🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.51 AU - 0.67 AU

Year: 297 Days

Day: 25.4 Hours

Environment

Temp: -128 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 87,758,433 km

• M1: 41,588 km (0.069 R)
• M2: 372,499 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.7

Radius: 8.5

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.86 AU - 0.88 AU

Year: 532 Days

Day: 11.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,758,433 km

• M1: 105,915 km (0.084 R)
• M2: 452,683 km (0.107 R)
• M3: 740,659 km (0.071 R)
• M4: 1,253,032 km (0.12 R)
• M5: 1,764,806 km (0.09 R)
• M6: 2,146,879 km (0.098 R)
• M7: 2,505,316 km (0.091 R)
• M8: 3,146,043 km (0.061 R)
• M9: 3,426,539 km (0.09 R)
• M10: 4,078,786 km (0.119 R)
• M11: 4,765,889 km (0.069 R)
• M12: 5,428,458 km (0.032 R)
• M13: 5,799,311 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.3

Radius: 13.4

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.26 AU - 1.3 AU

Year: 950 Days

Day: 10.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 87,758,433 km

• M1: 166,652 km (0.109 R)
• M2: 750,084 km (0.045 R)
• M3: 1,231,789 km (0.067 R)
• M4: 1,924,726 km (0.116 R)
• M5: 2,847,147 km (0.112 R)
• M6: 4,137,578 km (0.107 R)
• M7: 4,702,759 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.1

Radius: 8

Gravity: 12.35 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.55 AU - 2.25 AU

Year: 1718 Days

Day: 11.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 87,758,433 km

• M1: 99,632 km (0.053 R)
• M2: 377,136 km (0.077 R)
• M3: 695,481 km (0.095 R)
• M4: 1,087,427 km (0.116 R)
• M5: 1,405,472 km (0.117 R)
• M6: 1,661,584 km (0.03 R)
• M7: 2,358,710 km (0.092 R)
• M8: 2,724,028 km (0.077 R)
• M9: 3,904,355 km (0.106 R)
• M10: 4,280,145 km (0.113 R)
• M11: 4,742,103 km (0.068 R)
• M12: 5,017,513 km (0.056 R)
• M13: 5,694,443 km (0.112 R)
• M14: 5,981,820 km (0.066 R)
• M15: 7,146,440 km (0.092 R)
• M16: 7,914,176 km (0.055 R)
• M17: 8,181,807 km (0.045 R)
• M18: 8,455,571 km (0.097 R)
• M19: 8,735,468 km (0.115 R)
• M20: 9,679,880 km (0.117 R)
• M21: 13,002,299 km (0.103 R)
• M22: 13,417,583 km (0.089 R)
• M23: 14,187,413 km (0.109 R)
• M24: 14,986,415 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163

Radius: 14.4

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.36 AU - 4.4 AU

Year: 5014 Days

Day: 5.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,758,433 km

• M1: 185,801 km (0.109 R)
• M2: 1,127,220 km (0.116 R)
• M3: 3,934,424 km (0.118 R)
• M4: 4,755,567 km (0.103 R)
• M5: 5,372,658 km (0.114 R)
• M6: 6,880,604 km (0.084 R)
• M7: 8,201,404 km (0.078 R)
• M8: 9,792,527 km (0.117 R)
• M9: 10,267,051 km (0.108 R)
• M10: 11,066,203 km (0.119 R)
• M11: 17,707,451 km (0.062 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 924.2

Radius: 3.6

Gravity: 71.31 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 5.92 AU - 8.06 AU

Year: 12123 Days

Day: 16.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 87,758,433 km

• M1: 45,179 km (0.049 R)
• M2: 162,314 km (0.115 R)
• M3: 897,587 km (0.108 R)
• M4: 1,242,410 km (0.071 R)
• M5: 2,035,129 km (0.051 R)
• M6: 2,923,142 km (0.065 R)
• M7: 6,252,593 km (0.098 R)
• M8: 6,699,741 km (0.106 R)
• M9: 8,952,834 km (0.115 R)
• M10: 9,732,389 km (0.11 R)
• M11: 17,032,316 km (0.119 R)
• M12: 18,469,353 km (0.027 R)
• M13: 18,633,911 km (0.069 R)
• M14: 22,598,853 km (0.07 R)
• M15: 24,232,162 km (0.104 R)
• M16: 24,826,814 km (0.109 R)
• M17: 25,431,339 km (0.09 R)
• M18: 26,879,596 km (0.116 R)
• M19: 30,970,200 km (0.099 R)
• M20: 31,319,062 km (0.104 R)
• M21: 34,452,240 km (0.107 R)
• M22: 42,466,497 km (0.107 R)
• M23: 54,965,250 km (0.113 R)
• M24: 58,610,052 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 842.3

Radius: 3.9

Gravity: 55.38 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 8.12 AU - 11.62 AU

Year: 20342 Days

Day: 22.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 87,758,433 km

• M1: 48,769 km (0.085 R)
• M2: 299,645 km (0.119 R)
• M3: 595,998 km (0.116 R)
• M4: 1,634,506 km (0.096 R)
• M5: 1,818,661 km (0.097 R)
• M6: 2,142,242 km (0.107 R)
• M7: 2,455,948 km (0.066 R)
• M8: 3,146,193 km (0.098 R)
• M9: 4,255,910 km (0.095 R)
• M10: 4,569,617 km (0.078 R)
• M11: 4,935,982 km (0.067 R)
• M12: 5,685,766 km (0.09 R)
• M13: 5,852,717 km (0.114 R)
• M14: 6,645,137 km (0.095 R)
• M15: 8,173,429 km (0.064 R)
• M16: 8,440,013 km (0.043 R)
• M17: 9,506,496 km (0.078 R)
• M18: 14,210,302 km (0.114 R)
• M19: 14,751,996 km (0.101 R)
• M20: 15,712,264 km (0.086 R)
• M21: 16,291,358 km (0.106 R)
• M22: 17,143,018 km (0.092 R)
• M23: 17,579,844 km (0.102 R)
• M24: 18,384,830 km (0.085 R)
• M25: 22,780,465 km (0.082 R)
• M26: 23,414,760 km (0.082 R)
• M27: 23,952,265 km (0.053 R)
• M28: 25,275,907 km (0.041 R)
• M29: 26,763,957 km (0.103 R)
• M30: 31,838,316 km (0.075 R)
• M31: 37,371,493 km (0.057 R)
• M32: 38,105,270 km (0.034 R)
• M33: 40,364,049 km (0.107 R)
• M34: 45,146,094 km (0.107 R)
• M35: 49,584,513 km (0.119 R)
• M36: 50,114,539 km (0.113 R)
• M37: 50,648,453 km (0.087 R)
• M38: 51,366,224 km (0.077 R)
• M39: 55,245,746 km (0.108 R)
• M40: 60,716,091 km (0.072 R)
• M41: 63,374,146 km (0.048 R)
• M42: 65,895,768 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.2

Radius: 4.1

Gravity: 55.57 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 9.87 AU - 10.43 AU

Year: 21213 Days

Day: 21.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 87,758,433 km

• M1: 74,051 km (0.056 R)
• M2: 296,802 km (0.089 R)
• M3: 430,842 km (0.074 R)
• M4: 1,218,624 km (0.089 R)
• M5: 1,610,421 km (0.051 R)
• M6: 1,915,152 km (0.077 R)
• M7: 3,407,839 km (0.085 R)
• M8: 3,621,316 km (0.043 R)
• M9: 7,122,055 km (0.097 R)
• M10: 8,756,263 km (0.115 R)
• M11: 9,629,914 km (0.044 R)
• M12: 13,785,145 km (0.083 R)
• M13: 15,702,690 km (0.095 R)
• M14: 31,975,946 km (0.106 R)
• M15: 33,198,460 km (0.107 R)
• M16: 37,052,550 km (0.05 R)
• M17: 40,877,469 km (0.079 R)
• M18: 48,410,021 km (0.094 R)
• M19: 58,808,120 km (0.102 R)
• M20: 60,434,548 km (0.084 R)
• M21: 72,204,160 km (0.052 R)
• M22: 80,844,185 km (0.107 R)
• M23: 82,600,464 km (0.072 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 267 - 19,771 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit