🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.1

Radius: 14

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.46 AU - 0.58 AU

Year: 264 Days

Day: 5.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 24,109,375 km

• M1: 174,730 km (0.035 R)
• M2: 832,213 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.4

Radius: 13.6

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.73 AU - 0.75 AU

Year: 447 Days

Day: 10 Hours

Environment

Temp: -167 °C

Axial Tilt: 54.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 24,109,375 km

• M1: 169,195 km (0.109 R)
• M2: 694,134 km (0.119 R)
• M3: 1,214,884 km (0.025 R)
• M4: 1,840,353 km (0.095 R)
• M5: 2,332,680 km (0.064 R)
• M6: 3,032,798 km (0.113 R)
• M7: 3,612,489 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.7

Radius: 8.8

Gravity: 10.74 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.68 AU - 0.82 AU

Year: 457 Days

Day: 10.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,109,375 km

• M1: 109,506 km (0.093 R)
• M2: 409,150 km (0.111 R)
• M3: 694,733 km (0.11 R)
• M4: 1,065,586 km (0.065 R)
• M5: 1,455,587 km (0.105 R)
• M6: 1,865,186 km (0.053 R)
• M7: 3,030,254 km (0.115 R)
• M8: 3,336,631 km (0.042 R)
• M9: 3,637,771 km (0.119 R)
• M10: 3,916,173 km (0.108 R)
• M11: 4,208,936 km (0.052 R)
• M12: 4,965,453 km (0.029 R)
• M13: 6,210,107 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.8

Radius: 14.2

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.73 AU - 0.95 AU

Year: 541 Days

Day: 6.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 24,109,375 km

• M1: 176,675 km (0.109 R)
• M2: 648,058 km (0.08 R)
• M3: 1,301,801 km (0.1 R)
• M4: 1,880,445 km (0.081 R)
• M5: 2,629,631 km (0.072 R)
• M6: 3,432,523 km (0.1 R)
• M7: 4,742,253 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.8

Radius: 10.8

Gravity: 8.47 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.74 AU - 1.06 AU

Year: 600 Days

Day: 11.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,109,375 km

• M1: 134,339 km (0.101 R)
• M2: 475,572 km (0.118 R)
• M3: 868,715 km (0.114 R)
• M4: 1,249,890 km (0.028 R)
• M5: 1,607,280 km (0.104 R)
• M6: 1,969,905 km (0.116 R)
• M7: 2,335,971 km (0.12 R)
• M8: 2,840,564 km (0.08 R)
• M9: 3,350,693 km (0.115 R)
• M10: 3,733,514 km (0.116 R)
• M11: 4,222,400 km (0.069 R)
• M12: 4,854,900 km (0.107 R)
• M13: 5,776,123 km (0.062 R)
• M14: 6,167,771 km (0.097 R)
• M15: 6,982,780 km (0.034 R)
• M16: 7,427,833 km (0.119 R)
• M17: 8,106,709 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.2

Radius: 11.6

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.14 AU - 1.68 AU

Year: 1177 Days

Day: 11.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,109,375 km

• M1: 145,260 km (0.114 R)
• M2: 647,011 km (0.072 R)
• M3: 1,198,728 km (0.053 R)
• M4: 1,663,528 km (0.091 R)
• M5: 2,192,656 km (0.074 R)
• M6: 2,832,187 km (0.119 R)
• M7: 3,864,113 km (0.094 R)
• M8: 4,876,891 km (0.077 R)
• M9: 5,456,134 km (0.107 R)
• M10: 5,947,862 km (0.107 R)
• M11: 6,849,339 km (0.103 R)
• M12: 7,499,341 km (0.098 R)
• M13: 8,749,979 km (0.051 R)
• M14: 9,186,506 km (0.06 R)
• M15: 9,729,546 km (0.101 R)
• M16: 10,616,662 km (0.109 R)
• M17: 11,046,606 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.2

Radius: 9.3

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.16 AU - 1.68 AU

Year: 1189 Days

Day: 9.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,109,375 km

• M1: 147,204 km (0.082 R)
• M2: 441,613 km (0.089 R)
• M3: 779,405 km (0.115 R)
• M4: 2,868,838 km (0.107 R)
• M5: 5,978,978 km (0.096 R)
• M6: 7,197,453 km (0.026 R)
• M7: 7,718,951 km (0.071 R)
• M8: 8,013,808 km (0.097 R)
• M9: 8,944,157 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.9

Radius: 8.7

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.15 AU - 1.85 AU

Year: 1291 Days

Day: 10.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,109,375 km

• M1: 108,608 km (0.106 R)
• M2: 416,780 km (0.09 R)
• M3: 758,012 km (0.101 R)
• M4: 1,190,500 km (0.09 R)
• M5: 1,781,711 km (0.104 R)
• M6: 2,073,576 km (0.055 R)
• M7: 2,426,777 km (0.11 R)
• M8: 3,101,313 km (0.076 R)
• M9: 3,734,561 km (0.118 R)
• M10: 4,436,474 km (0.048 R)
• M11: 5,190,448 km (0.069 R)
• M12: 5,954,145 km (0.056 R)
• M13: 6,363,145 km (0.059 R)

Planet 9 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.4

Radius: 11.9

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.52 AU - 2.44 AU

Year: 1958 Days

Day: 12.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,109,375 km

• M1: 148,850 km (0.088 R)
• M2: 760,256 km (0.105 R)
• M3: 1,236,576 km (0.103 R)
• M4: 1,755,232 km (0.107 R)
• M5: 2,197,892 km (0.041 R)
• M6: 2,806,905 km (0.054 R)
• M7: 3,312,994 km (0.096 R)
• M8: 4,830,964 km (0.055 R)
• M9: 7,501,286 km (0.071 R)
• M10: 9,825,139 km (0.083 R)
• M11: 10,729,758 km (0.115 R)
• M12: 12,117,428 km (0.054 R)

Planet 10 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.7

Radius: 11

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.33 AU - 3.81 AU

Year: 3781 Days

Day: 10 Hours

Environment

Temp: -221 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 24,109,375 km

• M1: 140,323 km (0.025 R)
• M2: 511,326 km (0.064 R)
• M3: 982,708 km (0.061 R)
• M4: 1,912,908 km (0.088 R)
• M5: 2,394,912 km (0.046 R)
• M6: 2,922,694 km (0.044 R)
• M7: 3,430,279 km (0.049 R)
• M8: 4,017,451 km (0.11 R)
• M9: 4,553,011 km (0.094 R)
• M10: 5,794,973 km (0.03 R)
• M11: 6,842,607 km (0.065 R)
• M12: 7,218,546 km (0.104 R)
• M13: 8,184,500 km (0.103 R)
• M14: 9,500,961 km (0.094 R)
• M15: 12,046,219 km (0.106 R)
• M16: 12,782,689 km (0.106 R)
• M17: 13,209,941 km (0.097 R)
• M18: 14,043,201 km (0.055 R)
• M19: 15,977,352 km (0.098 R)
• M20: 16,697,217 km (0.086 R)
• M21: 18,441,079 km (0.088 R)
• M22: 20,496,255 km (0.05 R)
• M23: 23,894,221 km (0.119 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 207 - 10,569 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit