🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.47 AU - 0.61 AU

Year: 252 Days

Day: 30.6 Hours

Environment

Temp: -120 °C

Axial Tilt: 45.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,166,366 km

• M1: 20,345 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.7

Radius: 9.2

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.17 AU - 1.35 AU

Year: 899 Days

Day: 14.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 54,166,366 km

• M1: 114,592 km (0.079 R)
• M2: 447,447 km (0.114 R)
• M3: 884,572 km (0.116 R)
• M4: 1,334,862 km (0.072 R)
• M5: 2,427,525 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.7

Radius: 11.8

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.01 AU - 2.21 AU

Year: 1949 Days

Day: 7.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,166,366 km

• M1: 147,204 km (0.108 R)
• M2: 517,908 km (0.104 R)
• M3: 1,548,188 km (0.088 R)
• M4: 1,982,022 km (0.082 R)
• M5: 2,416,305 km (0.112 R)
• M6: 2,839,068 km (0.115 R)
• M7: 4,684,209 km (0.073 R)
• M8: 5,487,100 km (0.12 R)
• M9: 6,724,873 km (0.06 R)
• M10: 7,628,444 km (0.114 R)
• M11: 8,357,883 km (0.062 R)
• M12: 10,864,695 km (0.068 R)
• M13: 12,147,945 km (0.099 R)
• M14: 13,185,556 km (0.098 R)
• M15: 14,146,723 km (0.107 R)
• M16: 14,553,180 km (0.116 R)
• M17: 15,153,965 km (0.107 R)
• M18: 15,627,442 km (0.065 R)
• M19: 16,208,480 km (0.11 R)
• M20: 16,653,684 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.1

Radius: 12.6

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.84 AU - 2.56 AU

Year: 2075 Days

Day: 9.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,166,366 km

• M1: 156,629 km (0.084 R)
• M2: 606,470 km (0.107 R)
• M3: 1,203,964 km (0.1 R)
• M4: 3,591,396 km (0.081 R)
• M5: 4,082,077 km (0.106 R)
• M6: 5,574,615 km (0.116 R)
• M7: 5,985,860 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.5

Radius: 11.6

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.86 AU - 4.6 AU

Year: 4580 Days

Day: 11.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,166,366 km

• M1: 178,470 km (0.085 R)
• M2: 1,022,801 km (0.101 R)
• M3: 1,716,636 km (0.117 R)
• M4: 5,080,942 km (0.046 R)
• M5: 7,610,492 km (0.116 R)
• M6: 8,347,412 km (0.062 R)
• M7: 10,657,652 km (0.107 R)
• M8: 11,779,037 km (0.065 R)
• M9: 12,265,529 km (0.037 R)
• M10: 16,754,513 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.6

Radius: 12.6

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 4.18 AU - 5.54 AU

Year: 6812 Days

Day: 12.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,166,366 km

• M1: 157,527 km (0.092 R)
• M2: 593,006 km (0.113 R)
• M3: 1,087,876 km (0.12 R)
• M4: 1,755,232 km (0.064 R)
• M5: 2,176,499 km (0.093 R)
• M6: 4,543,138 km (0.094 R)
• M7: 5,939,933 km (0.026 R)
• M8: 6,973,505 km (0.112 R)
• M9: 7,787,766 km (0.099 R)
• M10: 8,823,582 km (0.076 R)
• M11: 9,905,773 km (0.096 R)
• M12: 12,332,998 km (0.097 R)
• M13: 12,790,319 km (0.111 R)
• M14: 14,620,649 km (0.094 R)
• M15: 15,075,576 km (0.117 R)
• M16: 18,006,797 km (0.087 R)
• M17: 18,995,788 km (0.081 R)
• M18: 20,582,124 km (0.05 R)
• M19: 24,095,729 km (0.085 R)
• M20: 26,874,210 km (0.09 R)
• M21: 27,471,704 km (0.097 R)
• M22: 28,959,754 km (0.083 R)
• M23: 29,768,929 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 535.6

Radius: 4.3

Gravity: 28.97 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 7.59 AU - 7.81 AU

Year: 13585 Days

Day: 20.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,166,366 km

• M1: 54,005 km (0.079 R)
• M2: 473,477 km (0.083 R)
• M3: 1,071,869 km (0.058 R)
• M4: 1,558,810 km (0.086 R)
• M5: 1,860,100 km (0.1 R)
• M6: 2,124,589 km (0.093 R)
• M7: 2,413,612 km (0.114 R)
• M8: 2,794,488 km (0.025 R)
• M9: 3,542,777 km (0.093 R)
• M10: 7,147,487 km (0.107 R)
• M11: 7,487,972 km (0.082 R)
• M12: 7,839,078 km (0.117 R)
• M13: 10,074,818 km (0.044 R)
• M14: 11,054,535 km (0.115 R)
• M15: 16,993,271 km (0.098 R)
• M16: 17,218,865 km (0.107 R)
• M17: 18,614,164 km (0.043 R)
• M18: 19,014,787 km (0.062 R)
• M19: 20,166,990 km (0.065 R)
• M20: 20,674,725 km (0.086 R)
• M21: 25,242,247 km (0.062 R)
• M22: 32,818,631 km (0.074 R)
• M23: 33,756,909 km (0.079 R)
• M24: 36,679,004 km (0.116 R)
• M25: 43,861,049 km (0.092 R)
• M26: 50,984,151 km (0.063 R)
• M27: 52,083,247 km (0.094 R)
• M28: 52,878,060 km (0.092 R)
• M29: 53,519,536 km (0.043 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: 339 - 13,507 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit