🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.42 AU - 0.6 AU

Year: 235 Days

Day: 33.5 Hours

Environment

Temp: -127 °C

Axial Tilt: 16 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.6

Radius: 10.5

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.59 AU - 0.87 AU

Year: 403 Days

Day: 14.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,497,420 km

• M1: 130,749 km (0.069 R)
• M2: 464,651 km (0.063 R)
• M3: 839,543 km (0.109 R)
• M4: 1,859,651 km (0.077 R)
• M5: 2,366,638 km (0.09 R)
• M6: 3,484,733 km (0.072 R)
• M7: 4,027,324 km (0.077 R)
• M8: 4,460,410 km (0.099 R)
• M9: 5,012,127 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.1

Radius: 10.6

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.41 AU - 1.79 AU

Year: 1307 Days

Day: 5.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,497,420 km

• M1: 131,796 km (0.09 R)
• M2: 476,469 km (0.082 R)
• M3: 862,881 km (0.098 R)
• M4: 1,416,841 km (0.053 R)
• M5: 1,832,724 km (0.075 R)
• M6: 2,398,054 km (0.059 R)
• M7: 2,915,513 km (0.053 R)
• M8: 3,521,085 km (0.096 R)
• M9: 4,107,658 km (0.115 R)
• M10: 4,558,098 km (0.092 R)
• M11: 4,945,706 km (0.074 R)
• M12: 5,415,742 km (0.058 R)
• M13: 5,766,400 km (0.118 R)
• M14: 7,424,243 km (0.1 R)
• M15: 7,858,227 km (0.08 R)
• M16: 8,861,280 km (0.09 R)
• M17: 10,444,026 km (0.069 R)
• M18: 10,826,996 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.4

Radius: 14.6

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.08 AU - 2.78 AU

Year: 2446 Days

Day: 10.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,497,420 km

• M1: 185,501 km (0.059 R)
• M2: 906,713 km (0.108 R)
• M3: 1,538,614 km (0.097 R)
• M4: 2,325,648 km (0.114 R)
• M5: 2,928,229 km (0.079 R)
• M6: 3,386,896 km (0.1 R)
• M7: 4,927,754 km (0.095 R)
• M8: 5,533,924 km (0.072 R)
• M9: 6,163,582 km (0.076 R)
• M10: 7,477,201 km (0.058 R)
• M11: 10,353,818 km (0.118 R)
• M12: 11,312,890 km (0.119 R)
• M13: 12,080,776 km (0.115 R)
• M14: 13,541,450 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.8

Radius: 14.5

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.36 AU - 2.54 AU

Year: 2476 Days

Day: 13.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,497,420 km

• M1: 180,565 km (0.119 R)
• M2: 652,396 km (0.081 R)
• M3: 1,647,222 km (0.101 R)
• M4: 2,884,247 km (0.07 R)
• M5: 3,339,473 km (0.112 R)
• M6: 3,861,869 km (0.091 R)
• M7: 4,356,140 km (0.11 R)
• M8: 5,497,572 km (0.103 R)
• M9: 6,310,487 km (0.061 R)
• M10: 7,378,317 km (0.08 R)
• M11: 8,828,818 km (0.106 R)
• M12: 9,375,598 km (0.079 R)
• M13: 10,765,512 km (0.026 R)
• M14: 12,841,780 km (0.087 R)
• M15: 14,789,993 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.9

Radius: 13.1

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.81 AU - 3.51 AU

Year: 3627 Days

Day: 6.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,497,420 km

• M1: 162,912 km (0.095 R)
• M2: 789,877 km (0.058 R)
• M3: 1,533,977 km (0.042 R)
• M4: 1,970,802 km (0.089 R)
• M5: 3,952,974 km (0.103 R)
• M6: 4,517,856 km (0.04 R)
• M7: 6,445,424 km (0.076 R)
• M8: 7,257,292 km (0.072 R)
• M9: 8,542,637 km (0.093 R)
• M10: 8,993,076 km (0.081 R)
• M11: 9,586,381 km (0.096 R)
• M12: 10,007,350 km (0.097 R)
• M13: 10,816,973 km (0.092 R)
• M14: 11,560,923 km (0.091 R)
• M15: 12,112,940 km (0.09 R)
• M16: 12,798,547 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 188.6

Radius: 3.1

Gravity: 19.63 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 7.67 AU - 8.07 AU

Year: 14255 Days

Day: 23.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,497,420 km

• M1: 38,596 km (0.074 R)
• M2: 158,873 km (0.118 R)
• M3: 268,678 km (0.115 R)
• M4: 482,004 km (0.092 R)
• M5: 895,493 km (0.086 R)
• M6: 1,082,789 km (0.108 R)
• M7: 2,136,108 km (0.109 R)
• M8: 2,679,298 km (0.082 R)
• M9: 2,798,079 km (0.092 R)
• M10: 3,219,795 km (0.093 R)
• M11: 5,715,835 km (0.079 R)
• M12: 6,857,417 km (0.059 R)
• M13: 9,672,101 km (0.106 R)
• M14: 12,445,645 km (0.056 R)
• M15: 20,546,071 km (0.094 R)
• M16: 21,954,535 km (0.099 R)
• M17: 22,114,904 km (0.102 R)
• M18: 23,259,327 km (0.105 R)
• M19: 24,788,068 km (0.06 R)
• M20: 25,049,116 km (0.069 R)
• M21: 27,020,367 km (0.037 R)
• M22: 31,471,353 km (0.087 R)
• M23: 34,514,622 km (0.067 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 12,479 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit