🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.6 AU - 0.8 AU

Year: 249 Days

Day: 28.9 Hours

Environment

Temp: 17 °C

Axial Tilt: 22.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.16 AU - 1.56 AU

Year: 673 Days

Day: 46.5 Hours

Environment

Temp: -83 °C

Axial Tilt: 47.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.4 AU - 2.28 AU

Year: 1060 Days

Day: 12.7 Hours

Environment

Temp: -113 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.2

Radius: 13.7

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.95 AU - 2.97 AU

Year: 2162 Days

Day: 6.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,904,575 km

• M1: 170,392 km (0.103 R)
• M2: 746,045 km (0.117 R)
• M3: 1,197,381 km (0.088 R)
• M4: 1,749,846 km (0.089 R)
• M5: 2,614,672 km (0.04 R)
• M6: 3,079,622 km (0.11 R)
• M7: 4,260,847 km (0.118 R)
• M8: 4,955,729 km (0.058 R)
• M9: 5,775,824 km (0.04 R)
• M10: 6,435,252 km (0.108 R)
• M11: 6,883,148 km (0.083 R)
• M12: 7,382,057 km (0.071 R)
• M13: 9,445,610 km (0.082 R)
• M14: 10,324,946 km (0.068 R)
• M15: 15,215,749 km (0.061 R)
• M16: 19,146,134 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.8

Radius: 10.8

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.45 AU - 3.57 AU

Year: 2792 Days

Day: 12.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,904,575 km

• M1: 134,339 km (0.117 R)
• M2: 564,134 km (0.106 R)
• M3: 1,280,707 km (0.116 R)
• M4: 1,872,217 km (0.088 R)
• M5: 3,230,117 km (0.076 R)
• M6: 3,677,265 km (0.098 R)
• M7: 4,165,403 km (0.051 R)
• M8: 4,988,042 km (0.119 R)
• M9: 6,191,557 km (0.103 R)
• M10: 6,769,453 km (0.098 R)
• M11: 9,079,843 km (0.065 R)
• M12: 9,534,620 km (0.108 R)
• M13: 10,124,335 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.8

Radius: 9.8

Gravity: 9.1 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.56 AU - 4.66 AU

Year: 4203 Days

Day: 6.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 73,904,575 km

• M1: 121,922 km (0.042 R)
• M2: 431,141 km (0.085 R)
• M3: 906,114 km (0.042 R)
• M4: 1,273,527 km (0.101 R)
• M5: 1,605,036 km (0.086 R)
• M6: 1,939,237 km (0.034 R)
• M7: 2,716,099 km (0.094 R)
• M8: 3,234,755 km (0.098 R)
• M9: 3,623,410 km (0.095 R)
• M10: 4,619,582 km (0.074 R)
• M11: 5,360,541 km (0.055 R)
• M12: 5,730,496 km (0.098 R)
• M13: 6,209,209 km (0.098 R)
• M14: 7,281,228 km (0.089 R)
• M15: 8,209,333 km (0.081 R)
• M16: 9,498,418 km (0.041 R)
• M17: 10,386,281 km (0.092 R)
• M18: 10,827,894 km (0.045 R)
• M19: 12,326,266 km (0.09 R)
• M20: 15,104,747 km (0.038 R)
• M21: 18,596,212 km (0.069 R)
• M22: 20,597,832 km (0.103 R)
• M23: 21,650,552 km (0.104 R)
• M24: 23,711,263 km (0.113 R)
• M25: 24,092,587 km (0.062 R)
• M26: 26,303,943 km (0.111 R)
• M27: 29,166,947 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.4

Radius: 14.7

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.65 AU - 5.79 AU

Year: 5064 Days

Day: 6.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,904,575 km

• M1: 183,257 km (0.107 R)
• M2: 726,447 km (0.059 R)
• M3: 1,849,628 km (0.095 R)
• M4: 3,828,808 km (0.046 R)
• M5: 5,093,957 km (0.114 R)
• M6: 5,854,213 km (0.101 R)
• M7: 6,790,547 km (0.065 R)
• M8: 7,348,696 km (0.066 R)
• M9: 8,282,187 km (0.112 R)
• M10: 8,798,300 km (0.105 R)
• M11: 12,006,576 km (0.081 R)
• M12: 12,617,084 km (0.087 R)
• M13: 13,680,875 km (0.053 R)
• M14: 14,403,732 km (0.11 R)
• M15: 15,625,348 km (0.118 R)
• M16: 17,944,414 km (0.108 R)
• M17: 18,743,566 km (0.067 R)
• M18: 20,991,124 km (0.09 R)
• M19: 23,413,114 km (0.076 R)
• M20: 23,966,776 km (0.099 R)
• M21: 32,081,114 km (0.054 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.5

Radius: 8.6

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 8.92 AU - 9.54 AU

Year: 11906 Days

Day: 9.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 73,904,575 km

• M1: 108,159 km (0.053 R)
• M2: 440,267 km (0.098 R)
• M3: 739,612 km (0.027 R)
• M4: 1,122,582 km (0.112 R)
• M5: 2,064,600 km (0.116 R)
• M6: 3,266,769 km (0.06 R)
• M7: 4,605,969 km (0.076 R)
• M8: 5,298,607 km (0.118 R)
• M9: 6,656,208 km (0.081 R)
• M10: 7,049,052 km (0.089 R)
• M11: 7,499,042 km (0.101 R)
• M12: 8,547,274 km (0.115 R)
• M13: 9,011,776 km (0.099 R)
• M14: 10,718,089 km (0.096 R)
• M15: 11,988,025 km (0.092 R)
• M16: 12,452,377 km (0.073 R)
• M17: 14,365,884 km (0.084 R)
• M18: 15,426,532 km (0.077 R)
• M19: 17,260,303 km (0.113 R)
• M20: 18,381,838 km (0.093 R)
• M21: 19,630,981 km (0.062 R)
• M22: 22,384,629 km (0.103 R)
• M23: 24,727,780 km (0.064 R)
• M24: 30,534,870 km (0.074 R)
• M25: 35,266,052 km (0.115 R)
• M26: 35,859,806 km (0.087 R)
• M27: 36,702,491 km (0.073 R)
• M28: 37,067,660 km (0.104 R)
• M29: 39,948,017 km (0.097 R)
• M30: 41,245,779 km (0.063 R)
• M31: 45,586,959 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 999.3

Radius: 3.5

Gravity: 81.58 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 10.35 AU - 11.99 AU

Year: 15851 Days

Day: 16.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,904,575 km

• M1: 43,533 km (0.076 R)
• M2: 689,197 km (0.111 R)
• M3: 1,116,449 km (0.092 R)
• M4: 1,311,973 km (0.105 R)
• M5: 2,159,894 km (0.079 R)
• M6: 3,375,975 km (0.103 R)
• M7: 6,909,626 km (0.091 R)
• M8: 8,212,026 km (0.082 R)
• M9: 10,015,129 km (0.118 R)
• M10: 17,646,714 km (0.061 R)
• M11: 23,267,854 km (0.111 R)
• M12: 26,815,718 km (0.103 R)
• M13: 28,541,179 km (0.116 R)
• M14: 29,852,554 km (0.094 R)
• M15: 30,955,091 km (0.065 R)
• M16: 33,110,946 km (0.085 R)
• M17: 38,717,724 km (0.062 R)
• M18: 55,519,809 km (0.066 R)
• M19: 57,370,933 km (0.11 R)
• M20: 63,170,394 km (0.107 R)
• M21: 67,872,404 km (0.12 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 244 - 17,112 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit