🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.4

Radius: 14.2

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.46 AU - 0.58 AU

Year: 259 Days

Day: 7.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 54,594,287 km

• M1: 176,675 km (0.096 R)
• M2: 691,142 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.2

Radius: 12.3

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.49 AU - 0.69 AU

Year: 313 Days

Day: 7.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,594,287 km

• M1: 153,039 km (0.117 R)
• M2: 536,907 km (0.074 R)
• M3: 925,562 km (0.096 R)
• M4: 1,314,367 km (0.108 R)
• M5: 1,973,794 km (0.116 R)
• M6: 2,452,807 km (0.094 R)
• M7: 3,030,404 km (0.104 R)
• M8: 3,449,278 km (0.092 R)
• M9: 4,150,743 km (0.116 R)
• M10: 4,542,988 km (0.088 R)
• M11: 5,049,676 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.3

Radius: 8.9

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.65 AU - 0.97 AU

Year: 503 Days

Day: 5.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,594,287 km

• M1: 110,702 km (0.048 R)
• M2: 398,678 km (0.103 R)
• M3: 761,453 km (0.106 R)
• M4: 1,158,336 km (0.093 R)
• M5: 1,704,817 km (0.105 R)
• M6: 2,078,363 km (0.09 R)
• M7: 2,360,355 km (0.075 R)
• M8: 3,387,793 km (0.104 R)
• M9: 4,073,101 km (0.062 R)
• M10: 5,071,368 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.8

Radius: 11.2

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.04 AU - 1.36 AU

Year: 907 Days

Day: 6.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,594,287 km

• M1: 139,425 km (0.053 R)
• M2: 502,050 km (0.044 R)
• M3: 857,794 km (0.085 R)
• M4: 1,363,734 km (0.088 R)
• M5: 2,102,897 km (0.11 R)
• M6: 2,525,362 km (0.033 R)
• M7: 3,246,573 km (0.118 R)
• M8: 3,785,724 km (0.099 R)
• M9: 4,256,209 km (0.109 R)
• M10: 5,061,794 km (0.079 R)
• M11: 5,576,859 km (0.105 R)
• M12: 6,799,373 km (0.107 R)
• M13: 7,543,622 km (0.088 R)
• M14: 8,167,745 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.9

Radius: 12.1

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.7 AU - 4.72 AU

Year: 5963 Days

Day: 6.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,594,287 km

• M1: 151,393 km (0.089 R)
• M2: 611,706 km (0.115 R)
• M3: 1,125,275 km (0.045 R)
• M4: 2,042,909 km (0.081 R)
• M5: 5,610,219 km (0.112 R)
• M6: 6,975,001 km (0.12 R)
• M7: 10,444,774 km (0.088 R)
• M8: 11,616,424 km (0.074 R)
• M9: 12,604,668 km (0.069 R)
• M10: 14,867,485 km (0.081 R)
• M11: 16,348,355 km (0.082 R)
• M12: 19,031,841 km (0.06 R)
• M13: 22,624,135 km (0.112 R)
• M14: 27,359,207 km (0.112 R)
• M15: 27,993,950 km (0.063 R)
• M16: 34,157,532 km (0.118 R)
• M17: 34,999,768 km (0.104 R)
• M18: 36,506,967 km (0.055 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 846.3

Radius: 3

Gravity: 94.03 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 4.75 AU - 7.33 AU

Year: 10246 Days

Day: 17.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 54,594,287 km

• M1: 40,691 km (0.065 R)
• M2: 160,219 km (0.116 R)
• M3: 303,085 km (0.115 R)
• M4: 563,685 km (0.113 R)
• M5: 815,009 km (0.116 R)
• M6: 976,724 km (0.088 R)
• M7: 1,461,870 km (0.091 R)
• M8: 1,830,480 km (0.111 R)
• M9: 2,434,107 km (0.043 R)
• M10: 4,609,559 km (0.106 R)
• M11: 6,645,586 km (0.077 R)
• M12: 6,885,392 km (0.086 R)
• M13: 7,596,131 km (0.06 R)
• M14: 8,354,443 km (0.097 R)
• M15: 9,015,815 km (0.116 R)
• M16: 10,711,208 km (0.094 R)
• M17: 11,040,772 km (0.098 R)
• M18: 14,449,210 km (0.069 R)
• M19: 16,607,608 km (0.102 R)
• M20: 18,654,705 km (0.118 R)
• M21: 19,372,625 km (0.115 R)
• M22: 20,525,875 km (0.089 R)
• M23: 21,377,087 km (0.101 R)
• M24: 23,332,182 km (0.056 R)
• M25: 24,826,515 km (0.064 R)
• M26: 26,483,012 km (0.079 R)
• M27: 27,491,002 km (0.066 R)
• M28: 32,801,577 km (0.104 R)
• M29: 35,635,410 km (0.113 R)
• M30: 37,991,426 km (0.073 R)
• M31: 41,919,119 km (0.073 R)
• M32: 46,833,409 km (0.116 R)
• M33: 48,602,852 km (0.054 R)
• M34: 51,650,011 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 284.7

Radius: 6

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 7.37 AU - 10.77 AU

Year: 18855 Days

Day: 18.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 54,594,287 km

• M1: 74,949 km (0.049 R)
• M2: 337,792 km (0.114 R)
• M3: 712,385 km (0.056 R)
• M4: 968,048 km (0.091 R)
• M5: 1,208,452 km (0.058 R)
• M6: 1,418,038 km (0.09 R)
• M7: 1,762,562 km (0.088 R)
• M8: 2,255,487 km (0.063 R)
• M9: 2,597,169 km (0.088 R)
• M10: 3,669,636 km (0.117 R)
• M11: 4,379,178 km (0.097 R)
• M12: 7,608,548 km (0.071 R)
• M13: 11,271,751 km (0.085 R)
• M14: 12,510,571 km (0.054 R)
• M15: 16,107,801 km (0.113 R)
• M16: 18,298,064 km (0.107 R)
• M17: 20,850,802 km (0.071 R)
• M18: 21,722,508 km (0.089 R)
• M19: 26,852,967 km (0.119 R)
• M20: 27,884,146 km (0.082 R)
• M21: 29,156,027 km (0.118 R)
• M22: 29,479,906 km (0.119 R)
• M23: 31,701,135 km (0.104 R)
• M24: 32,619,965 km (0.101 R)
• M25: 35,116,305 km (0.089 R)
• M26: 40,351,782 km (0.119 R)
• M27: 40,754,050 km (0.11 R)
• M28: 44,211,407 km (0.079 R)
• M29: 46,966,252 km (0.07 R)
• M30: 51,545,293 km (0.08 R)
• M31: 53,135,518 km (0.077 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: 241 - 18,209 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit