R)
• M32: 67,402,667 km (0.056 R)
• M33: 71,858,888 km (0.119 R)
• M34: 72,075,805 km (0.041 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 383.2

Radius: 6.3

Gravity: 9.65 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 13.21 AU - 18.67 AU

Year: 23016 Days

Day: 19.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,249,599 km

• M1: 78,688 km (0.095 R)
• M2: 287,976 km (0.081 R)
• M3: 915,090 km (0.046 R)
• M4: 2,460,885 km (0.08 R)
• M5: 2,781,324 km (0.085 R)
• M6: 3,422,500 km (0.059 R)
• M7: 3,675,919 km (0.112 R)
• M8: 4,220,754 km (0.101 R)
• M9: 6,138,449 km (0.074 R)
• M10: 8,726,343 km (0.049 R)
• M11: 11,834,837 km (0.113 R)
• M12: 12,090,949 km (0.071 R)
• M13: 13,426,858 km (0.107 R)
• M14: 14,274,180 km (0.11 R)
• M15: 19,581,015 km (0.076 R)
• M16: 26,830,977 km (0.11 R)
• M17: 28,628,993 km (0.05 R)
• M18: 28,859,224 km (0.084 R)
• M19: 57,197,549 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 225.9

Radius: 4.6

Gravity: 10.68 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 14.23 AU - 18.49 AU

Year: 23931 Days

Day: 19.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,249,599 km

• M1: 57,296 km (0.113 R)
• M2: 653,743 km (0.082 R)
• M3: 1,050,327 km (0.117 R)
• M4: 1,288,187 km (0.059 R)
• M5: 1,441,974 km (0.074 R)
• M6: 3,356,827 km (0.11 R)
• M7: 4,963,209 km (0.043 R)
• M8: 7,236,498 km (0.028 R)
• M9: 8,428,194 km (0.085 R)
• M10: 9,745,104 km (0.03 R)
• M11: 14,508,450 km (0.077 R)
• M12: 18,669,216 km (0.103 R)
• M13: 26,661,482 km (0.104 R)
• M14: 29,020,341 km (0.059 R)
• M15: 30,935,493 km (0.105 R)
• M16: 38,633,800 km (0.119 R)
• M17: 39,035,620 km (0.108 R)
• M18: 40,395,165 km (0.116 R)
• M19: 47,515,575 km (0.106 R)
• M20: 57,317,676 km (0.094 R)
• M21: 58,718,511 km (0.082 R)

Kuiper Belt

Range: 30.3 - 59.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 230 - 15,587 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit