🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.49 AU - 0.73 AU

Year: 313 Days

Day: 36.7 Hours

Environment

Temp: -124 °C

Axial Tilt: 8.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 46,609,265 km

• M1: 31,565 km (0.057 R)
• M2: 272,717 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.5

Radius: 11.4

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.62 AU - 0.86 AU

Year: 418 Days

Day: 7.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,609,265 km

• M1: 141,819 km (0.11 R)
• M2: 498,460 km (0.038 R)
• M3: 864,526 km (0.038 R)
• M4: 1,439,132 km (0.118 R)
• M5: 2,120,101 km (0.099 R)
• M6: 3,066,756 km (0.104 R)
• M7: 3,934,723 km (0.117 R)
• M8: 4,486,739 km (0.026 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.2

Radius: 8.3

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.19 AU - 1.37 AU

Year: 950 Days

Day: 6.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,609,265 km

• M1: 103,223 km (0.098 R)
• M2: 369,806 km (0.113 R)
• M3: 763,548 km (0.088 R)
• M4: 1,088,025 km (0.086 R)
• M5: 1,560,455 km (0.097 R)
• M6: 2,164,083 km (0.055 R)
• M7: 2,474,947 km (0.111 R)
• M8: 2,742,428 km (0.099 R)
• M9: 3,605,907 km (0.114 R)
• M10: 3,982,445 km (0.096 R)
• M11: 5,798,413 km (0.088 R)
• M12: 6,168,369 km (0.081 R)
• M13: 6,932,964 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.9

Radius: 11.5

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.06 AU - 1.66 AU

Year: 1040 Days

Day: 10.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,609,265 km

• M1: 143,315 km (0.116 R)
• M2: 522,396 km (0.097 R)
• M3: 980,016 km (0.101 R)
• M4: 1,415,196 km (0.111 R)
• M5: 1,782,608 km (0.113 R)
• M6: 2,729,413 km (0.114 R)
• M7: 3,092,637 km (0.119 R)
• M8: 3,787,070 km (0.087 R)
• M9: 4,171,836 km (0.095 R)
• M10: 4,769,779 km (0.088 R)
• M11: 6,458,589 km (0.106 R)
• M12: 7,672,276 km (0.093 R)
• M13: 8,599,933 km (0.025 R)
• M14: 9,209,395 km (0.115 R)
• M15: 9,816,313 km (0.117 R)
• M16: 10,288,893 km (0.108 R)
• M17: 10,710,609 km (0.099 R)
• M18: 11,450,819 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.2

Radius: 10.1

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.65 AU - 2.25 AU

Year: 1786 Days

Day: 8.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,609,265 km

• M1: 125,662 km (0.114 R)
• M2: 444,605 km (0.076 R)
• M3: 824,135 km (0.055 R)
• M4: 1,302,249 km (0.085 R)
• M5: 1,794,576 km (0.088 R)
• M6: 3,544,273 km (0.042 R)
• M7: 3,877,726 km (0.096 R)
• M8: 4,864,175 km (0.029 R)
• M9: 5,691,152 km (0.109 R)
• M10: 6,340,706 km (0.1 R)
• M11: 6,936,255 km (0.088 R)
• M12: 7,460,595 km (0.119 R)
• M13: 9,570,075 km (0.095 R)
• M14: 10,220,377 km (0.1 R)
• M15: 10,830,736 km (0.071 R)
• M16: 11,537,137 km (0.09 R)
• M17: 11,975,459 km (0.112 R)
• M18: 12,577,291 km (0.055 R)
• M19: 13,120,332 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.3

Radius: 8

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.46 AU - 2.68 AU

Year: 2703 Days

Day: 5.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,609,265 km

• M1: 100,530 km (0.112 R)
• M2: 418,724 km (0.041 R)
• M3: 1,421,180 km (0.054 R)
• M4: 1,730,847 km (0.12 R)
• M5: 2,739,137 km (0.083 R)
• M6: 3,611,442 km (0.105 R)
• M7: 5,040,999 km (0.067 R)
• M8: 5,871,716 km (0.116 R)
• M9: 7,727,029 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.3

Radius: 12.3

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.1 AU - 5.16 AU

Year: 5506 Days

Day: 9.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 46,609,265 km

• M1: 153,039 km (0.092 R)
• M2: 746,493 km (0.034 R)
• M3: 1,131,857 km (0.114 R)
• M4: 1,643,033 km (0.113 R)
• M5: 2,339,561 km (0.045 R)
• M6: 4,398,028 km (0.071 R)
• M7: 5,012,576 km (0.078 R)
• M8: 5,744,708 km (0.081 R)
• M9: 7,459,249 km (0.119 R)
• M10: 8,614,893 km (0.106 R)
• M11: 9,025,539 km (0.103 R)
• M12: 9,535,667 km (0.066 R)
• M13: 10,428,767 km (0.108 R)
• M14: 11,038,528 km (0.094 R)
• M15: 11,871,788 km (0.079 R)
• M16: 14,624,389 km (0.096 R)
• M17: 19,829,946 km (0.083 R)
• M18: 20,548,016 km (0.108 R)
• M19: 21,357,938 km (0.061 R)
• M20: 22,573,720 km (0.075 R)
• M21: 23,674,910 km (0.096 R)
• M22: 26,497,972 km (0.04 R)
• M23: 26,931,207 km (0.066 R)
• M24: 27,634,317 km (0.074 R)
• M25: 28,439,902 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.5

Radius: 9.7

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.27 AU - 5.99 AU

Year: 7622 Days

Day: 5.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,609,265 km

• M1: 128,056 km (0.036 R)
• M2: 2,021,516 km (0.109 R)
• M3: 7,093,632 km (0.109 R)
• M4: 7,649,089 km (0.076 R)
• M5: 8,699,715 km (0.119 R)
• M6: 17,689,200 km (0.073 R)
• M7: 18,285,497 km (0.079 R)
• M8: 19,707,425 km (0.08 R)
• M9: 21,603,877 km (0.089 R)
• M10: 23,404,736 km (0.065 R)
• M11: 24,341,818 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 566.2

Radius: 7.5

Gravity: 10.07 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 6.2 AU - 6.54 AU

Year: 10547 Days

Day: 15.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,609,265 km

• M1: 150,196 km (0.078 R)
• M2: 476,619 km (0.106 R)
• M3: 1,589,178 km (0.108 R)
• M4: 2,070,584 km (0.071 R)
• M5: 2,727,169 km (0.051 R)
• M6: 4,055,748 km (0.028 R)
• M7: 8,890,302 km (0.119 R)
• M8: 12,459,408 km (0.077 R)
• M9: 13,958,678 km (0.094 R)
• M10: 16,323,372 km (0.045 R)
• M11: 17,096,045 km (0.068 R)
• M12: 19,795,837 km (0.081 R)
• M13: 22,252,534 km (0.069 R)
• M14: 23,998,939 km (0.069 R)
• M15: 24,268,515 km (0.082 R)
• M16: 26,786,696 km (0.105 R)
• M17: 29,990,783 km (0.111 R)
• M18: 32,336,029 km (0.061 R)
• M19: 32,775,248 km (0.074 R)
• M20: 35,844,248 km (0.072 R)
• M21: 36,789,258 km (0.059 R)
• M22: 39,974,945 km (0.118 R)
• M23: 45,915,027 km (0.119 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 223 - 13,054 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit