🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.66 AU - 0.96 AU

Year: 260 Days

Day: 18.3 Hours

Environment

Temp: 110 °C

Axial Tilt: 9.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.88 AU - 1.26 AU

Year: 395 Days

Day: 34.8 Hours

Environment

Temp: 43 °C

Axial Tilt: 3.8 °

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: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.17 AU - 2.47 AU

Year: 1260 Days

Day: 25.8 Hours

Environment

Temp: -64 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,933,502 km

• M1: 826,977 km (0.075 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.22 AU - 3.34 AU

Year: 1652 Days

Day: 13.5 Hours

Environment

Temp: -82 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.7

Radius: 14.2

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 5.84 AU - 7.62 AU

Year: 6223 Days

Day: 10.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,933,502 km

• M1: 176,974 km (0.034 R)
• M2: 946,506 km (0.066 R)
• M3: 1,625,381 km (0.086 R)
• M4: 2,144,635 km (0.099 R)
• M5: 2,972,360 km (0.097 R)
• M6: 3,470,970 km (0.109 R)
• M7: 4,173,332 km (0.1 R)
• M8: 5,289,631 km (0.072 R)
• M9: 5,837,010 km (0.115 R)
• M10: 6,279,221 km (0.088 R)
• M11: 6,985,024 km (0.104 R)
• M12: 7,613,185 km (0.103 R)
• M13: 9,091,960 km (0.088 R)
• M14: 10,271,539 km (0.102 R)
• M15: 11,422,695 km (0.1 R)
• M16: 12,934,082 km (0.069 R)
• M17: 13,834,811 km (0.088 R)
• M18: 14,424,975 km (0.115 R)
• M19: 15,031,893 km (0.091 R)
• M20: 16,789,369 km (0.119 R)
• M21: 20,330,051 km (0.1 R)
• M22: 22,274,973 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.2

Radius: 10.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 9.53 AU - 12.61 AU

Year: 13129 Days

Day: 13.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,933,502 km

• M1: 139,126 km (0.112 R)
• M2: 491,579 km (0.083 R)
• M3: 879,187 km (0.047 R)
• M4: 1,324,240 km (0.113 R)
• M5: 3,185,687 km (0.108 R)
• M6: 5,299,804 km (0.033 R)
• M7: 8,254,511 km (0.098 R)
• M8: 8,678,322 km (0.12 R)
• M9: 9,611,962 km (0.089 R)
• M10: 9,994,933 km (0.049 R)
• M11: 10,974,350 km (0.076 R)
• M12: 11,393,075 km (0.036 R)
• M13: 11,967,830 km (0.074 R)
• M14: 12,411,537 km (0.063 R)
• M15: 13,227,444 km (0.107 R)
• M16: 15,136,761 km (0.089 R)
• M17: 17,473,330 km (0.059 R)
• M18: 18,497,926 km (0.119 R)
• M19: 21,958,873 km (0.09 R)
• M20: 23,151,617 km (0.087 R)
• M21: 24,861,820 km (0.114 R)
• M22: 26,571,275 km (0.114 R)
• M23: 29,058,788 km (0.105 R)
• M24: 29,771,472 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 713.5

Radius: 3.2

Gravity: 69.68 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 11.7 AU - 14.86 AU

Year: 17250 Days

Day: 18.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 70,933,502 km

• M1: 40,242 km (0.117 R)
• M2: 289,921 km (0.03 R)
• M3: 414,087 km (0.089 R)
• M4: 565,779 km (0.113 R)
• M5: 856,747 km (0.065 R)
• M6: 1,239,269 km (0.118 R)
• M7: 1,639,742 km (0.102 R)
• M8: 1,832,873 km (0.099 R)
• M9: 2,527,157 km (0.099 R)
• M10: 2,883,050 km (0.072 R)
• M11: 3,191,222 km (0.111 R)
• M12: 3,408,438 km (0.115 R)
• M13: 3,606,505 km (0.086 R)
• M14: 3,842,272 km (0.102 R)
• M15: 4,056,945 km (0.108 R)
• M16: 5,515,973 km (0.084 R)
• M17: 5,710,151 km (0.095 R)
• M18: 6,278,174 km (0.062 R)
• M19: 7,620,366 km (0.114 R)
• M20: 9,974,588 km (0.062 R)
• M21: 13,180,320 km (0.111 R)
• M22: 14,312,178 km (0.096 R)
• M23: 16,207,733 km (0.099 R)
• M24: 16,366,157 km (0.112 R)
• M25: 19,133,119 km (0.08 R)
• M26: 21,905,317 km (0.045 R)
• M27: 25,463,802 km (0.078 R)
• M28: 27,100,103 km (0.12 R)
• M29: 32,051,793 km (0.034 R)
• M30: 34,346,624 km (0.112 R)
• M31: 34,870,964 km (0.077 R)
• M32: 35,801,613 km (0.115 R)
• M33: 36,612,284 km (0.093 R)
• M34: 42,934,738 km (0.074 R)
• M35: 45,089,397 km (0.092 R)
• M36: 45,560,181 km (0.063 R)
• M37: 56,949,965 km (0.063 R)
• M38: 60,114,408 km (0.111 R)
• M39: 66,587,658 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 685.3

Radius: 6.5

Gravity: 16.22 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 12.14 AU - 16.88 AU

Year: 19701 Days

Day: 20 Hours

Environment

Temp: -190 °C

Axial Tilt: 168.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,933,502 km

• M1: 153,787 km (0.089 R)
• M2: 457,171 km (0.118 R)
• M3: 664,963 km (0.092 R)
• M4: 1,578,706 km (0.106 R)
• M5: 1,859,950 km (0.092 R)
• M6: 2,092,575 km (0.092 R)
• M7: 2,688,274 km (0.071 R)
• M8: 2,935,709 km (0.086 R)
• M9: 3,505,078 km (0.083 R)
• M10: 5,899,093 km (0.046 R)
• M11: 6,668,175 km (0.042 R)
• M12: 9,773,378 km (0.061 R)
• M13: 11,158,954 km (0.097 R)
• M14: 21,326,672 km (0.092 R)
• M15: 26,677,040 km (0.089 R)
• M16: 41,273,604 km (0.11 R)
• M17: 42,494,173 km (0.083 R)
• M18: 50,153,883 km (0.058 R)
• M19: 75,340,480 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 552.3

Radius: 4.5

Gravity: 27.27 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 13.42 AU - 15.94 AU

Year: 20049 Days

Day: 21.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,933,502 km

• M1: 60,886 km (0.031 R)
• M2: 346,319 km (0.068 R)
• M3: 820,993 km (0.072 R)
• M4: 1,190,201 km (0.047 R)
• M5: 1,360,144 km (0.092 R)
• M6: 1,749,098 km (0.11 R)
• M7: 2,106,787 km (0.09 R)
• M8: 2,891,128 km (0.084 R)
• M9: 4,729,537 km (0.079 R)
• M10: 4,976,672 km (0.107 R)
• M11: 5,382,531 km (0.097 R)
• M12: 7,414,669 km (0.09 R)
• M13: 8,092,048 km (0.096 R)
• M14: 9,238,417 km (0.058 R)
• M15: 9,737,176 km (0.078 R)
• M16: 10,253,737 km (0.116 R)
• M17: 10,727,963 km (0.069 R)
• M18: 11,848,151 km (0.102 R)
• M19: 15,365,496 km (0.057 R)
• M20: 19,430,968 km (0.105 R)
• M21: 20,899,571 km (0.058 R)
• M22: 31,663,287 km (0.046 R)
• M23: 32,413,969 km (0.104 R)
• M24: 47,213,537 km (0.108 R)
• M25: 50,022,386 km (0.08 R)
• M26: 53,467,177 km (0.106 R)
• M27: 58,925,704 km (0.083 R)
• M28: 59,680,425 km (0.092 R)
• M29: 63,748,739 km (0.115 R)

Kuiper Belt

Range: 30.8 - 57.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 521 - 16,293 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit