🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.53 AU - 0.59 AU

Year: 271 Days

Day: 16.9 Hours

Environment

Temp: -116 °C

Axial Tilt: 45.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,505,200 km

• M1: 71,807 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.2

Radius: 9.5

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.59 AU - 0.91 AU

Year: 419 Days

Day: 12.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,505,200 km

• M1: 118,182 km (0.071 R)
• M2: 464,801 km (0.118 R)
• M3: 872,904 km (0.119 R)
• M4: 1,288,038 km (0.117 R)
• M5: 1,907,223 km (0.064 R)
• M6: 2,209,261 km (0.095 R)
• M7: 3,542,178 km (0.094 R)
• M8: 4,015,656 km (0.098 R)
• M9: 5,015,568 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.2

Radius: 13.9

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.85 AU - 0.93 AU

Year: 542 Days

Day: 13.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,505,200 km

• M1: 172,935 km (0.091 R)
• M2: 778,059 km (0.072 R)
• M3: 1,498,821 km (0.067 R)
• M4: 1,941,481 km (0.117 R)
• M5: 2,779,080 km (0.09 R)
• M6: 3,504,031 km (0.094 R)
• M7: 4,100,178 km (0.104 R)
• M8: 4,668,351 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.4

Radius: 8.3

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.98 AU - 1.54 AU

Year: 913 Days

Day: 6.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,505,200 km

• M1: 103,372 km (0.117 R)
• M2: 410,347 km (0.081 R)
• M3: 719,416 km (0.114 R)
• M4: 1,005,896 km (0.092 R)
• M5: 1,266,047 km (0.057 R)
• M6: 1,811,481 km (0.115 R)
• M7: 3,556,540 km (0.103 R)
• M8: 3,841,673 km (0.104 R)
• M9: 4,142,215 km (0.054 R)
• M10: 4,998,065 km (0.085 R)
• M11: 5,486,652 km (0.109 R)
• M12: 6,967,820 km (0.07 R)
• M13: 7,812,749 km (0.082 R)
• M14: 8,076,639 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.6

Radius: 11.1

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.61 AU - 1.71 AU

Year: 1381 Days

Day: 6.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,505,200 km

• M1: 139,575 km (0.12 R)
• M2: 569,070 km (0.087 R)
• M3: 950,096 km (0.119 R)
• M4: 1,481,767 km (0.086 R)
• M5: 1,827,787 km (0.076 R)
• M6: 2,335,073 km (0.112 R)
• M7: 2,769,206 km (0.104 R)
• M8: 3,348,748 km (0.09 R)
• M9: 4,576,348 km (0.116 R)
• M10: 5,518,665 km (0.079 R)
• M11: 6,318,715 km (0.111 R)
• M12: 7,539,733 km (0.11 R)
• M13: 8,731,729 km (0.083 R)
• M14: 10,243,265 km (0.099 R)
• M15: 11,630,486 km (0.093 R)
• M16: 12,520,743 km (0.047 R)
• M17: 13,296,857 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.8

Radius: 14.2

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 3.49 AU - 4.29 AU

Year: 4954 Days

Day: 6.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,505,200 km

• M1: 176,675 km (0.103 R)
• M2: 624,422 km (0.107 R)
• M3: 1,391,260 km (0.097 R)
• M4: 2,343,750 km (0.032 R)
• M5: 3,001,532 km (0.053 R)
• M6: 3,493,409 km (0.117 R)
• M7: 3,995,460 km (0.12 R)
• M8: 5,631,313 km (0.074 R)
• M9: 6,206,068 km (0.09 R)
• M10: 8,133,786 km (0.055 R)
• M11: 8,756,861 km (0.066 R)
• M12: 9,293,768 km (0.096 R)
• M13: 9,975,336 km (0.076 R)
• M14: 10,950,265 km (0.117 R)
• M15: 12,506,681 km (0.079 R)
• M16: 13,438,526 km (0.084 R)
• M17: 16,055,442 km (0.059 R)
• M18: 16,570,657 km (0.08 R)
• M19: 17,096,942 km (0.056 R)
• M20: 17,876,796 km (0.093 R)
• M21: 19,572,338 km (0.115 R)
• M22: 21,648,906 km (0.092 R)
• M23: 22,633,260 km (0.119 R)
• M24: 23,281,617 km (0.101 R)
• M25: 25,301,637 km (0.12 R)

Asteroid Belt

Center: 6.92 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 427

Radius: 5

Gravity: 17.08 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 9.64 AU - 10.24 AU

Year: 20235 Days

Day: 20.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,505,200 km

• M1: 62,233 km (0.111 R)
• M2: 431,291 km (0.115 R)
• M3: 685,757 km (0.053 R)
• M4: 1,186,012 km (0.115 R)
• M5: 1,379,143 km (0.093 R)
• M6: 1,641,837 km (0.093 R)
• M7: 1,846,935 km (0.083 R)
• M8: 2,435,453 km (0.115 R)
• M9: 2,634,419 km (0.103 R)
• M10: 2,820,219 km (0.106 R)
• M11: 3,014,846 km (0.084 R)
• M12: 3,513,306 km (0.079 R)
• M13: 4,945,406 km (0.094 R)
• M14: 6,515,586 km (0.116 R)
• M15: 7,761,437 km (0.105 R)
• M16: 8,490,427 km (0.08 R)
• M17: 10,656,006 km (0.105 R)
• M18: 13,708,850 km (0.054 R)
• M19: 14,410,912 km (0.089 R)
• M20: 15,962,841 km (0.098 R)
• M21: 19,569,346 km (0.076 R)
• M22: 19,921,799 km (0.06 R)
• M23: 23,883,001 km (0.085 R)
• M24: 26,688,859 km (0.049 R)
• M25: 30,407,114 km (0.073 R)
• M26: 44,205,273 km (0.096 R)
• M27: 49,215,755 km (0.063 R)
• M28: 52,025,502 km (0.111 R)
• M29: 53,555,290 km (0.116 R)
• M30: 56,883,094 km (0.105 R)
• M31: 59,605,776 km (0.117 R)
• M32: 60,346,135 km (0.058 R)
• M33: 64,140,536 km (0.078 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: 254 - 14,854 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit