🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.5 AU - 0.51 AU

Year: 232 Days

Day: 24.4 Hours

Environment

Temp: -119 °C

Axial Tilt: 19.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.8

Radius: 12.5

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.67 AU - 0.69 AU

Year: 368 Days

Day: 8.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,581,930 km

• M1: 155,582 km (0.104 R)
• M2: 556,205 km (0.098 R)
• M3: 955,482 km (0.057 R)
• M4: 1,364,333 km (0.097 R)
• M5: 1,778,270 km (0.12 R)
• M6: 2,626,191 km (0.105 R)
• M7: 3,069,300 km (0.086 R)
• M8: 3,551,753 km (0.084 R)
• M9: 4,084,770 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.6

Radius: 9.7

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.8 AU - 1.1 AU

Year: 607 Days

Day: 5.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 90,581,930 km

• M1: 122,221 km (0.1 R)
• M2: 481,705 km (0.083 R)
• M3: 1,189,303 km (0.063 R)
• M4: 1,559,707 km (0.09 R)
• M5: 2,131,770 km (0.071 R)
• M6: 2,905,789 km (0.062 R)
• M7: 3,308,207 km (0.109 R)
• M8: 3,788,117 km (0.07 R)
• M9: 4,743,748 km (0.114 R)
• M10: 5,355,454 km (0.072 R)
• M11: 6,056,021 km (0.053 R)
• M12: 6,360,752 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568

Radius: 12.9

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.92 AU - 1.02 AU

Year: 627 Days

Day: 8.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 90,581,930 km

• M1: 160,369 km (0.116 R)
• M2: 614,997 km (0.118 R)
• M3: 1,487,601 km (0.118 R)
• M4: 1,980,975 km (0.106 R)
• M5: 2,645,938 km (0.078 R)
• M6: 3,545,470 km (0.106 R)
• M7: 4,059,937 km (0.042 R)
• M8: 4,764,991 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.8

Radius: 11.1

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.98 AU - 1.34 AU

Year: 820 Days

Day: 7.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 90,581,930 km

• M1: 138,079 km (0.073 R)
• M2: 498,759 km (0.077 R)
• M3: 897,288 km (0.061 R)
• M4: 1,293,274 km (0.103 R)
• M5: 2,109,180 km (0.106 R)
• M6: 2,620,655 km (0.093 R)
• M7: 3,200,796 km (0.107 R)
• M8: 3,577,633 km (0.105 R)
• M9: 3,999,349 km (0.117 R)
• M10: 4,405,358 km (0.072 R)
• M11: 4,753,472 km (0.093 R)
• M12: 5,282,899 km (0.101 R)
• M13: 6,650,673 km (0.088 R)
• M14: 7,614,831 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.3

Radius: 9.1

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.18 AU - 1.42 AU

Year: 972 Days

Day: 6.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 90,581,930 km

• M1: 113,096 km (0.114 R)
• M2: 477,816 km (0.084 R)
• M3: 835,654 km (0.097 R)
• M4: 1,307,186 km (0.111 R)
• M5: 1,735,036 km (0.068 R)
• M6: 2,128,628 km (0.071 R)
• M7: 2,700,840 km (0.12 R)
• M8: 3,070,048 km (0.061 R)
• M9: 3,472,765 km (0.118 R)
• M10: 4,037,497 km (0.096 R)
• M11: 4,350,605 km (0.102 R)
• M12: 6,019,070 km (0.089 R)
• M13: 7,020,030 km (0.08 R)
• M14: 7,377,269 km (0.052 R)
• M15: 8,764,790 km (0.104 R)
• M16: 9,635,898 km (0.111 R)

Asteroid Belt

Center: 6.08 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 838.7

Radius: 5.7

Gravity: 25.81 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 9.06 AU - 12.66 AU

Year: 23478 Days

Day: 24.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 90,581,930 km

• M1: 70,909 km (0.115 R)
• M2: 303,684 km (0.039 R)
• M3: 653,294 km (0.116 R)
• M4: 909,106 km (0.084 R)
• M5: 1,468,154 km (0.062 R)
• M6: 3,628,347 km (0.116 R)
• M7: 3,918,417 km (0.067 R)
• M8: 4,436,175 km (0.049 R)
• M9: 5,398,688 km (0.046 R)
• M10: 6,083,547 km (0.089 R)
• M11: 6,354,768 km (0.112 R)
• M12: 7,939,757 km (0.073 R)
• M13: 10,850,334 km (0.057 R)
• M14: 15,047,601 km (0.082 R)
• M15: 17,277,956 km (0.103 R)
• M16: 18,006,198 km (0.064 R)
• M17: 18,944,925 km (0.092 R)
• M18: 25,042,384 km (0.09 R)
• M19: 32,465,730 km (0.117 R)
• M20: 36,599,717 km (0.05 R)
• M21: 37,346,061 km (0.094 R)
• M22: 40,911,128 km (0.085 R)
• M23: 41,877,082 km (0.062 R)
• M24: 52,575,723 km (0.109 R)
• M25: 54,487,135 km (0.102 R)
• M26: 54,680,864 km (0.111 R)
• M27: 57,240,334 km (0.102 R)
• M28: 63,021,843 km (0.116 R)
• M29: 66,937,118 km (0.096 R)
• M30: 71,242,545 km (0.074 R)
• M31: 75,008,223 km (0.106 R)
• M32: 77,183,675 km (0.093 R)
• M33: 83,704,048 km (0.114 R)
• M34: 87,362,464 km (0.058 R)
• M35: 89,231,091 km (0.076 R)
• M36: 90,310,739 km (0.114 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 290 - 17,874 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit