🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.67 AU - 0.81 AU

Year: 244 Days

Day: 23.2 Hours

Environment

Temp: 82 °C

Axial Tilt: 6.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.68 AU - 1 AU

Year: 295 Days

Day: 19.9 Hours

Environment

Temp: 17 °C

Axial Tilt: 120.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.06 AU - 2.58 AU

Year: 1353 Days

Day: 12.1 Hours

Environment

Temp: -90 °C

Axial Tilt: 44 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.98 AU - 4.12 AU

Year: 2561 Days

Day: 47.8 Hours

Environment

Temp: -125 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.96 AU - 4.04 AU

Year: 3063 Days

Day: 22.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 23.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.39 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.9

Radius: 11.2

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 4.05 AU - 5.51 AU

Year: 4001 Days

Day: 7.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,741,772 km

• M1: 139,575 km (0.096 R)
• M2: 605,423 km (0.1 R)
• M3: 1,151,604 km (0.056 R)
• M4: 1,512,734 km (0.117 R)
• M5: 2,461,783 km (0.11 R)
• M6: 3,563,720 km (0.114 R)
• M7: 6,833,631 km (0.104 R)
• M8: 7,256,544 km (0.111 R)
• M9: 8,100,276 km (0.054 R)
• M10: 11,195,306 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.6

Radius: 8.2

Gravity: 10.03 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 7.37 AU - 7.77 AU

Year: 7975 Days

Day: 8.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 82,741,772 km

• M1: 103,223 km (0.075 R)
• M2: 424,409 km (0.075 R)
• M3: 703,559 km (0.093 R)
• M4: 1,120,488 km (0.107 R)
• M5: 1,519,316 km (0.118 R)
• M6: 1,825,992 km (0.116 R)
• M7: 2,473,002 km (0.086 R)
• M8: 3,331,844 km (0.025 R)
• M9: 4,486,141 km (0.055 R)
• M10: 4,885,418 km (0.119 R)
• M11: 5,787,942 km (0.108 R)
• M12: 6,157,897 km (0.038 R)
• M13: 7,324,761 km (0.117 R)
• M14: 8,850,060 km (0.104 R)
• M15: 9,946,314 km (0.115 R)
• M16: 15,244,023 km (0.086 R)
• M17: 20,425,046 km (0.103 R)
• M18: 21,283,588 km (0.097 R)
• M19: 23,408,476 km (0.097 R)
• M20: 25,581,236 km (0.039 R)
• M21: 26,670,458 km (0.09 R)
• M22: 27,601,555 km (0.036 R)
• M23: 34,625,026 km (0.111 R)
• M24: 36,749,465 km (0.096 R)
• M25: 38,722,661 km (0.079 R)
• M26: 40,399,803 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 481.8

Radius: 3.4

Gravity: 41.68 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 9.94 AU - 14.82 AU

Year: 16678 Days

Day: 15.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 82,741,772 km

• M1: 42,635 km (0.107 R)
• M2: 192,981 km (0.064 R)
• M3: 321,336 km (0.058 R)
• M4: 605,123 km (0.108 R)
• M5: 780,751 km (0.115 R)
• M6: 1,157,140 km (0.069 R)
• M7: 1,809,835 km (0.119 R)
• M8: 2,137,006 km (0.115 R)
• M9: 3,568,657 km (0.037 R)
• M10: 3,819,234 km (0.109 R)
• M11: 3,963,296 km (0.083 R)
• M12: 5,428,907 km (0.1 R)
• M13: 5,574,465 km (0.037 R)
• M14: 5,760,116 km (0.077 R)
• M15: 7,441,297 km (0.072 R)
• M16: 10,339,307 km (0.03 R)
• M17: 14,528,347 km (0.11 R)
• M18: 16,646,952 km (0.114 R)
• M19: 17,422,766 km (0.065 R)
• M20: 17,580,742 km (0.109 R)
• M21: 18,713,646 km (0.119 R)
• M22: 19,894,273 km (0.056 R)
• M23: 25,215,020 km (0.075 R)
• M24: 27,179,839 km (0.041 R)
• M25: 31,410,616 km (0.082 R)
• M26: 31,644,737 km (0.032 R)
• M27: 32,712,566 km (0.119 R)
• M28: 34,919,733 km (0.075 R)
• M29: 38,950,349 km (0.076 R)
• M30: 44,153,512 km (0.06 R)
• M31: 47,919,639 km (0.094 R)
• M32: 50,119,326 km (0.113 R)
• M33: 53,710,572 km (0.078 R)
• M34: 54,381,369 km (0.082 R)
• M35: 54,888,207 km (0.087 R)
• M36: 57,644,248 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 561.2

Radius: 7.9

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 16.27 AU - 18.23 AU

Year: 27432 Days

Day: 18.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 82,741,772 km

• M1: 186,100 km (0.12 R)
• M2: 876,943 km (0.038 R)
• M3: 1,536,969 km (0.035 R)
• M4: 1,964,220 km (0.104 R)
• M5: 4,297,498 km (0.099 R)
• M6: 4,877,639 km (0.081 R)
• M7: 6,981,433 km (0.065 R)
• M8: 7,730,769 km (0.054 R)
• M9: 10,490,401 km (0.106 R)
• M10: 14,467,012 km (0.094 R)
• M11: 14,864,643 km (0.118 R)
• M12: 20,619,374 km (0.077 R)
• M13: 23,437,798 km (0.107 R)
• M14: 24,097,225 km (0.112 R)
• M15: 28,440,350 km (0.044 R)
• M16: 31,520,271 km (0.049 R)
• M17: 35,963,179 km (0.119 R)
• M18: 37,284,128 km (0.029 R)
• M19: 45,386,199 km (0.076 R)
• M20: 63,461,362 km (0.118 R)
• M21: 78,991,715 km (0.066 R)
• M22: 83,743,990 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 438.6

Radius: 4.7

Gravity: 19.86 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 13.56 AU - 21.7 AU

Year: 28343 Days

Day: 20.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,741,772 km

• M1: 177,722 km (0.07 R)
• M2: 556,953 km (0.096 R)
• M3: 770,728 km (0.078 R)
• M4: 926,908 km (0.074 R)
• M5: 1,319,603 km (0.075 R)
• M6: 1,873,564 km (0.107 R)
• M7: 2,358,560 km (0.108 R)
• M8: 2,545,557 km (0.117 R)
• M9: 4,314,851 km (0.094 R)
• M10: 4,776,959 km (0.049 R)
• M11: 6,817,474 km (0.115 R)
• M12: 9,491,237 km (0.059 R)
• M13: 10,086,936 km (0.111 R)
• M14: 11,751,661 km (0.053 R)
• M15: 14,735,091 km (0.093 R)
• M16: 26,985,212 km (0.098 R)
• M17: 33,292,857 km (0.055 R)
• M18: 35,220,275 km (0.059 R)
• M19: 38,994,929 km (0.115 R)
• M20: 51,737,676 km (0.086 R)
• M21: 66,780,190 km (0.088 R)
• M22: 72,982,967 km (0.078 R)
• M23: 77,879,305 km (0.096 R)
• M24: 78,356,822 km (0.063 R)
• M25: 82,493,951 km (0.078 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: 347 - 19,219 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit