🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.78 AU - 0.98 AU

Year: 318 Days

Day: 16.3 Hours

Environment

Temp: 14 °C

Axial Tilt: 10.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.83 AU - 1.03 AU

Year: 345 Days

Day: 39.7 Hours

Environment

Temp: -0 °C

Axial Tilt: 9.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.47 AU - 2.45 AU

Year: 1056 Days

Day: 27 Hours

Environment

Temp: -86 °C

Axial Tilt: 29.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.28 AU - 4.04 AU

Year: 2696 Days

Day: 35 Hours

Environment

Temp: -134 °C

Axial Tilt: 19.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.43 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.9

Radius: 13.5

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 4.4 AU - 5.98 AU

Year: 4552 Days

Day: 10.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 105,022,107 km

• M1: 167,849 km (0.079 R)
• M2: 652,995 km (0.072 R)
• M3: 1,307,785 km (0.106 R)
• M4: 1,749,248 km (0.083 R)
• M5: 2,291,989 km (0.097 R)
• M6: 3,497,000 km (0.066 R)
• M7: 4,511,872 km (0.106 R)
• M8: 5,771,187 km (0.092 R)
• M9: 6,957,498 km (0.027 R)
• M10: 9,406,116 km (0.106 R)
• M11: 11,723,985 km (0.099 R)
• M12: 12,720,756 km (0.069 R)
• M13: 13,265,142 km (0.086 R)
• M14: 14,189,208 km (0.1 R)
• M15: 17,101,131 km (0.119 R)
• M16: 18,951,357 km (0.104 R)
• M17: 19,991,063 km (0.102 R)
• M18: 22,042,498 km (0.115 R)
• M19: 22,469,002 km (0.1 R)
• M20: 23,931,022 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.5

Radius: 13.6

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 5.21 AU - 5.47 AU

Year: 4751 Days

Day: 13.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 105,022,107 km

• M1: 169,195 km (0.03 R)
• M2: 635,342 km (0.098 R)
• M3: 1,064,987 km (0.107 R)
• M4: 1,848,132 km (0.07 R)
• M5: 2,565,603 km (0.047 R)
• M6: 3,063,016 km (0.094 R)
• M7: 4,118,878 km (0.061 R)
• M8: 5,624,132 km (0.116 R)
• M9: 7,436,510 km (0.091 R)
• M10: 8,755,963 km (0.068 R)
• M11: 10,998,286 km (0.116 R)
• M12: 11,994,458 km (0.105 R)
• M13: 12,853,599 km (0.086 R)
• M14: 13,651,404 km (0.052 R)
• M15: 14,588,036 km (0.077 R)
• M16: 17,777,613 km (0.083 R)
• M17: 19,664,939 km (0.089 R)
• M18: 20,724,541 km (0.108 R)
• M19: 23,613,276 km (0.064 R)
• M20: 24,057,582 km (0.106 R)
• M21: 24,962,649 km (0.072 R)
• M22: 25,812,215 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.9

Radius: 10.9

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.82 AU - 7.58 AU

Year: 5944 Days

Day: 7.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 105,022,107 km

• M1: 136,732 km (0.054 R)
• M2: 677,678 km (0.11 R)
• M3: 1,342,940 km (0.073 R)
• M4: 2,048,144 km (0.068 R)
• M5: 2,858,815 km (0.117 R)
• M6: 3,634,630 km (0.054 R)
• M7: 5,323,291 km (0.094 R)
• M8: 6,912,170 km (0.112 R)
• M9: 10,385,832 km (0.025 R)
• M10: 11,454,709 km (0.086 R)
• M11: 13,345,626 km (0.079 R)
• M12: 14,125,629 km (0.099 R)
• M13: 16,826,469 km (0.115 R)
• M14: 17,860,490 km (0.095 R)
• M15: 19,065,800 km (0.106 R)
• M16: 23,080,408 km (0.103 R)
• M17: 24,051,747 km (0.089 R)
• M18: 27,377,158 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 693.1

Radius: 7.3

Gravity: 13.01 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 17.64 AU - 18.48 AU

Year: 29549 Days

Day: 17.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 74.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 105,022,107 km

• M1: 91,255 km (0.104 R)
• M2: 445,353 km (0.055 R)
• M3: 727,794 km (0.077 R)
• M4: 981,661 km (0.066 R)
• M5: 1,425,369 km (0.09 R)
• M6: 2,983,430 km (0.105 R)
• M7: 6,238,530 km (0.09 R)
• M8: 8,639,576 km (0.105 R)
• M9: 9,354,804 km (0.104 R)
• M10: 10,971,059 km (0.107 R)
• M11: 13,146,062 km (0.115 R)
• M12: 13,930,853 km (0.116 R)
• M13: 16,651,889 km (0.118 R)
• M14: 18,813,578 km (0.065 R)
• M15: 19,406,883 km (0.063 R)
• M16: 21,905,317 km (0.077 R)
• M17: 23,799,525 km (0.099 R)
• M18: 24,493,360 km (0.11 R)
• M19: 24,963,397 km (0.046 R)
• M20: 25,559,395 km (0.092 R)
• M21: 26,164,817 km (0.111 R)
• M22: 28,682,400 km (0.082 R)
• M23: 29,733,175 km (0.093 R)
• M24: 39,400,190 km (0.029 R)
• M25: 47,252,283 km (0.086 R)
• M26: 47,615,506 km (0.053 R)
• M27: 51,159,779 km (0.076 R)
• M28: 51,542,750 km (0.09 R)
• M29: 53,486,624 km (0.066 R)
• M30: 54,676,077 km (0.092 R)
• M31: 55,277,460 km (0.086 R)
• M32: 55,883,033 km (0.07 R)
• M33: 56,697,593 km (0.086 R)
• M34: 59,822,393 km (0.086 R)
• M35: 63,942,917 km (0.081 R)
• M36: 80,495,024 km (0.113 R)
• M37: 81,013,231 km (0.072 R)
• M38: 84,169,148 km (0.108 R)
• M39: 91,567,660 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 807.6

Radius: 7

Gravity: 16.48 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 15.81 AU - 20.57 AU

Year: 29869 Days

Day: 17.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 105,022,107 km

• M1: 87,365 km (0.057 R)
• M2: 317,596 km (0.119 R)
• M3: 649,404 km (0.054 R)
• M4: 939,175 km (0.092 R)
• M5: 2,415,407 km (0.064 R)
• M6: 2,672,865 km (0.116 R)
• M7: 2,920,300 km (0.094 R)
• M8: 4,624,818 km (0.045 R)
• M9: 6,456,495 km (0.083 R)
• M10: 10,036,820 km (0.089 R)
• M11: 13,762,555 km (0.049 R)
• M12: 16,336,686 km (0.118 R)
• M13: 18,123,184 km (0.104 R)
• M14: 19,520,278 km (0.108 R)
• M15: 21,095,245 km (0.086 R)
• M16: 23,439,892 km (0.101 R)
• M17: 29,982,106 km (0.09 R)
• M18: 32,647,192 km (0.079 R)
• M19: 33,667,749 km (0.107 R)
• M20: 34,409,455 km (0.038 R)
• M21: 38,443,511 km (0.027 R)
• M22: 39,745,461 km (0.069 R)
• M23: 41,076,583 km (0.109 R)
• M24: 47,435,540 km (0.067 R)
• M25: 48,367,684 km (0.069 R)
• M26: 49,121,957 km (0.069 R)
• M27: 50,461,007 km (0.106 R)
• M28: 51,236,972 km (0.118 R)
• M29: 60,740,475 km (0.101 R)
• M30: 64,303,149 km (0.055 R)
• M31: 66,367,001 km (0.095 R)
• M32: 70,626,651 km (0.114 R)
• M33: 80,210,489 km (0.041 R)
• M34: 92,636,985 km (0.069 R)
• M35: 97,048,178 km (0.118 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: 377 - 10,483 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit