🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.5

Radius: 12

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.49 AU - 0.61 AU

Year: 277 Days

Day: 6.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 21,063,180 km

• M1: 149,299 km (0.084 R)
• M2: 529,726 km (0.085 R)
• M3: 1,088,773 km (0.09 R)
• M4: 1,510,938 km (0.12 R)
• M5: 2,036,625 km (0.087 R)
• M6: 2,848,792 km (0.062 R)
• M7: 3,320,325 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.3

Radius: 12.2

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.7 AU - 0.78 AU

Year: 432 Days

Day: 13.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,063,180 km

• M1: 151,692 km (0.089 R)
• M2: 594,801 km (0.105 R)
• M3: 996,471 km (0.049 R)
• M4: 1,410,858 km (0.109 R)
• M5: 1,918,742 km (0.079 R)
• M6: 2,360,056 km (0.07 R)
• M7: 2,954,109 km (0.115 R)
• M8: 3,733,664 km (0.103 R)
• M9: 4,165,702 km (0.056 R)
• M10: 5,099,791 km (0.094 R)
• M11: 5,600,196 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999

Radius: 9.2

Gravity: 11.8 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.62 AU - 1.02 AU

Year: 504 Days

Day: 12.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,063,180 km

• M1: 114,442 km (0.056 R)
• M2: 792,869 km (0.108 R)
• M3: 1,117,197 km (0.057 R)
• M4: 1,913,506 km (0.063 R)
• M5: 2,280,171 km (0.093 R)
• M6: 2,628,584 km (0.113 R)
• M7: 2,930,473 km (0.078 R)
• M8: 3,604,710 km (0.068 R)
• M9: 3,964,643 km (0.074 R)
• M10: 4,394,138 km (0.113 R)
• M11: 4,887,512 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.2

Radius: 15

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.77 AU - 1.01 AU

Year: 569 Days

Day: 7 Hours

Environment

Temp: -173 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 21,063,180 km

• M1: 186,549 km (0.108 R)
• M2: 692,339 km (0.067 R)
• M3: 1,646,773 km (0.042 R)
• M4: 2,843,257 km (0.102 R)
• M5: 3,430,578 km (0.103 R)
• M6: 4,110,650 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.5

Radius: 12

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.04 AU - 1.4 AU

Year: 914 Days

Day: 11.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,063,180 km

• M1: 149,299 km (0.076 R)
• M2: 533,316 km (0.116 R)
• M3: 937,380 km (0.11 R)
• M4: 1,435,092 km (0.102 R)
• M5: 2,538,526 km (0.092 R)
• M6: 3,385,400 km (0.114 R)
• M7: 3,924,401 km (0.11 R)
• M8: 4,350,605 km (0.1 R)
• M9: 4,989,388 km (0.053 R)
• M10: 7,308,754 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.6

Radius: 13.1

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.92 AU - 2.24 AU

Year: 2035 Days

Day: 10.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,063,180 km

• M1: 162,912 km (0.081 R)
• M2: 1,073,963 km (0.059 R)
• M3: 1,534,874 km (0.095 R)
• M4: 2,094,221 km (0.095 R)
• M5: 2,853,430 km (0.114 R)
• M6: 3,592,144 km (0.093 R)
• M7: 4,176,922 km (0.077 R)
• M8: 4,683,760 km (0.117 R)
• M9: 5,131,805 km (0.085 R)
• M10: 6,321,856 km (0.052 R)
• M11: 6,750,604 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.2

Radius: 10.7

Gravity: 8.21 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.09 AU - 2.23 AU

Year: 2153 Days

Day: 7.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 21,063,180 km

• M1: 133,142 km (0.111 R)
• M2: 511,326 km (0.07 R)
• M3: 866,920 km (0.117 R)
• M4: 1,251,685 km (0.093 R)
• M5: 1,740,870 km (0.114 R)
• M6: 2,169,618 km (0.103 R)
• M7: 2,743,924 km (0.112 R)
• M8: 3,434,767 km (0.076 R)
• M9: 4,728,190 km (0.096 R)
• M10: 5,161,426 km (0.12 R)
• M11: 6,348,634 km (0.112 R)
• M12: 6,707,221 km (0.076 R)
• M13: 7,525,670 km (0.046 R)
• M14: 8,475,019 km (0.06 R)
• M15: 9,717,578 km (0.057 R)
• M16: 12,820,089 km (0.112 R)
• M17: 13,940,278 km (0.104 R)
• M18: 16,119,171 km (0.06 R)
• M19: 16,788,771 km (0.114 R)
• M20: 17,369,809 km (0.115 R)
• M21: 17,800,651 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.2

Radius: 13.5

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.26 AU - 2.36 AU

Year: 2381 Days

Day: 11 Hours

Environment

Temp: -207 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 21,063,180 km

• M1: 167,849 km (0.066 R)
• M2: 647,160 km (0.088 R)
• M3: 1,134,251 km (0.078 R)
• M4: 1,639,144 km (0.058 R)
• M5: 2,180,539 km (0.041 R)
• M6: 2,663,889 km (0.098 R)
• M7: 3,153,673 km (0.062 R)
• M8: 3,578,082 km (0.065 R)
• M9: 5,948,909 km (0.075 R)
• M10: 6,467,864 km (0.109 R)
• M11: 7,332,240 km (0.105 R)
• M12: 9,601,939 km (0.069 R)
• M13: 10,063,449 km (0.118 R)
• M14: 12,598,235 km (0.081 R)
• M15: 13,152,196 km (0.073 R)
• M16: 17,654,793 km (0.118 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.2

Radius: 9.3

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.3 AU - 3.54 AU

Year: 4290 Days

Day: 10.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 21,063,180 km

• M1: 115,789 km (0.058 R)
• M2: 516,262 km (0.073 R)
• M3: 967,001 km (0.082 R)
• M4: 1,761,066 km (0.115 R)
• M5: 2,339,412 km (0.073 R)
• M6: 2,824,258 km (0.117 R)
• M7: 3,734,412 km (0.097 R)
• M8: 5,773,730 km (0.034 R)
• M9: 7,016,589 km (0.064 R)
• M10: 7,573,243 km (0.108 R)
• M11: 7,927,790 km (0.072 R)
• M12: 8,463,350 km (0.109 R)
• M13: 9,238,865 km (0.118 R)
• M14: 10,332,575 km (0.079 R)
• M15: 10,931,116 km (0.036 R)
• M16: 16,526,825 km (0.112 R)
• M17: 19,122,647 km (0.12 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 23

Radius: 4.8

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 8.02 AU - 8.36 AU

Year: 15897 Days

Day: 17.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,063,180 km

• M1: 60,288 km (0.059 R)
• M2: 2,700,840 km (0.075 R)
• M3: 3,516,148 km (0.119 R)
• M4: 4,596,395 km (0.085 R)
• M5: 7,019,730 km (0.072 R)
• M6: 10,494,141 km (0.108 R)
• M7: 13,004,094 km (0.108 R)
• M8: 15,679,502 km (0.12 R)
• M9: 17,063,283 km (0.049 R)
• M10: 18,584,244 km (0.11 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 447 - 11,593 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit