🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.47 AU - 0.59 AU

Year: 253 Days

Day: 30.3 Hours

Environment

Temp: -122 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 29,656,958 km

• M1: 89,011 km (0.043 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.41 AU - 0.67 AU

Year: 260 Days

Day: 36.7 Hours

Environment

Temp: -125 °C

Axial Tilt: 25.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.5

Radius: 14.8

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.04 AU - 1.16 AU

Year: 757 Days

Day: 7.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,656,958 km

• M1: 184,155 km (0.101 R)
• M2: 800,797 km (0.105 R)
• M3: 1,490,892 km (0.081 R)
• M4: 1,957,488 km (0.119 R)
• M5: 2,881,405 km (0.076 R)
• M6: 3,594,538 km (0.115 R)
• M7: 4,786,384 km (0.104 R)
• M8: 5,590,772 km (0.113 R)
• M9: 6,266,655 km (0.114 R)
• M10: 6,767,808 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.1

Radius: 10.3

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.3 AU - 1.58 AU

Year: 1134 Days

Day: 7.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,656,958 km

• M1: 128,056 km (0.118 R)
• M2: 463,604 km (0.08 R)
• M3: 793,318 km (0.081 R)
• M4: 1,127,818 km (0.09 R)
• M5: 1,516,922 km (0.102 R)
• M6: 2,088,536 km (0.096 R)
• M7: 2,442,933 km (0.043 R)
• M8: 3,600,970 km (0.076 R)
• M9: 4,216,266 km (0.075 R)
• M10: 4,567,522 km (0.099 R)
• M11: 5,329,125 km (0.074 R)
• M12: 5,783,005 km (0.108 R)
• M13: 6,397,703 km (0.082 R)
• M14: 7,552,598 km (0.093 R)
• M15: 8,046,271 km (0.083 R)
• M16: 8,451,083 km (0.115 R)
• M17: 10,333,473 km (0.054 R)
• M18: 10,877,261 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.7

Radius: 14.4

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.58 AU - 2.58 AU

Year: 1968 Days

Day: 6.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 29,656,958 km

• M1: 179,218 km (0.082 R)
• M2: 682,615 km (0.056 R)
• M3: 1,170,304 km (0.113 R)
• M4: 1,634,058 km (0.085 R)
• M5: 2,274,785 km (0.071 R)
• M6: 3,032,798 km (0.099 R)
• M7: 3,916,472 km (0.065 R)
• M8: 4,596,993 km (0.067 R)
• M9: 5,355,305 km (0.098 R)
• M10: 6,785,460 km (0.102 R)
• M11: 7,619,917 km (0.044 R)
• M12: 9,116,793 km (0.081 R)
• M13: 11,031,347 km (0.062 R)
• M14: 11,579,025 km (0.097 R)
• M15: 14,226,608 km (0.069 R)
• M16: 15,065,553 km (0.097 R)
• M17: 15,594,232 km (0.077 R)
• M18: 16,335,190 km (0.083 R)
• M19: 16,842,177 km (0.109 R)
• M20: 17,517,013 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.7

Radius: 13.5

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.44 AU - 4 AU

Year: 3790 Days

Day: 5.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 76.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 29,656,958 km

• M1: 167,849 km (0.065 R)
• M2: 619,485 km (0.101 R)
• M3: 1,114,355 km (0.11 R)
• M4: 2,173,358 km (0.099 R)
• M5: 2,959,495 km (0.113 R)
• M6: 3,864,562 km (0.077 R)
• M7: 4,896,787 km (0.071 R)
• M8: 5,627,124 km (0.099 R)
• M9: 6,519,475 km (0.089 R)
• M10: 8,548,770 km (0.118 R)
• M11: 9,068,623 km (0.105 R)
• M12: 9,807,786 km (0.097 R)
• M13: 10,336,465 km (0.112 R)
• M14: 10,884,143 km (0.11 R)
• M15: 11,946,138 km (0.11 R)
• M16: 14,122,189 km (0.119 R)
• M17: 15,062,710 km (0.083 R)
• M18: 17,478,267 km (0.078 R)
• M19: 19,246,664 km (0.078 R)
• M20: 21,333,255 km (0.077 R)
• M21: 23,639,007 km (0.08 R)
• M22: 24,814,846 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.4

Radius: 14

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.08 AU - 4.46 AU

Year: 4802 Days

Day: 12.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 29,656,958 km

• M1: 187,745 km (0.1 R)
• M2: 855,700 km (0.111 R)
• M3: 1,437,785 km (0.113 R)
• M4: 2,033,783 km (0.045 R)
• M5: 2,646,087 km (0.101 R)
• M6: 3,495,354 km (0.087 R)
• M7: 4,027,474 km (0.067 R)
• M8: 4,878,387 km (0.078 R)
• M9: 5,572,670 km (0.07 R)
• M10: 6,907,233 km (0.072 R)
• M11: 8,552,959 km (0.057 R)
• M12: 9,105,723 km (0.102 R)
• M13: 10,201,378 km (0.097 R)
• M14: 11,036,583 km (0.093 R)
• M15: 11,647,989 km (0.117 R)
• M16: 13,179,124 km (0.073 R)
• M17: 13,817,757 km (0.054 R)
• M18: 15,694,761 km (0.069 R)
• M19: 17,736,473 km (0.089 R)
• M20: 20,858,431 km (0.089 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.1

Radius: 13.4

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.96 AU - 4.62 AU

Year: 5829 Days

Day: 14.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 29,656,958 km

• M1: 166,652 km (0.096 R)
• M2: 651,798 km (0.116 R)
• M3: 1,207,853 km (0.114 R)
• M4: 1,749,547 km (0.107 R)
• M5: 2,301,414 km (0.118 R)
• M6: 2,871,082 km (0.107 R)
• M7: 4,097,037 km (0.078 R)
• M8: 4,638,132 km (0.075 R)
• M9: 5,374,154 km (0.077 R)
• M10: 5,896,550 km (0.074 R)
• M11: 6,691,962 km (0.072 R)
• M12: 9,733,735 km (0.106 R)
• M13: 12,091,846 km (0.114 R)
• M14: 12,830,411 km (0.091 R)
• M15: 16,404,753 km (0.086 R)
• M16: 18,385,578 km (0.109 R)
• M17: 21,649,205 km (0.03 R)
• M18: 24,192,818 km (0.071 R)
• M19: 27,825,653 km (0.069 R)
• M20: 28,741,341 km (0.102 R)
• M21: 31,906,533 km (0.052 R)
• M22: 32,505,972 km (0.115 R)
• M23: 33,727,438 km (0.105 R)
• M24: 34,979,423 km (0.104 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.1

Radius: 9.9

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 5.39 AU - 5.43 AU

Year: 8255 Days

Day: 7.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,656,958 km

• M1: 123,119 km (0.104 R)
• M2: 455,077 km (0.063 R)
• M3: 821,292 km (0.044 R)
• M4: 1,422,227 km (0.029 R)
• M5: 2,099,606 km (0.114 R)
• M6: 2,504,119 km (0.114 R)
• M7: 3,209,024 km (0.083 R)
• M8: 7,472,862 km (0.066 R)
• M9: 10,166,671 km (0.071 R)
• M10: 11,612,236 km (0.104 R)
• M11: 12,934,830 km (0.118 R)
• M12: 15,529,755 km (0.059 R)
• M13: 16,706,791 km (0.1 R)
• M14: 24,731,819 km (0.057 R)
• M15: 25,047,022 km (0.067 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 13,464 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit