🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.78 AU - 2.88 AU

Year: 1286 Days

Day: 17.7 Hours

Environment

Temp: -74 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.97 AU - 3.13 AU

Year: 1473 Days

Day: 34.6 Hours

Environment

Temp: -83 °C

Axial Tilt: 22.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.96 AU - 3.3 AU

Year: 2003 Days

Day: 45.6 Hours

Environment

Temp: -106 °C

Axial Tilt: 15.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.9

Radius: 9.5

Gravity: 9.33 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.22 AU - 5.76 AU

Year: 4652 Days

Day: 14.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,246,474 km

• M1: 119,678 km (0.065 R)
• M2: 427,551 km (0.101 R)
• M3: 1,468,901 km (0.089 R)
• M4: 2,219,135 km (0.116 R)
• M5: 2,787,906 km (0.095 R)
• M6: 3,166,089 km (0.065 R)
• M7: 4,026,127 km (0.047 R)
• M8: 4,485,991 km (0.098 R)
• M9: 4,794,163 km (0.072 R)
• M10: 5,956,090 km (0.11 R)
• M11: 6,424,929 km (0.09 R)
• M12: 6,784,413 km (0.117 R)
• M13: 7,157,061 km (0.118 R)
• M14: 7,472,264 km (0.038 R)
• M15: 8,018,147 km (0.087 R)
• M16: 8,787,080 km (0.062 R)
• M17: 9,271,627 km (0.115 R)
• M18: 11,966,184 km (0.086 R)
• M19: 14,972,802 km (0.103 R)
• M20: 15,547,856 km (0.108 R)
• M21: 16,498,252 km (0.106 R)
• M22: 17,676,784 km (0.076 R)
• M23: 18,844,096 km (0.117 R)
• M24: 21,620,931 km (0.1 R)
• M25: 24,739,000 km (0.086 R)
• M26: 28,755,852 km (0.096 R)
• M27: 29,824,131 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.3

Radius: 9.7

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 7.43 AU - 8.01 AU

Year: 7757 Days

Day: 6.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,246,474 km

• M1: 120,576 km (0.097 R)
• M2: 530,175 km (0.053 R)
• M3: 884,871 km (0.087 R)
• M4: 2,229,906 km (0.114 R)
• M5: 2,536,133 km (0.118 R)
• M6: 4,010,121 km (0.099 R)
• M7: 4,567,223 km (0.111 R)
• M8: 6,109,727 km (0.117 R)
• M9: 6,584,849 km (0.054 R)
• M10: 7,256,544 km (0.092 R)
• M11: 8,310,760 km (0.11 R)
• M12: 11,460,094 km (0.097 R)
• M13: 13,509,735 km (0.089 R)
• M14: 14,482,420 km (0.089 R)
• M15: 15,270,801 km (0.098 R)
• M16: 18,256,326 km (0.081 R)
• M17: 22,939,188 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.4

Radius: 14.7

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 9.08 AU - 11.22 AU

Year: 11695 Days

Day: 6.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,246,474 km

• M1: 182,958 km (0.116 R)
• M2: 874,549 km (0.066 R)
• M3: 1,885,232 km (0.118 R)
• M4: 2,525,661 km (0.11 R)
• M5: 4,474,323 km (0.046 R)
• M6: 6,114,963 km (0.119 R)
• M7: 7,177,107 km (0.113 R)
• M8: 7,863,911 km (0.042 R)
• M9: 9,119,935 km (0.118 R)
• M10: 12,028,267 km (0.089 R)
• M11: 14,866,887 km (0.118 R)
• M12: 17,799,753 km (0.119 R)
• M13: 18,656,350 km (0.044 R)
• M14: 20,027,565 km (0.116 R)
• M15: 24,384,453 km (0.104 R)
• M16: 26,274,772 km (0.111 R)
• M17: 30,906,022 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332

Radius: 5.7

Gravity: 10.22 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 13.45 AU - 16.27 AU

Year: 20717 Days

Day: 18.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 106.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,246,474 km

• M1: 80,484 km (0.085 R)
• M2: 289,771 km (0.104 R)
• M3: 824,284 km (0.094 R)
• M4: 2,646,536 km (0.106 R)
• M5: 4,283,137 km (0.06 R)
• M6: 5,101,587 km (0.084 R)
• M7: 6,255,585 km (0.097 R)
• M8: 6,662,341 km (0.115 R)
• M9: 7,756,350 km (0.108 R)
• M10: 8,814,007 km (0.048 R)
• M11: 9,118,289 km (0.085 R)
• M12: 11,750,464 km (0.05 R)
• M13: 13,604,879 km (0.117 R)
• M14: 18,206,659 km (0.088 R)
• M15: 27,539,921 km (0.05 R)
• M16: 32,071,839 km (0.05 R)
• M17: 50,027,473 km (0.099 R)
• M18: 60,821,408 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 477.7

Radius: 3.7

Gravity: 34.89 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 13.2 AU - 18.34 AU

Year: 22648 Days

Day: 20.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 107.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,246,474 km

• M1: 46,375 km (0.085 R)
• M2: 288,425 km (0.12 R)
• M3: 580,889 km (0.12 R)
• M4: 2,825,006 km (0.104 R)
• M5: 3,697,012 km (0.071 R)
• M6: 7,317,430 km (0.052 R)
• M7: 7,798,836 km (0.106 R)
• M8: 8,771,073 km (0.071 R)
• M9: 9,593,711 km (0.118 R)
• M10: 16,189,033 km (0.117 R)
• M11: 27,619,058 km (0.095 R)
• M12: 31,450,260 km (0.062 R)
• M13: 43,779,069 km (0.115 R)
• M14: 47,461,720 km (0.097 R)
• M15: 49,971,523 km (0.103 R)
• M16: 60,314,870 km (0.112 R)
• M17: 61,480,087 km (0.08 R)
• M18: 63,655,091 km (0.12 R)
• M19: 64,257,073 km (0.068 R)
• M20: 72,431,549 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 65.5

Radius: 7.9

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 13.11 AU - 20.47 AU

Year: 24881 Days

Day: 20.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,246,474 km

• M1: 233,672 km (0.095 R)
• M2: 580,440 km (0.077 R)
• M3: 924,066 km (0.089 R)
• M4: 5,392,704 km (0.069 R)
• M5: 6,211,752 km (0.06 R)
• M6: 7,262,827 km (0.026 R)
• M7: 9,391,605 km (0.104 R)
• M8: 11,693,318 km (0.06 R)
• M9: 13,287,283 km (0.062 R)
• M10: 15,083,505 km (0.078 R)
• M11: 24,754,259 km (0.086 R)
• M12: 25,902,871 km (0.072 R)
• M13: 38,233,476 km (0.091 R)

Kuiper Belt

Range: 30.3 - 60.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 16,347 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit