🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.54 AU - 0.68 AU

Year: 173 Days

Day: 21 Hours

Environment

Temp: 181 °C

Axial Tilt: 25.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 72,377,155 km

• M1: 45,328 km (0.072 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.8 AU - 2.54 AU

Year: 1162 Days

Day: 13.9 Hours

Environment

Temp: -63 °C

Axial Tilt: 46.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.2

Radius: 9.8

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.08 AU - 5.9 AU

Year: 4051 Days

Day: 14.3 Hours

Environment

Temp: -128 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,377,155 km

• M1: 125,213 km (0.107 R)
• M2: 448,494 km (0.059 R)
• M3: 761,453 km (0.097 R)
• M4: 1,113,008 km (0.099 R)
• M5: 1,445,265 km (0.111 R)
• M6: 2,037,673 km (0.119 R)
• M7: 2,496,788 km (0.1 R)
• M8: 2,885,593 km (0.112 R)
• M9: 3,203,489 km (0.111 R)
• M10: 5,061,195 km (0.119 R)
• M11: 5,368,320 km (0.071 R)
• M12: 5,991,844 km (0.101 R)
• M13: 6,335,919 km (0.064 R)
• M14: 6,876,865 km (0.074 R)
• M15: 7,678,859 km (0.067 R)
• M16: 10,460,781 km (0.075 R)
• M17: 13,075,153 km (0.085 R)
• M18: 15,987,524 km (0.074 R)
• M19: 17,565,483 km (0.099 R)
• M20: 19,680,797 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.6

Radius: 13.6

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 4.98 AU - 6.02 AU

Year: 4688 Days

Day: 7.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,377,155 km

• M1: 169,644 km (0.094 R)
• M2: 746,793 km (0.111 R)
• M3: 1,202,318 km (0.099 R)
• M4: 2,040,964 km (0.052 R)
• M5: 2,904,293 km (0.082 R)
• M6: 3,476,804 km (0.11 R)
• M7: 4,307,521 km (0.108 R)
• M8: 5,035,165 km (0.097 R)
• M9: 5,706,710 km (0.099 R)
• M10: 8,523,937 km (0.091 R)
• M11: 9,803,298 km (0.05 R)
• M12: 10,993,499 km (0.096 R)
• M13: 11,568,703 km (0.091 R)
• M14: 12,546,474 km (0.106 R)
• M15: 13,865,778 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.5

Radius: 13

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 5.75 AU - 6.17 AU

Year: 5288 Days

Day: 8.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,377,155 km

• M1: 161,715 km (0.101 R)
• M2: 568,622 km (0.096 R)
• M3: 1,082,939 km (0.057 R)
• M4: 1,722,171 km (0.063 R)
• M5: 3,050,001 km (0.102 R)
• M6: 3,612,190 km (0.104 R)
• M7: 4,624,818 km (0.104 R)
• M8: 7,642,357 km (0.118 R)
• M9: 8,249,575 km (0.115 R)
• M10: 12,750,526 km (0.095 R)
• M11: 14,960,984 km (0.082 R)
• M12: 15,671,125 km (0.045 R)
• M13: 16,465,789 km (0.075 R)
• M14: 16,904,859 km (0.115 R)
• M15: 23,504,069 km (0.072 R)
• M16: 25,617,439 km (0.056 R)
• M17: 29,662,266 km (0.119 R)
• M18: 33,110,796 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.7

Radius: 10.7

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 10.4 AU - 12.96 AU

Year: 14508 Days

Day: 13.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 144.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,377,155 km

• M1: 160,668 km (0.102 R)
• M2: 812,915 km (0.059 R)
• M3: 1,200,523 km (0.107 R)
• M4: 3,620,119 km (0.116 R)
• M5: 4,301,088 km (0.043 R)
• M6: 5,822,349 km (0.045 R)
• M7: 6,178,392 km (0.054 R)
• M8: 7,042,469 km (0.066 R)
• M9: 8,223,545 km (0.099 R)
• M10: 9,268,486 km (0.062 R)
• M11: 9,620,938 km (0.091 R)
• M12: 10,925,731 km (0.089 R)
• M13: 12,292,307 km (0.077 R)
• M14: 14,521,615 km (0.107 R)
• M15: 16,044,671 km (0.087 R)
• M16: 21,402,967 km (0.104 R)
• M17: 22,728,704 km (0.025 R)
• M18: 24,108,445 km (0.088 R)
• M19: 25,200,659 km (0.1 R)
• M20: 33,580,683 km (0.11 R)
• M21: 34,414,242 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 605.2

Radius: 5

Gravity: 24.21 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 15.24 AU - 20.62 AU

Year: 27593 Days

Day: 23.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 72,377,155 km

• M1: 66,421 km (0.111 R)
• M2: 265,387 km (0.112 R)
• M3: 490,980 km (0.099 R)
• M4: 1,281,156 km (0.108 R)
• M5: 1,597,107 km (0.043 R)
• M6: 2,155,406 km (0.091 R)
• M7: 2,383,543 km (0.082 R)
• M8: 2,552,738 km (0.117 R)
• M9: 5,262,554 km (0.111 R)
• M10: 6,113,467 km (0.115 R)
• M11: 9,691,698 km (0.112 R)
• M12: 12,923,461 km (0.118 R)
• M13: 17,613,354 km (0.026 R)
• M14: 20,384,954 km (0.12 R)
• M15: 20,586,163 km (0.062 R)
• M16: 21,404,314 km (0.101 R)
• M17: 24,779,690 km (0.118 R)
• M18: 25,822,388 km (0.026 R)
• M19: 28,619,120 km (0.119 R)
• M20: 29,895,788 km (0.047 R)
• M21: 34,805,740 km (0.088 R)
• M22: 40,226,867 km (0.116 R)
• M23: 42,478,615 km (0.064 R)
• M24: 44,982,883 km (0.029 R)
• M25: 46,531,670 km (0.095 R)
• M26: 51,020,055 km (0.12 R)
• M27: 52,138,598 km (0.046 R)
• M28: 73,028,145 km (0.098 R)
• M29: 74,447,979 km (0.116 R)
• M30: 75,404,657 km (0.025 R)
• M31: 81,824,051 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 289.9

Radius: 3.7

Gravity: 21.18 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 16.42 AU - 20.24 AU

Year: 28522 Days

Day: 15.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 72,377,155 km

• M1: 46,076 km (0.11 R)
• M2: 208,689 km (0.094 R)
• M3: 534,364 km (0.069 R)
• M4: 1,122,732 km (0.085 R)
• M5: 1,469,649 km (0.064 R)
• M6: 2,018,524 km (0.086 R)
• M7: 3,534,399 km (0.112 R)
• M8: 3,921,708 km (0.111 R)
• M9: 4,109,753 km (0.117 R)
• M10: 6,040,912 km (0.05 R)
• M11: 6,291,937 km (0.072 R)
• M12: 7,651,931 km (0.03 R)
• M13: 10,572,530 km (0.111 R)
• M14: 11,562,569 km (0.09 R)
• M15: 13,091,758 km (0.061 R)
• M16: 17,960,421 km (0.042 R)
• M17: 18,918,446 km (0.045 R)
• M18: 19,909,981 km (0.086 R)
• M19: 26,153,448 km (0.071 R)
• M20: 30,317,205 km (0.072 R)
• M21: 35,708,114 km (0.112 R)
• M22: 39,927,073 km (0.09 R)
• M23: 41,703,698 km (0.041 R)
• M24: 42,459,316 km (0.119 R)
• M25: 44,938,303 km (0.068 R)
• M26: 45,732,368 km (0.114 R)
• M27: 54,912,890 km (0.104 R)
• M28: 56,002,860 km (0.077 R)
• M29: 58,038,588 km (0.06 R)
• M30: 63,640,879 km (0.075 R)
• M31: 64,040,006 km (0.114 R)
• M32: 67,500,205 km (0.063 R)

Kuiper Belt

Range: 30.2 - 57.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 11,308 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit