🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.36 AU - 1.94 AU

Year: 770 Days

Day: 26.1 Hours

Environment

Temp: -48 °C

Axial Tilt: 0.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2 AU - 2.86 AU

Year: 1377 Days

Day: 45.3 Hours

Environment

Temp: -81 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.71 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.4

Radius: 8.2

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 4.34 AU - 5.64 AU

Year: 4051 Days

Day: 5.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,941,438 km

• M1: 102,026 km (0.033 R)
• M2: 456,423 km (0.088 R)
• M3: 1,160,580 km (0.09 R)
• M4: 6,115,561 km (0.113 R)
• M5: 7,197,004 km (0.114 R)
• M6: 9,827,683 km (0.099 R)
• M7: 10,830,736 km (0.087 R)
• M8: 11,900,660 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.6

Radius: 8.3

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 5.32 AU - 7.62 AU

Year: 5981 Days

Day: 14.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 42,941,438 km

• M1: 103,372 km (0.109 R)
• M2: 372,648 km (0.1 R)
• M3: 744,249 km (0.084 R)
• M4: 1,008,140 km (0.101 R)
• M5: 1,335,909 km (0.108 R)
• M6: 1,815,370 km (0.088 R)
• M7: 2,306,949 km (0.062 R)
• M8: 2,646,237 km (0.072 R)
• M9: 3,300,129 km (0.035 R)
• M10: 4,081,329 km (0.047 R)
• M11: 4,580,088 km (0.11 R)
• M12: 4,925,659 km (0.08 R)
• M13: 5,550,231 km (0.098 R)
• M14: 7,414,220 km (0.055 R)
• M15: 11,582,765 km (0.093 R)
• M16: 12,377,578 km (0.065 R)
• M17: 12,840,434 km (0.046 R)
• M18: 13,691,646 km (0.069 R)
• M19: 14,865,391 km (0.082 R)
• M20: 16,968,438 km (0.09 R)
• M21: 17,603,929 km (0.037 R)
• M22: 18,321,251 km (0.064 R)
• M23: 19,057,871 km (0.096 R)
• M24: 20,094,136 km (0.064 R)
• M25: 20,590,352 km (0.103 R)
• M26: 24,056,684 km (0.118 R)
• M27: 26,941,529 km (0.11 R)
• M28: 28,422,399 km (0.049 R)
• M29: 28,778,741 km (0.061 R)
• M30: 29,682,312 km (0.062 R)
• M31: 31,451,008 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.5

Radius: 12.4

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 8.15 AU - 9.29 AU

Year: 9358 Days

Day: 14.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,941,438 km

• M1: 154,535 km (0.083 R)
• M2: 1,358,947 km (0.072 R)
• M3: 2,969,967 km (0.103 R)
• M4: 3,984,090 km (0.072 R)
• M5: 4,789,376 km (0.063 R)
• M6: 5,304,890 km (0.062 R)
• M7: 5,953,247 km (0.089 R)
• M8: 6,688,371 km (0.108 R)
• M9: 8,299,839 km (0.094 R)
• M10: 15,032,940 km (0.094 R)
• M11: 18,111,365 km (0.074 R)
• M12: 21,206,097 km (0.113 R)
• M13: 24,805,571 km (0.099 R)
• M14: 35,923,834 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.2

Radius: 13.4

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 12.44 AU - 12.52 AU

Year: 16023 Days

Day: 10.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 42,941,438 km

• M1: 166,652 km (0.066 R)
• M2: 782,247 km (0.107 R)
• M3: 1,496,428 km (0.097 R)
• M4: 2,274,935 km (0.107 R)
• M5: 2,711,312 km (0.112 R)
• M6: 3,336,631 km (0.086 R)
• M7: 3,965,241 km (0.1 R)
• M8: 5,348,273 km (0.073 R)
• M9: 6,089,232 km (0.101 R)
• M10: 6,634,965 km (0.089 R)
• M11: 12,055,644 km (0.118 R)
• M12: 13,123,623 km (0.093 R)
• M13: 15,990,816 km (0.098 R)
• M14: 16,869,703 km (0.034 R)
• M15: 17,696,531 km (0.101 R)
• M16: 22,934,251 km (0.087 R)
• M17: 30,192,889 km (0.094 R)
• M18: 30,920,234 km (0.111 R)
• M19: 31,783,564 km (0.066 R)
• M20: 32,410,079 km (0.059 R)
• M21: 37,582,875 km (0.118 R)
• M22: 38,566,181 km (0.113 R)
• M23: 42,068,268 km (0.114 R)
• M24: 42,975,878 km (0.089 R)
• M25: 43,434,545 km (0.09 R)
• M26: 48,863,751 km (0.106 R)
• M27: 61,047,450 km (0.09 R)
• M28: 62,210,723 km (0.083 R)
• M29: 70,984,190 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 46.4

Radius: 5.5

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 19.15 AU - 20.91 AU

Year: 32580 Days

Day: 16.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,941,438 km

• M1: 70,760 km (0.113 R)
• M2: 322,683 km (0.098 R)
• M3: 754,422 km (0.117 R)
• M4: 969,843 km (0.037 R)
• M5: 1,421,180 km (0.116 R)
• M6: 1,844,243 km (0.079 R)
• M7: 2,937,653 km (0.108 R)
• M8: 3,199,599 km (0.104 R)
• M9: 4,268,775 km (0.114 R)
• M10: 4,839,491 km (0.119 R)
• M11: 28,495,552 km (0.111 R)
• M12: 30,804,894 km (0.058 R)
• M13: 40,791,899 km (0.103 R)
• M14: 42,556,705 km (0.116 R)

Kuiper Belt

Range: 30.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 445 - 12,359 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit