🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.42 AU - 0.62 AU

Year: 242 Days

Day: 47.1 Hours

Environment

Temp: -125 °C

Axial Tilt: 47.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,958,704 km

• M1: 29,172 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.9

Radius: 11.9

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.55 AU - 0.81 AU

Year: 362 Days

Day: 6.6 Hours

Environment

Temp: -128 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,958,704 km

• M1: 147,952 km (0.088 R)
• M2: 573,409 km (0.118 R)
• M3: 1,046,437 km (0.06 R)
• M4: 1,576,762 km (0.082 R)
• M5: 2,086,741 km (0.086 R)
• M6: 2,549,597 km (0.061 R)
• M7: 3,385,101 km (0.113 R)
• M8: 3,822,674 km (0.092 R)
• M9: 4,353,148 km (0.1 R)
• M10: 4,842,333 km (0.099 R)
• M11: 5,272,577 km (0.07 R)
• M12: 5,728,252 km (0.075 R)

Asteroid Belt

Center: 1.05 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.5

Radius: 11.4

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.21 AU - 1.63 AU

Year: 1093 Days

Day: 11.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,958,704 km

• M1: 143,016 km (0.078 R)
• M2: 512,373 km (0.063 R)
• M3: 1,042,099 km (0.075 R)
• M4: 1,479,972 km (0.106 R)
• M5: 1,878,351 km (0.106 R)
• M6: 2,423,785 km (0.105 R)
• M7: 2,791,795 km (0.077 R)
• M8: 3,505,976 km (0.073 R)
• M9: 4,253,666 km (0.102 R)
• M10: 5,612,912 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.9

Radius: 10

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.71 AU - 2.49 AU

Year: 1965 Days

Day: 11.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,958,704 km

• M1: 124,316 km (0.078 R)
• M2: 481,556 km (0.083 R)
• M3: 1,323,492 km (0.108 R)
• M4: 1,688,661 km (0.088 R)
• M5: 3,004,374 km (0.055 R)
• M6: 3,356,079 km (0.12 R)
• M7: 5,146,616 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.1

Radius: 10.3

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.63 AU - 2.61 AU

Year: 1993 Days

Day: 13.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,958,704 km

• M1: 128,056 km (0.057 R)
• M2: 500,255 km (0.068 R)
• M3: 835,205 km (0.116 R)
• M4: 1,268,740 km (0.078 R)
• M5: 1,672,504 km (0.06 R)
• M6: 2,113,369 km (0.112 R)
• M7: 2,831,888 km (0.069 R)
• M8: 3,362,811 km (0.085 R)
• M9: 3,705,539 km (0.116 R)
• M10: 4,033,757 km (0.07 R)
• M11: 4,441,561 km (0.072 R)
• M12: 4,962,760 km (0.089 R)
• M13: 5,385,972 km (0.117 R)
• M14: 5,784,800 km (0.046 R)
• M15: 6,253,939 km (0.106 R)
• M16: 6,801,766 km (0.06 R)
• M17: 8,358,482 km (0.064 R)
• M18: 9,352,859 km (0.103 R)
• M19: 9,724,011 km (0.046 R)
• M20: 12,361,870 km (0.081 R)
• M21: 15,820,274 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.3

Radius: 10.1

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.75 AU - 4.37 AU

Year: 5282 Days

Day: 9.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,958,704 km

• M1: 125,662 km (0.079 R)
• M2: 481,107 km (0.093 R)
• M3: 1,132,157 km (0.112 R)
• M4: 1,937,292 km (0.102 R)
• M5: 2,443,382 km (0.053 R)
• M6: 2,807,054 km (0.104 R)
• M7: 3,137,815 km (0.101 R)
• M8: 4,060,535 km (0.097 R)
• M9: 5,130,459 km (0.102 R)
• M10: 5,705,513 km (0.089 R)
• M11: 6,984,425 km (0.114 R)
• M12: 7,440,101 km (0.082 R)
• M13: 8,310,461 km (0.079 R)
• M14: 9,464,908 km (0.115 R)
• M15: 9,797,464 km (0.082 R)
• M16: 10,643,589 km (0.083 R)
• M17: 11,371,533 km (0.094 R)
• M18: 11,790,107 km (0.09 R)
• M19: 13,016,960 km (0.025 R)
• M20: 15,518,236 km (0.088 R)
• M21: 17,317,001 km (0.083 R)
• M22: 17,703,861 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.5

Radius: 14.7

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.98 AU - 6.46 AU

Year: 7701 Days

Day: 12.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 46,958,704 km

• M1: 183,706 km (0.112 R)
• M2: 760,705 km (0.111 R)
• M3: 1,446,462 km (0.091 R)
• M4: 1,911,412 km (0.108 R)
• M5: 2,407,927 km (0.076 R)
• M6: 3,484,882 km (0.087 R)
• M7: 4,159,569 km (0.09 R)
• M8: 4,721,758 km (0.061 R)
• M9: 5,426,364 km (0.099 R)
• M10: 6,302,259 km (0.1 R)
• M11: 7,346,153 km (0.03 R)
• M12: 8,799,048 km (0.087 R)
• M13: 9,685,116 km (0.09 R)
• M14: 10,340,205 km (0.101 R)
• M15: 12,813,806 km (0.06 R)
• M16: 13,836,008 km (0.093 R)
• M17: 15,786,615 km (0.089 R)
• M18: 18,404,577 km (0.103 R)
• M19: 19,047,549 km (0.114 R)
• M20: 21,300,194 km (0.076 R)
• M21: 22,168,908 km (0.067 R)
• M22: 23,143,539 km (0.113 R)
• M23: 24,658,815 km (0.116 R)
• M24: 29,504,440 km (0.078 R)
• M25: 30,683,720 km (0.085 R)
• M26: 33,663,261 km (0.044 R)
• M27: 34,195,829 km (0.113 R)
• M28: 36,048,749 km (0.031 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 495.7

Radius: 5.3

Gravity: 17.65 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 6.04 AU - 7.52 AU

Year: 11399 Days

Day: 17.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,958,704 km

• M1: 65,973 km (0.026 R)
• M2: 300,393 km (0.05 R)
• M3: 572,062 km (0.052 R)
• M4: 928,704 km (0.094 R)
• M5: 1,282,054 km (0.045 R)
• M6: 1,449,454 km (0.116 R)
• M7: 1,991,447 km (0.117 R)
• M8: 3,820,281 km (0.091 R)
• M9: 5,349,769 km (0.034 R)
• M10: 6,033,581 km (0.077 R)
• M11: 7,126,543 km (0.1 R)
• M12: 7,490,964 km (0.11 R)
• M13: 8,039,090 km (0.077 R)
• M14: 9,943,621 km (0.094 R)
• M15: 10,605,292 km (0.12 R)
• M16: 12,416,324 km (0.117 R)
• M17: 13,670,403 km (0.061 R)
• M18: 16,357,779 km (0.104 R)
• M19: 18,383,035 km (0.087 R)
• M20: 19,145,087 km (0.077 R)
• M21: 20,569,558 km (0.075 R)
• M22: 33,235,411 km (0.101 R)
• M23: 41,165,893 km (0.056 R)
• M24: 46,119,677 km (0.091 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 545 - 19,405 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit