🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.95 AU - 1.33 AU

Year: 432 Days

Day: 25.9 Hours

Environment

Temp: 36 °C

Axial Tilt: 18.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 50,379,097 km

• M1: 699,669 km (0.088 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.4 AU - 1.54 AU

Year: 632 Days

Day: 27.3 Hours

Environment

Temp: -9 °C

Axial Tilt: 15.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.97 AU - 4.21 AU

Year: 2934 Days

Day: 14.8 Hours

Environment

Temp: -122 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,379,097 km

• M1: 58,792 km (0.101 R)

Asteroid Belt

Center: 5.12 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922

Radius: 9.8

Gravity: 9.6 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.78 AU - 7.52 AU

Year: 5411 Days

Day: 5.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 50,379,097 km

• M1: 122,371 km (0.105 R)
• M2: 474,824 km (0.113 R)
• M3: 780,901 km (0.118 R)
• M4: 1,206,058 km (0.09 R)
• M5: 1,852,919 km (0.108 R)
• M6: 2,247,409 km (0.093 R)
• M7: 2,867,492 km (0.094 R)
• M8: 3,270,658 km (0.044 R)
• M9: 3,734,561 km (0.071 R)
• M10: 4,343,574 km (0.09 R)
• M11: 6,710,063 km (0.091 R)
• M12: 7,648,191 km (0.069 R)
• M13: 8,307,469 km (0.051 R)
• M14: 8,836,597 km (0.115 R)
• M15: 10,748,906 km (0.076 R)
• M16: 11,230,462 km (0.067 R)
• M17: 11,726,229 km (0.078 R)
• M18: 13,411,748 km (0.117 R)
• M19: 18,389,917 km (0.071 R)
• M20: 19,714,157 km (0.09 R)
• M21: 20,803,828 km (0.111 R)
• M22: 22,944,274 km (0.1 R)
• M23: 24,809,311 km (0.077 R)
• M24: 28,471,766 km (0.084 R)
• M25: 29,115,486 km (0.075 R)
• M26: 29,768,630 km (0.065 R)
• M27: 30,431,648 km (0.081 R)
• M28: 32,380,310 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.4

Radius: 13.2

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 6.31 AU - 9.25 AU

Year: 7699 Days

Day: 8.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,379,097 km

• M1: 164,408 km (0.078 R)
• M2: 653,443 km (0.057 R)
• M3: 1,220,270 km (0.071 R)
• M4: 2,493,198 km (0.102 R)
• M5: 3,466,332 km (0.112 R)
• M6: 5,101,587 km (0.072 R)
• M7: 8,864,571 km (0.096 R)
• M8: 9,604,931 km (0.054 R)
• M9: 13,486,248 km (0.085 R)
• M10: 15,431,469 km (0.095 R)
• M11: 18,169,709 km (0.092 R)
• M12: 18,866,535 km (0.051 R)
• M13: 22,383,581 km (0.066 R)
• M14: 30,200,369 km (0.043 R)
• M15: 31,178,590 km (0.074 R)
• M16: 32,177,904 km (0.119 R)
• M17: 36,940,950 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.6

Radius: 13.2

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 7.56 AU - 8.58 AU

Year: 8133 Days

Day: 9.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,379,097 km

• M1: 164,109 km (0.09 R)
• M2: 724,951 km (0.117 R)
• M3: 1,229,096 km (0.069 R)
• M4: 1,661,434 km (0.104 R)
• M5: 2,827,549 km (0.109 R)
• M6: 3,600,073 km (0.077 R)
• M7: 6,381,845 km (0.077 R)
• M8: 7,432,770 km (0.081 R)
• M9: 7,917,168 km (0.093 R)
• M10: 9,405,517 km (0.077 R)
• M11: 12,363,666 km (0.119 R)
• M12: 14,734,193 km (0.106 R)
• M13: 17,746,945 km (0.113 R)
• M14: 20,514,506 km (0.112 R)
• M15: 21,796,111 km (0.094 R)
• M16: 22,707,610 km (0.089 R)
• M17: 24,606,905 km (0.097 R)
• M18: 30,629,266 km (0.08 R)
• M19: 31,667,775 km (0.092 R)
• M20: 35,374,810 km (0.091 R)
• M21: 36,402,547 km (0.104 R)
• M22: 40,713,210 km (0.073 R)
• M23: 42,095,494 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321

Radius: 12.7

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 8.59 AU - 8.79 AU

Year: 9088 Days

Day: 12.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,379,097 km

• M1: 157,975 km (0.113 R)
• M2: 575,503 km (0.111 R)
• M3: 1,183,918 km (0.085 R)
• M4: 1,636,152 km (0.046 R)
• M5: 2,081,206 km (0.116 R)
• M6: 2,846,249 km (0.06 R)
• M7: 4,401,169 km (0.119 R)
• M8: 5,974,939 km (0.115 R)
• M9: 7,084,058 km (0.11 R)
• M10: 7,782,231 km (0.09 R)
• M11: 9,273,572 km (0.085 R)
• M12: 9,751,687 km (0.102 R)
• M13: 10,569,688 km (0.094 R)
• M14: 12,239,200 km (0.062 R)
• M15: 16,407,146 km (0.12 R)
• M16: 21,513,221 km (0.11 R)
• M17: 25,932,641 km (0.037 R)
• M18: 28,218,497 km (0.106 R)
• M19: 30,635,699 km (0.054 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.5

Radius: 8.4

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 7.37 AU - 10.55 AU

Year: 9515 Days

Day: 11.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 140.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,379,097 km

• M1: 104,419 km (0.118 R)
• M2: 425,756 km (0.084 R)
• M3: 754,572 km (0.098 R)
• M4: 1,167,462 km (0.034 R)
• M5: 1,451,847 km (0.059 R)
• M6: 3,459,451 km (0.077 R)
• M7: 3,720,798 km (0.09 R)
• M8: 4,096,738 km (0.093 R)
• M9: 4,901,574 km (0.063 R)
• M10: 5,834,018 km (0.092 R)
• M11: 7,696,062 km (0.049 R)
• M12: 9,267,887 km (0.077 R)
• M13: 12,855,693 km (0.109 R)
• M14: 14,956,197 km (0.093 R)
• M15: 17,275,562 km (0.114 R)
• M16: 17,601,985 km (0.079 R)
• M17: 19,006,409 km (0.103 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.7

Radius: 14.2

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 9.32 AU - 10.2 AU

Year: 10817 Days

Day: 6.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 150.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,379,097 km

• M1: 176,974 km (0.108 R)
• M2: 689,646 km (0.107 R)
• M3: 1,197,980 km (0.057 R)
• M4: 1,964,370 km (0.077 R)
• M5: 2,422,588 km (0.077 R)
• M6: 3,086,354 km (0.113 R)
• M7: 3,662,006 km (0.087 R)
• M8: 4,252,170 km (0.059 R)
• M9: 5,322,543 km (0.077 R)
• M10: 6,155,504 km (0.05 R)
• M11: 6,954,207 km (0.091 R)
• M12: 8,666,504 km (0.093 R)
• M13: 9,820,502 km (0.08 R)
• M14: 13,152,645 km (0.084 R)
• M15: 16,668,494 km (0.102 R)
• M16: 18,144,576 km (0.1 R)
• M17: 19,307,700 km (0.092 R)
• M18: 20,851,550 km (0.118 R)
• M19: 21,355,844 km (0.104 R)
• M20: 23,185,127 km (0.085 R)
• M21: 23,908,732 km (0.101 R)
• M22: 24,554,247 km (0.092 R)
• M23: 28,778,142 km (0.05 R)
• M24: 31,664,783 km (0.115 R)
• M25: 40,297,328 km (0.079 R)
• M26: 41,343,915 km (0.101 R)

Kuiper Belt

Range: 30.9 - 58.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 460 - 15,804 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit