🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.87 AU - 0.93 AU

Year: 327 Days

Day: 32.8 Hours

Environment

Temp: 35 °C

Axial Tilt: 41.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 114,211,482 km

• M1: 69,563 km (0.102 R)
• M2: 662,419 km (0.069 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.92 AU - 1.32 AU

Year: 454 Days

Day: 25.5 Hours

Environment

Temp: -6 °C

Axial Tilt: 2.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 114,211,482 km

• M1: 172,337 km (0.118 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.04 AU - 1.24 AU

Year: 466 Days

Day: 42.7 Hours

Environment

Temp: -18 °C

Axial Tilt: 28.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.43 AU - 1.89 AU

Year: 819 Days

Day: 17 Hours

Environment

Temp: -69 °C

Axial Tilt: 49.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 114,211,482 km

• M1: 275,410 km (0.042 R)
• M2: 535,860 km (0.071 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.8 AU - 2 AU

Year: 1003 Days

Day: 29.6 Hours

Environment

Temp: -70 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.15 AU - 2.57 AU

Year: 1388 Days

Day: 16.8 Hours

Environment

Temp: -105 °C

Axial Tilt: 29.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.77 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.2

Radius: 9.7

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 5.08 AU - 5.28 AU

Year: 4514 Days

Day: 9.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 114,211,482 km

• M1: 120,576 km (0.092 R)
• M2: 429,346 km (0.078 R)
• M3: 750,682 km (0.11 R)
• M4: 1,174,493 km (0.107 R)
• M5: 1,638,097 km (0.071 R)
• M6: 2,618,860 km (0.075 R)
• M7: 2,983,879 km (0.061 R)
• M8: 3,505,826 km (0.109 R)
• M9: 5,419,931 km (0.055 R)
• M10: 5,787,792 km (0.085 R)
• M11: 6,546,552 km (0.12 R)
• M12: 7,165,289 km (0.106 R)
• M13: 7,761,138 km (0.116 R)
• M14: 9,326,230 km (0.106 R)
• M15: 9,748,246 km (0.095 R)
• M16: 12,385,806 km (0.055 R)
• M17: 12,982,702 km (0.11 R)
• M18: 13,509,436 km (0.062 R)
• M19: 14,652,513 km (0.105 R)
• M20: 15,127,337 km (0.06 R)
• M21: 15,710,619 km (0.087 R)
• M22: 17,130,153 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.4

Radius: 8

Gravity: 10.04 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 6.13 AU - 6.81 AU

Year: 6301 Days

Day: 10.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 114,211,482 km

• M1: 99,483 km (0.08 R)
• M2: 523,293 km (0.059 R)
• M3: 973,284 km (0.062 R)
• M4: 1,771,538 km (0.04 R)
• M5: 2,046,499 km (0.077 R)
• M6: 3,831,351 km (0.094 R)
• M7: 4,120,075 km (0.113 R)
• M8: 4,906,511 km (0.116 R)
• M9: 6,670,569 km (0.096 R)
• M10: 7,751,713 km (0.057 R)
• M11: 8,534,559 km (0.107 R)
• M12: 8,945,354 km (0.107 R)
• M13: 10,441,183 km (0.077 R)
• M14: 12,880,227 km (0.073 R)
• M15: 13,530,828 km (0.068 R)
• M16: 18,988,907 km (0.119 R)
• M17: 19,689,324 km (0.055 R)
• M18: 25,670,695 km (0.111 R)
• M19: 28,295,988 km (0.072 R)
• M20: 30,331,267 km (0.062 R)
• M21: 31,191,306 km (0.093 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.5

Radius: 8.4

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 6.5 AU - 6.92 AU

Year: 6655 Days

Day: 9.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 114,211,482 km

• M1: 104,719 km (0.083 R)
• M2: 397,631 km (0.112 R)
• M3: 709,543 km (0.072 R)
• M4: 1,159,383 km (0.108 R)
• M5: 1,461,721 km (0.05 R)
• M6: 1,856,809 km (0.12 R)
• M7: 2,401,345 km (0.09 R)
• M8: 2,755,443 km (0.11 R)
• M9: 3,124,800 km (0.072 R)
• M10: 3,654,377 km (0.075 R)
• M11: 4,435,577 km (0.118 R)
• M12: 5,158,883 km (0.114 R)
• M13: 5,548,884 km (0.118 R)
• M14: 7,037,832 km (0.063 R)
• M15: 8,430,139 km (0.083 R)
• M16: 8,737,114 km (0.081 R)
• M17: 9,011,776 km (0.071 R)
• M18: 9,373,354 km (0.101 R)
• M19: 10,385,234 km (0.089 R)
• M20: 12,328,361 km (0.079 R)
• M21: 12,874,842 km (0.1 R)
• M22: 13,437,479 km (0.116 R)
• M23: 14,611,673 km (0.089 R)
• M24: 16,439,759 km (0.116 R)
• M25: 17,656,737 km (0.116 R)
• M26: 24,113,382 km (0.111 R)
• M27: 26,491,539 km (0.088 R)
• M28: 26,902,484 km (0.071 R)
• M29: 27,317,768 km (0.074 R)
• M30: 27,653,017 km (0.081 R)
• M31: 28,246,322 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 19.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 917.2

Radius: 5.8

Gravity: 27.27 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 16.21 AU - 21.85 AU

Year: 31785 Days

Day: 20.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 114,211,482 km

• M1: 72,106 km (0.066 R)
• M2: 365,617 km (0.04 R)
• M3: 642,822 km (0.094 R)
• M4: 1,270,984 km (0.116 R)
• M5: 1,877,004 km (0.1 R)
• M6: 2,269,250 km (0.114 R)
• M7: 2,604,649 km (0.089 R)
• M8: 3,918,417 km (0.075 R)
• M9: 4,136,830 km (0.083 R)
• M10: 4,678,075 km (0.119 R)
• M11: 5,397,342 km (0.099 R)
• M12: 6,043,156 km (0.061 R)
• M13: 6,842,756 km (0.092 R)
• M14: 9,728,798 km (0.055 R)
• M15: 10,130,169 km (0.069 R)
• M16: 12,382,066 km (0.106 R)
• M17: 13,665,616 km (0.12 R)
• M18: 14,771,892 km (0.111 R)
• M19: 16,213,866 km (0.101 R)
• M20: 16,683,005 km (0.071 R)
• M21: 20,332,295 km (0.068 R)
• M22: 23,276,381 km (0.117 R)
• M23: 29,159,467 km (0.112 R)
• M24: 30,699,877 km (0.118 R)
• M25: 30,985,609 km (0.057 R)
• M26: 33,487,035 km (0.075 R)
• M27: 38,388,908 km (0.085 R)
• M28: 40,579,619 km (0.1 R)
• M29: 44,292,040 km (0.082 R)
• M30: 46,324,177 km (0.068 R)
• M31: 49,979,003 km (0.034 R)
• M32: 65,571,739 km (0.098 R)
• M33: 67,964,856 km (0.076 R)
• M34: 69,674,311 km (0.079 R)
• M35: 70,663,901 km (0.109 R)
• M36: 71,662,915 km (0.088 R)
• M37: 79,188,286 km (0.116 R)
• M38: 84,114,544 km (0.079 R)
• M39: 89,531,932 km (0.07 R)
• M40: 90,408,127 km (0.031 R)
• M41: 91,585,013 km (0.09 R)
• M42: 95,784,973 km (0.104 R)
• M43: 104,566,518 km (0.101 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 19,408 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit