🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.6

Radius: 9.8

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.54 AU - 0.74 AU

Year: 341 Days

Day: 10.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,479,929 km

• M1: 121,922 km (0.107 R)
• M2: 458,069 km (0.097 R)
• M3: 781,350 km (0.099 R)
• M4: 1,124,527 km (0.081 R)
• M5: 1,557,314 km (0.112 R)
• M6: 1,984,715 km (0.035 R)
• M7: 2,385,637 km (0.085 R)
• M8: 2,947,676 km (0.113 R)
• M9: 3,308,656 km (0.103 R)
• M10: 3,984,539 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.2

Radius: 9.1

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.72 AU - 0.76 AU

Year: 424 Days

Day: 14.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,479,929 km

• M1: 113,246 km (0.101 R)
• M2: 493,224 km (0.079 R)
• M3: 936,931 km (0.091 R)
• M4: 1,428,360 km (0.103 R)
• M5: 2,107,834 km (0.082 R)
• M6: 2,397,904 km (0.087 R)
• M7: 2,849,391 km (0.112 R)
• M8: 3,184,639 km (0.104 R)
• M9: 3,534,998 km (0.04 R)
• M10: 3,850,500 km (0.115 R)
• M11: 4,592,505 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.8

Radius: 8.4

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.12 AU - 1.34 AU

Year: 910 Days

Day: 8 Hours

Environment

Temp: -174 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,479,929 km

• M1: 105,018 km (0.084 R)
• M2: 401,072 km (0.064 R)
• M3: 673,041 km (0.054 R)
• M4: 976,276 km (0.099 R)
• M5: 1,452,296 km (0.115 R)
• M6: 1,962,574 km (0.109 R)
• M7: 2,224,371 km (0.062 R)
• M8: 2,621,553 km (0.038 R)
• M9: 3,027,711 km (0.042 R)
• M10: 3,643,606 km (0.084 R)
• M11: 4,057,842 km (0.114 R)
• M12: 4,602,827 km (0.119 R)
• M13: 5,510,737 km (0.081 R)
• M14: 5,917,493 km (0.072 R)
• M15: 6,490,902 km (0.026 R)
• M16: 6,966,922 km (0.113 R)
• M17: 7,259,087 km (0.111 R)
• M18: 7,677,213 km (0.067 R)
• M19: 8,309,264 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.2

Radius: 11.8

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.32 AU - 2.02 AU

Year: 1439 Days

Day: 7.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,479,929 km

• M1: 146,756 km (0.115 R)
• M2: 641,326 km (0.112 R)
• M3: 1,021,454 km (0.068 R)
• M4: 2,695,155 km (0.112 R)
• M5: 3,256,147 km (0.09 R)
• M6: 3,894,182 km (0.068 R)
• M7: 5,147,962 km (0.106 R)
• M8: 5,826,239 km (0.056 R)
• M9: 7,144,196 km (0.096 R)
• M10: 8,329,310 km (0.039 R)
• M11: 9,094,952 km (0.082 R)
• M12: 10,392,564 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142

Radius: 12.6

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.54 AU - 2.38 AU

Year: 1830 Days

Day: 5.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,479,929 km

• M1: 157,377 km (0.093 R)
• M2: 780,602 km (0.078 R)
• M3: 1,718,132 km (0.075 R)
• M4: 2,847,446 km (0.076 R)
• M5: 3,278,886 km (0.101 R)
• M6: 3,710,476 km (0.067 R)
• M7: 4,985,798 km (0.031 R)
• M8: 5,617,400 km (0.103 R)
• M9: 7,177,407 km (0.083 R)
• M10: 8,563,281 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.4

Radius: 13.9

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.17 AU - 3.47 AU

Year: 3158 Days

Day: 14.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 68,479,929 km

• M1: 173,085 km (0.102 R)
• M2: 1,048,232 km (0.101 R)
• M3: 2,598,216 km (0.107 R)
• M4: 4,053,354 km (0.065 R)
• M5: 5,650,312 km (0.078 R)
• M6: 9,324,136 km (0.03 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83

Radius: 13.9

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.65 AU - 3.31 AU

Year: 3430 Days

Day: 14.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 68,479,929 km

• M1: 181,163 km (0.028 R)
• M2: 738,864 km (0.098 R)
• M3: 2,183,680 km (0.076 R)
• M4: 5,159,780 km (0.087 R)
• M5: 7,204,933 km (0.067 R)
• M6: 7,791,356 km (0.099 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.3

Radius: 10

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.55 AU - 3.81 AU

Year: 3782 Days

Day: 7 Hours

Environment

Temp: -223 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 68,479,929 km

• M1: 124,465 km (0.055 R)
• M2: 438,172 km (0.032 R)
• M3: 758,910 km (0.117 R)
• M4: 1,358,349 km (0.073 R)
• M5: 1,976,188 km (0.093 R)
• M6: 2,789,551 km (0.088 R)
• M7: 5,013,922 km (0.115 R)
• M8: 5,391,956 km (0.064 R)
• M9: 6,174,951 km (0.092 R)
• M10: 6,867,739 km (0.035 R)
• M11: 8,520,496 km (0.04 R)
• M12: 9,378,889 km (0.088 R)
• M13: 11,313,189 km (0.116 R)
• M14: 12,252,963 km (0.096 R)
• M15: 12,991,378 km (0.058 R)
• M16: 15,497,741 km (0.119 R)
• M17: 15,954,314 km (0.055 R)
• M18: 17,074,802 km (0.063 R)
• M19: 17,439,372 km (0.065 R)
• M20: 17,871,111 km (0.096 R)
• M21: 18,500,469 km (0.083 R)
• M22: 19,604,053 km (0.107 R)
• M23: 21,799,551 km (0.074 R)
• M24: 22,445,365 km (0.059 R)
• M25: 23,400,847 km (0.081 R)
• M26: 25,157,425 km (0.117 R)
• M27: 25,629,706 km (0.096 R)
• M28: 27,000,022 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 546.5

Radius: 4.2

Gravity: 30.98 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 9.05 AU - 9.57 AU

Year: 18943 Days

Day: 23.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 68,479,929 km

• M1: 70,012 km (0.11 R)
• M2: 215,870 km (0.102 R)
• M3: 392,246 km (0.113 R)
• M4: 612,753 km (0.095 R)
• M5: 1,233,883 km (0.028 R)
• M6: 2,796,732 km (0.067 R)
• M7: 3,784,078 km (0.062 R)
• M8: 4,055,598 km (0.071 R)
• M9: 4,437,522 km (0.043 R)
• M10: 5,019,308 km (0.11 R)
• M11: 6,249,601 km (0.045 R)
• M12: 7,294,991 km (0.113 R)
• M13: 8,053,452 km (0.117 R)
• M14: 9,670,156 km (0.118 R)
• M15: 10,466,615 km (0.092 R)
• M16: 11,868,197 km (0.109 R)
• M17: 12,253,562 km (0.086 R)
• M18: 12,647,154 km (0.048 R)
• M19: 13,048,973 km (0.092 R)
• M20: 16,418,217 km (0.117 R)
• M21: 18,902,289 km (0.119 R)
• M22: 20,052,398 km (0.104 R)
• M23: 20,782,884 km (0.117 R)
• M24: 21,911,750 km (0.087 R)
• M25: 23,379,454 km (0.108 R)
• M26: 26,076,554 km (0.1 R)
• M27: 30,261,704 km (0.107 R)
• M28: 31,709,513 km (0.05 R)
• M29: 33,966,945 km (0.111 R)
• M30: 35,397,998 km (0.072 R)
• M31: 41,966,092 km (0.027 R)
• M32: 43,916,400 km (0.118 R)
• M33: 44,221,729 km (0.082 R)
• M34: 45,146,244 km (0.081 R)
• M35: 46,715,525 km (0.12 R)
• M36: 53,183,240 km (0.109 R)
• M37: 54,403,958 km (0.047 R)
• M38: 54,756,112 km (0.068 R)
• M39: 57,811,200 km (0.042 R)
• M40: 58,915,980 km (0.082 R)
• M41: 65,642,648 km (0.057 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 507.7

Radius: 8

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 9.35 AU - 9.85 AU

Year: 19835 Days

Day: 22.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,479,929 km

• M1: 99,483 km (0.078 R)
• M2: 646,562 km (0.117 R)
• M3: 1,044,792 km (0.072 R)
• M4: 1,386,473 km (0.108 R)
• M5: 1,909,018 km (0.1 R)
• M6: 2,340,159 km (0.104 R)
• M7: 2,647,284 km (0.117 R)
• M8: 3,210,819 km (0.109 R)
• M9: 4,032,261 km (0.084 R)
• M10: 4,916,534 km (0.115 R)
• M11: 6,004,260 km (0.108 R)
• M12: 7,198,949 km (0.106 R)
• M13: 7,997,502 km (0.049 R)
• M14: 11,476,251 km (0.116 R)
• M15: 13,372,404 km (0.098 R)
• M16: 14,001,014 km (0.057 R)
• M17: 15,092,331 km (0.119 R)
• M18: 16,161,058 km (0.102 R)
• M19: 16,874,191 km (0.093 R)
• M20: 17,279,302 km (0.076 R)
• M21: 18,278,317 km (0.072 R)
• M22: 18,533,979 km (0.055 R)
• M23: 18,965,270 km (0.071 R)
• M24: 22,465,561 km (0.105 R)
• M25: 22,758,922 km (0.118 R)
• M26: 26,157,786 km (0.036 R)
• M27: 29,062,977 km (0.072 R)
• M28: 31,074,769 km (0.11 R)
• M29: 32,549,505 km (0.12 R)
• M30: 34,848,375 km (0.108 R)
• M31: 41,503,536 km (0.081 R)
• M32: 47,658,590 km (0.077 R)
• M33: 51,969,552 km (0.075 R)
• M34: 66,047,610 km (0.106 R)
• M35: 66,650,190 km (0.091 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 14,039 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit