🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.51 AU - 0.75 AU

Year: 177 Days

Day: 24.6 Hours

Environment

Temp: 171 °C

Axial Tilt: 48.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.01 AU - 1.43 AU

Year: 478 Days

Day: 32 Hours

Environment

Temp: 9 °C

Axial Tilt: 0.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.25 AU - 2.57 AU

Year: 1327 Days

Day: 16.4 Hours

Environment

Temp: -79 °C

Axial Tilt: 46.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 77,896,573 km

• M1: 308,022 km (0.058 R)
• M2: 993,779 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.3

Radius: 10.4

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 4.82 AU - 8.04 AU

Year: 5784 Days

Day: 6 Hours

Environment

Temp: -148 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,896,573 km

• M1: 130,898 km (0.101 R)
• M2: 540,048 km (0.096 R)
• M3: 1,099,694 km (0.08 R)
• M4: 1,745,209 km (0.093 R)
• M5: 2,185,026 km (0.064 R)
• M6: 3,414,721 km (0.107 R)
• M7: 3,784,228 km (0.052 R)
• M8: 5,057,006 km (0.067 R)
• M9: 6,051,533 km (0.101 R)
• M10: 7,562,023 km (0.085 R)
• M11: 9,732,089 km (0.106 R)
• M12: 11,076,526 km (0.088 R)
• M13: 12,188,187 km (0.103 R)
• M14: 14,688,716 km (0.076 R)
• M15: 15,203,781 km (0.118 R)
• M16: 19,086,444 km (0.105 R)
• M17: 21,255,613 km (0.074 R)
• M18: 23,197,693 km (0.083 R)
• M19: 23,740,135 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.6

Radius: 14

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 6.75 AU - 6.85 AU

Year: 6291 Days

Day: 9.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,896,573 km

• M1: 179,966 km (0.098 R)
• M2: 627,563 km (0.063 R)
• M3: 1,177,335 km (0.091 R)
• M4: 1,645,577 km (0.077 R)
• M5: 2,160,941 km (0.11 R)
• M6: 3,504,031 km (0.117 R)
• M7: 4,423,011 km (0.109 R)
• M8: 5,111,460 km (0.106 R)
• M9: 5,966,561 km (0.073 R)
• M10: 6,703,780 km (0.099 R)
• M11: 8,279,943 km (0.106 R)
• M12: 14,367,380 km (0.047 R)
• M13: 19,079,413 km (0.067 R)
• M14: 19,651,625 km (0.034 R)
• M15: 20,382,859 km (0.089 R)
• M16: 22,133,603 km (0.071 R)
• M17: 23,572,286 km (0.107 R)
• M18: 27,895,216 km (0.069 R)
• M19: 31,813,483 km (0.08 R)
• M20: 33,334,445 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.5

Radius: 12

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 8.44 AU - 9.28 AU

Year: 9356 Days

Day: 12.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,896,573 km

• M1: 149,299 km (0.086 R)
• M2: 618,737 km (0.086 R)
• M3: 1,291,478 km (0.074 R)
• M4: 1,811,181 km (0.102 R)
• M5: 2,380,252 km (0.118 R)
• M6: 2,943,488 km (0.092 R)
• M7: 3,411,879 km (0.118 R)
• M8: 3,807,715 km (0.112 R)
• M9: 5,838,954 km (0.092 R)
• M10: 8,426,100 km (0.111 R)
• M11: 9,648,315 km (0.12 R)
• M12: 11,646,493 km (0.081 R)
• M13: 14,439,635 km (0.041 R)
• M14: 16,908,000 km (0.075 R)
• M15: 17,789,880 km (0.103 R)
• M16: 18,559,860 km (0.119 R)
• M17: 20,166,242 km (0.091 R)
• M18: 21,313,358 km (0.036 R)
• M19: 21,942,716 km (0.114 R)
• M20: 26,610,619 km (0.113 R)
• M21: 28,271,604 km (0.092 R)
• M22: 30,394,398 km (0.075 R)
• M23: 31,799,421 km (0.097 R)
• M24: 39,010,786 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.5

Radius: 11.4

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 12.56 AU - 12.84 AU

Year: 16056 Days

Day: 9.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,896,573 km

• M1: 141,819 km (0.067 R)
• M2: 725,849 km (0.111 R)
• M3: 1,295,966 km (0.097 R)
• M4: 2,055,624 km (0.106 R)
• M5: 2,659,401 km (0.076 R)
• M6: 3,041,175 km (0.101 R)
• M7: 4,317,694 km (0.047 R)
• M8: 11,339,967 km (0.075 R)
• M9: 26,576,511 km (0.106 R)
• M10: 34,319,846 km (0.102 R)
• M11: 45,444,991 km (0.106 R)
• M12: 46,865,572 km (0.109 R)
• M13: 49,629,243 km (0.119 R)
• M14: 58,755,162 km (0.118 R)
• M15: 60,440,382 km (0.119 R)
• M16: 60,819,314 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 922

Radius: 7.7

Gravity: 15.55 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 13.86 AU - 14.66 AU

Year: 19104 Days

Day: 16.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 77,896,573 km

• M1: 96,491 km (0.117 R)
• M2: 636,539 km (0.074 R)
• M3: 1,307,336 km (0.117 R)
• M4: 1,593,217 km (0.116 R)
• M5: 3,020,531 km (0.113 R)
• M6: 3,585,113 km (0.104 R)
• M7: 4,085,967 km (0.1 R)
• M8: 7,413,622 km (0.107 R)
• M9: 8,653,788 km (0.113 R)
• M10: 10,207,960 km (0.111 R)
• M11: 10,955,202 km (0.11 R)
• M12: 11,342,361 km (0.107 R)
• M13: 15,648,835 km (0.108 R)
• M14: 19,586,251 km (0.076 R)
• M15: 21,231,079 km (0.082 R)
• M16: 22,138,241 km (0.112 R)
• M17: 22,757,127 km (0.106 R)
• M18: 28,613,435 km (0.076 R)
• M19: 29,844,326 km (0.062 R)
• M20: 35,400,691 km (0.111 R)
• M21: 35,822,108 km (0.105 R)
• M22: 41,765,182 km (0.094 R)
• M23: 49,199,748 km (0.09 R)
• M24: 63,883,976 km (0.103 R)
• M25: 65,982,086 km (0.069 R)
• M26: 69,873,725 km (0.053 R)
• M27: 71,204,099 km (0.086 R)
• M28: 72,777,569 km (0.056 R)

Asteroid Belt

Center: 15.81 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 17.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446.5

Radius: 4.8

Gravity: 19.38 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 13.4 AU - 21.32 AU

Year: 25660 Days

Day: 16.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,896,573 km

• M1: 59,690 km (0.1 R)
• M2: 366,664 km (0.062 R)
• M3: 682,316 km (0.113 R)
• M4: 970,142 km (0.108 R)
• M5: 2,119,503 km (0.091 R)
• M6: 2,401,046 km (0.114 R)
• M7: 2,610,184 km (0.076 R)
• M8: 3,661,109 km (0.111 R)
• M9: 4,676,878 km (0.076 R)
• M10: 6,291,488 km (0.069 R)
• M11: 7,199,996 km (0.099 R)
• M12: 9,557,658 km (0.095 R)
• M13: 10,024,703 km (0.097 R)
• M14: 13,802,498 km (0.093 R)
• M15: 15,168,177 km (0.12 R)
• M16: 22,949,959 km (0.118 R)
• M17: 24,211,667 km (0.094 R)
• M18: 27,333,925 km (0.105 R)
• M19: 47,692,699 km (0.115 R)
• M20: 59,102,828 km (0.097 R)

Kuiper Belt

Range: 30.9 - 47.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 19,411 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit