🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.02 AU - 1.18 AU

Year: 426 Days

Day: 16.7 Hours

Environment

Temp: 21 °C

Axial Tilt: 17.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.05 AU - 1.19 AU

Year: 437 Days

Day: 29.3 Hours

Environment

Temp: 3 °C

Axial Tilt: 22.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.11 AU - 1.29 AU

Year: 485 Days

Day: 27.2 Hours

Environment

Temp: 8 °C

Axial Tilt: 11.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 72,339,792 km

• M1: 77,342 km (0.094 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 4.28 AU - 4.46 AU

Year: 3371 Days

Day: 28.2 Hours

Environment

Temp: -137 °C

Axial Tilt: 1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.1 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.4

Radius: 8.9

Gravity: 11.64 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 5.68 AU - 5.96 AU

Year: 5180 Days

Day: 14.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 72,339,792 km

• M1: 110,702 km (0.075 R)
• M2: 477,965 km (0.094 R)
• M3: 818,450 km (0.106 R)
• M4: 1,164,320 km (0.041 R)
• M5: 2,835,328 km (0.105 R)
• M6: 3,316,286 km (0.09 R)
• M7: 4,114,390 km (0.096 R)
• M8: 4,493,471 km (0.042 R)
• M9: 4,923,416 km (0.078 R)
• M10: 5,559,206 km (0.119 R)
• M11: 5,896,998 km (0.119 R)
• M12: 6,446,172 km (0.049 R)
• M13: 7,243,080 km (0.099 R)
• M14: 8,459,012 km (0.096 R)
• M15: 8,742,200 km (0.1 R)
• M16: 11,436,608 km (0.061 R)
• M17: 14,125,629 km (0.113 R)
• M18: 15,227,118 km (0.068 R)
• M19: 15,586,453 km (0.097 R)
• M20: 16,447,239 km (0.11 R)
• M21: 17,534,516 km (0.116 R)
• M22: 21,380,976 km (0.111 R)
• M23: 24,344,809 km (0.116 R)
• M24: 25,502,547 km (0.101 R)
• M25: 28,829,754 km (0.111 R)
• M26: 30,978,129 km (0.075 R)
• M27: 31,847,143 km (0.077 R)
• M28: 32,336,777 km (0.045 R)
• M29: 33,431,983 km (0.076 R)
• M30: 33,937,773 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.6

Radius: 8.2

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 8.32 AU - 12.4 AU

Year: 12303 Days

Day: 7.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 72,339,792 km

• M1: 102,026 km (0.046 R)
• M2: 377,884 km (0.088 R)
• M3: 767,138 km (0.077 R)
• M4: 1,097,899 km (0.093 R)
• M5: 1,580,352 km (0.064 R)
• M6: 1,953,599 km (0.113 R)
• M7: 2,404,187 km (0.071 R)
• M8: 2,922,544 km (0.078 R)
• M9: 3,615,033 km (0.073 R)
• M10: 4,013,860 km (0.056 R)
• M11: 4,621,377 km (0.079 R)
• M12: 6,091,625 km (0.088 R)
• M13: 6,580,062 km (0.06 R)
• M14: 7,340,618 km (0.109 R)
• M15: 9,035,861 km (0.082 R)
• M16: 10,128,673 km (0.102 R)
• M17: 11,307,205 km (0.119 R)
• M18: 11,987,277 km (0.1 R)
• M19: 14,062,349 km (0.106 R)
• M20: 14,321,303 km (0.057 R)
• M21: 16,508,723 km (0.093 R)
• M22: 18,212,344 km (0.102 R)
• M23: 20,030,108 km (0.112 R)
• M24: 20,689,685 km (0.113 R)
• M25: 21,792,371 km (0.09 R)
• M26: 22,844,642 km (0.042 R)
• M27: 24,766,825 km (0.116 R)
• M28: 28,001,430 km (0.079 R)
• M29: 28,722,043 km (0.082 R)
• M30: 29,034,553 km (0.075 R)
• M31: 29,349,457 km (0.104 R)
• M32: 32,737,848 km (0.064 R)
• M33: 35,294,925 km (0.054 R)
• M34: 36,499,936 km (0.086 R)
• M35: 37,732,323 km (0.077 R)
• M36: 38,232,877 km (0.12 R)
• M37: 39,890,571 km (0.085 R)
• M38: 44,590,787 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 985.7

Radius: 3.9

Gravity: 64.81 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 16.76 AU - 16.8 AU

Year: 25361 Days

Day: 16 Hours

Environment

Temp: -187 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 72,339,792 km

• M1: 57,595 km (0.055 R)
• M2: 182,360 km (0.085 R)
• M3: 394,789 km (0.069 R)
• M4: 1,006,943 km (0.106 R)
• M5: 1,225,057 km (0.099 R)
• M6: 1,387,520 km (0.114 R)
• M7: 1,796,072 km (0.073 R)
• M8: 4,143,263 km (0.059 R)
• M9: 4,586,970 km (0.105 R)
• M10: 8,101,921 km (0.098 R)
• M11: 9,461,317 km (0.119 R)
• M12: 10,625,937 km (0.104 R)
• M13: 14,438,438 km (0.111 R)
• M14: 21,024,186 km (0.108 R)
• M15: 22,434,145 km (0.109 R)
• M16: 22,880,396 km (0.053 R)
• M17: 23,332,481 km (0.076 R)
• M18: 25,561,639 km (0.031 R)
• M19: 25,926,059 km (0.059 R)
• M20: 27,166,076 km (0.108 R)
• M21: 28,057,081 km (0.114 R)
• M22: 28,967,533 km (0.115 R)
• M23: 34,108,913 km (0.028 R)
• M24: 42,995,924 km (0.101 R)
• M25: 44,379,405 km (0.065 R)
• M26: 46,509,679 km (0.104 R)
• M27: 48,893,521 km (0.084 R)
• M28: 50,020,591 km (0.063 R)
• M29: 51,743,660 km (0.057 R)
• M30: 56,121,192 km (0.103 R)
• M31: 56,736,638 km (0.092 R)
• M32: 57,564,213 km (0.029 R)
• M33: 61,605,151 km (0.12 R)
• M34: 67,204,749 km (0.083 R)
• M35: 71,200,209 km (0.113 R)
• M36: 73,622,946 km (0.06 R)
• M37: 77,866,589 km (0.089 R)
• M38: 79,660,268 km (0.057 R)
• M39: 85,747,854 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240.6

Radius: 6.2

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 17.51 AU - 21.09 AU

Year: 31283 Days

Day: 22.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 72,339,792 km

• M1: 77,043 km (0.113 R)
• M2: 401,670 km (0.05 R)
• M3: 1,026,989 km (0.083 R)
• M4: 1,596,359 km (0.048 R)
• M5: 1,876,256 km (0.087 R)
• M6: 2,209,112 km (0.119 R)
• M7: 4,564,530 km (0.109 R)
• M8: 5,703,120 km (0.081 R)
• M9: 5,984,364 km (0.109 R)
• M10: 6,190,809 km (0.086 R)
• M11: 7,019,581 km (0.076 R)
• M12: 7,919,861 km (0.11 R)
• M13: 12,363,965 km (0.047 R)
• M14: 13,530,230 km (0.118 R)
• M15: 19,377,711 km (0.109 R)
• M16: 20,852,298 km (0.118 R)
• M17: 22,301,303 km (0.089 R)
• M18: 26,159,880 km (0.048 R)
• M19: 31,798,673 km (0.074 R)
• M20: 33,454,572 km (0.096 R)
• M21: 34,106,370 km (0.12 R)
• M22: 34,766,695 km (0.039 R)
• M23: 41,395,975 km (0.093 R)
• M24: 42,754,772 km (0.053 R)
• M25: 43,522,209 km (0.103 R)
• M26: 63,016,757 km (0.092 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 19,858 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit