🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.44 AU - 0.58 AU

Year: 235 Days

Day: 42 Hours

Environment

Temp: -124 °C

Axial Tilt: 60.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,685,714 km

• M1: 48,769 km (0.044 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.44 AU - 0.62 AU

Year: 249 Days

Day: 38.9 Hours

Environment

Temp: -128 °C

Axial Tilt: 28.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.4

Radius: 9

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.73 AU - 1.07 AU

Year: 551 Days

Day: 8.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,685,714 km

• M1: 118,930 km (0.086 R)
• M2: 415,882 km (0.048 R)
• M3: 760,406 km (0.081 R)
• M4: 1,098,796 km (0.112 R)
• M5: 1,524,103 km (0.088 R)
• M6: 2,013,587 km (0.114 R)
• M7: 2,687,825 km (0.093 R)
• M8: 4,614,646 km (0.079 R)
• M9: 5,005,246 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.1

Radius: 11.7

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.74 AU - 1.08 AU

Year: 561 Days

Day: 11.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,685,714 km

• M1: 145,559 km (0.116 R)
• M2: 586,573 km (0.072 R)
• M3: 1,280,408 km (0.114 R)
• M4: 1,684,771 km (0.116 R)
• M5: 2,241,275 km (0.108 R)
• M6: 3,017,389 km (0.114 R)
• M7: 3,438,357 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.7

Radius: 10.1

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.06 AU - 1.28 AU

Year: 817 Days

Day: 10 Hours

Environment

Temp: -174 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,685,714 km

• M1: 125,662 km (0.061 R)
• M2: 585,227 km (0.116 R)
• M3: 983,307 km (0.091 R)
• M4: 1,393,803 km (0.052 R)
• M5: 2,017,178 km (0.068 R)
• M6: 2,515,339 km (0.075 R)
• M7: 3,069,300 km (0.114 R)
• M8: 3,428,933 km (0.089 R)
• M9: 3,787,968 km (0.03 R)
• M10: 4,311,111 km (0.061 R)
• M11: 4,664,162 km (0.096 R)
• M12: 5,141,529 km (0.114 R)
• M13: 5,670,208 km (0.085 R)
• M14: 6,376,310 km (0.104 R)
• M15: 6,878,959 km (0.048 R)
• M16: 7,273,149 km (0.055 R)
• M17: 8,011,116 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.3

Radius: 11

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.53 AU - 2.77 AU

Year: 2785 Days

Day: 6.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,685,714 km

• M1: 136,732 km (0.091 R)
• M2: 647,908 km (0.12 R)
• M3: 1,002,904 km (0.107 R)
• M4: 1,492,837 km (0.085 R)
• M5: 2,722,382 km (0.11 R)
• M6: 4,068,164 km (0.092 R)
• M7: 4,789,376 km (0.079 R)
• M8: 5,426,064 km (0.09 R)
• M9: 7,952,772 km (0.083 R)
• M10: 9,664,621 km (0.08 R)
• M11: 11,139,357 km (0.057 R)
• M12: 13,802,947 km (0.071 R)
• M13: 15,814,739 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.9

Radius: 12.8

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.22 AU - 4.84 AU

Year: 6225 Days

Day: 6.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,685,714 km

• M1: 159,471 km (0.087 R)
• M2: 635,342 km (0.11 R)
• M3: 1,216,231 km (0.106 R)
• M4: 2,565,304 km (0.094 R)
• M5: 4,509,329 km (0.095 R)
• M6: 5,740,369 km (0.07 R)
• M7: 6,700,788 km (0.06 R)
• M8: 10,593,025 km (0.105 R)
• M9: 11,492,258 km (0.082 R)
• M10: 13,605,627 km (0.114 R)
• M11: 15,966,880 km (0.086 R)
• M12: 17,469,441 km (0.082 R)
• M13: 17,924,966 km (0.083 R)
• M14: 18,656,799 km (0.105 R)
• M15: 19,897,115 km (0.042 R)
• M16: 22,849,579 km (0.081 R)
• M17: 27,195,995 km (0.103 R)
• M18: 29,151,838 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.8

Radius: 8.5

Gravity: 11.21 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.94 AU - 5.58 AU

Year: 7789 Days

Day: 10.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,685,714 km

• M1: 105,766 km (0.072 R)
• M2: 442,959 km (0.088 R)
• M3: 1,909,467 km (0.05 R)
• M4: 2,510,402 km (0.085 R)
• M5: 5,234,280 km (0.081 R)
• M6: 6,586,645 km (0.113 R)
• M7: 7,383,253 km (0.059 R)
• M8: 7,784,475 km (0.093 R)
• M9: 12,466,888 km (0.088 R)
• M10: 16,824,525 km (0.112 R)
• M11: 17,661,525 km (0.12 R)
• M12: 18,820,310 km (0.12 R)
• M13: 25,203,202 km (0.104 R)
• M14: 27,807,103 km (0.1 R)
• M15: 32,041,321 km (0.084 R)
• M16: 36,686,484 km (0.099 R)
• M17: 39,048,335 km (0.118 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.1

Radius: 8.3

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.94 AU - 6.2 AU

Year: 8488 Days

Day: 6.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,685,714 km

• M1: 105,616 km (0.069 R)
• M2: 536,458 km (0.114 R)
• M3: 2,727,768 km (0.072 R)
• M4: 3,025,019 km (0.105 R)
• M5: 6,980,386 km (0.113 R)
• M6: 7,693,818 km (0.052 R)
• M7: 10,504,912 km (0.047 R)
• M8: 10,843,452 km (0.108 R)
• M9: 13,763,303 km (0.107 R)
• M10: 16,447,538 km (0.073 R)
• M11: 21,794,914 km (0.044 R)
• M12: 25,330,659 km (0.109 R)
• M13: 30,386,918 km (0.086 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 275.4

Radius: 7.2

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 5.52 AU - 8.42 AU

Year: 11881 Days

Day: 22.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,685,714 km

• M1: 92,751 km (0.082 R)
• M2: 356,791 km (0.094 R)
• M3: 843,283 km (0.053 R)
• M4: 1,673,402 km (0.11 R)
• M5: 2,177,547 km (0.112 R)
• M6: 2,420,344 km (0.066 R)
• M7: 2,960,691 km (0.102 R)
• M8: 3,371,338 km (0.067 R)
• M9: 3,649,889 km (0.096 R)
• M10: 4,662,966 km (0.091 R)
• M11: 5,885,031 km (0.098 R)
• M12: 6,677,301 km (0.055 R)
• M13: 9,121,431 km (0.105 R)
• M14: 11,370,037 km (0.066 R)
• M15: 12,213,170 km (0.093 R)
• M16: 14,321,453 km (0.106 R)
• M17: 18,166,567 km (0.095 R)
• M18: 26,525,049 km (0.06 R)
• M19: 29,829,815 km (0.104 R)
• M20: 31,124,136 km (0.1 R)
• M21: 35,671,911 km (0.087 R)
• M22: 37,471,275 km (0.105 R)
• M23: 37,815,350 km (0.117 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 16,118 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit