🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.3

Radius: 13.2

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.03 AU - 1.13 AU

Year: 748 Days

Day: 10.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,176,657 km

• M1: 164,109 km (0.109 R)
• M2: 582,085 km (0.1 R)
• M3: 3,193,316 km (0.08 R)
• M4: 3,779,291 km (0.083 R)
• M5: 4,310,214 km (0.116 R)
• M6: 5,756,825 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.9

Radius: 8.4

Gravity: 11.14 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.24 AU - 1.74 AU

Year: 1213 Days

Day: 5.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,176,657 km

• M1: 105,167 km (0.034 R)
• M2: 450,290 km (0.041 R)
• M3: 827,575 km (0.106 R)
• M4: 1,386,323 km (0.099 R)
• M5: 1,848,431 km (0.08 R)
• M6: 2,132,667 km (0.086 R)
• M7: 2,570,091 km (0.12 R)
• M8: 3,038,034 km (0.079 R)
• M9: 3,641,212 km (0.095 R)
• M10: 4,161,663 km (0.093 R)
• M11: 5,084,532 km (0.062 R)
• M12: 6,183,628 km (0.105 R)
• M13: 6,703,780 km (0.094 R)
• M14: 7,227,223 km (0.078 R)
• M15: 8,021,737 km (0.046 R)
• M16: 8,497,309 km (0.088 R)
• M17: 8,991,430 km (0.109 R)
• M18: 9,351,662 km (0.09 R)
• M19: 10,392,265 km (0.101 R)
• M20: 10,789,148 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.2

Radius: 14.8

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.85 AU - 3.07 AU

Year: 3396 Days

Day: 14.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,176,657 km

• M1: 187,147 km (0.064 R)
• M2: 1,274,125 km (0.11 R)
• M3: 2,329,688 km (0.073 R)
• M4: 3,121,808 km (0.097 R)
• M5: 3,720,649 km (0.086 R)
• M6: 4,875,395 km (0.033 R)
• M7: 6,045,549 km (0.077 R)
• M8: 6,781,870 km (0.032 R)
• M9: 7,856,282 km (0.101 R)
• M10: 10,725,719 km (0.1 R)
• M11: 14,140,140 km (0.052 R)
• M12: 14,708,313 km (0.087 R)
• M13: 16,247,376 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41

Radius: 14.9

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.61 AU - 3.33 AU

Year: 3413 Days

Day: 10.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,176,657 km

• M1: 185,651 km (0.095 R)
• M2: 888,761 km (0.053 R)
• M3: 1,543,850 km (0.096 R)
• M4: 2,132,966 km (0.113 R)
• M5: 3,534,100 km (0.108 R)
• M6: 4,443,057 km (0.057 R)
• M7: 4,935,832 km (0.052 R)
• M8: 5,522,106 km (0.105 R)
• M9: 6,257,978 km (0.073 R)
• M10: 7,495,601 km (0.108 R)
• M11: 8,098,481 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.4

Radius: 14.8

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.18 AU - 4.12 AU

Year: 4650 Days

Day: 9.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,176,657 km

• M1: 184,155 km (0.097 R)
• M2: 650,452 km (0.065 R)
• M3: 1,182,272 km (0.062 R)
• M4: 1,791,584 km (0.072 R)
• M5: 2,257,581 km (0.119 R)
• M6: 2,853,131 km (0.092 R)
• M7: 3,390,037 km (0.099 R)
• M8: 4,494,369 km (0.111 R)
• M9: 5,154,694 km (0.098 R)
• M10: 6,335,021 km (0.069 R)
• M11: 6,872,377 km (0.071 R)
• M12: 7,594,934 km (0.096 R)
• M13: 9,995,232 km (0.092 R)
• M14: 13,315,557 km (0.06 R)
• M15: 15,026,358 km (0.05 R)
• M16: 16,141,610 km (0.096 R)
• M17: 17,917,038 km (0.091 R)
• M18: 19,112,774 km (0.03 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.1

Radius: 12.3

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.3 AU - 4.52 AU

Year: 6176 Days

Day: 9.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 60,176,657 km

• M1: 153,039 km (0.103 R)
• M2: 931,696 km (0.109 R)
• M3: 1,578,856 km (0.099 R)
• M4: 1,968,409 km (0.093 R)
• M5: 2,423,037 km (0.105 R)
• M6: 2,829,345 km (0.111 R)
• M7: 3,663,652 km (0.064 R)
• M8: 4,254,414 km (0.029 R)
• M9: 5,170,102 km (0.11 R)
• M10: 5,754,282 km (0.099 R)
• M11: 6,416,552 km (0.091 R)
• M12: 7,736,304 km (0.065 R)
• M13: 8,502,245 km (0.11 R)
• M14: 9,142,075 km (0.062 R)
• M15: 9,631,410 km (0.114 R)
• M16: 13,055,855 km (0.109 R)
• M17: 15,913,773 km (0.097 R)
• M18: 16,362,865 km (0.099 R)
• M19: 20,793,954 km (0.092 R)
• M20: 21,956,330 km (0.071 R)
• M21: 22,353,213 km (0.105 R)
• M22: 25,967,049 km (0.092 R)
• M23: 26,860,298 km (0.108 R)
• M24: 27,681,440 km (0.114 R)
• M25: 28,992,217 km (0.066 R)
• M26: 29,856,294 km (0.084 R)
• M27: 31,234,539 km (0.102 R)
• M28: 32,346,949 km (0.09 R)
• M29: 35,297,468 km (0.073 R)
• M30: 38,193,832 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.5

Radius: 12.5

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 4.29 AU - 5.77 AU

Year: 7523 Days

Day: 12.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,176,657 km

• M1: 155,432 km (0.105 R)
• M2: 706,850 km (0.105 R)
• M3: 1,507,647 km (0.091 R)
• M4: 2,117,109 km (0.1 R)
• M5: 4,492,274 km (0.094 R)
• M6: 5,279,010 km (0.109 R)
• M7: 5,793,926 km (0.092 R)
• M8: 6,891,525 km (0.114 R)
• M9: 11,814,492 km (0.118 R)
• M10: 13,156,534 km (0.075 R)
• M11: 13,837,953 km (0.07 R)
• M12: 17,603,630 km (0.112 R)
• M13: 19,218,240 km (0.059 R)
• M14: 21,713,832 km (0.055 R)
• M15: 26,095,553 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 96.6

Radius: 7.1

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 5.21 AU - 7.25 AU

Year: 10370 Days

Day: 24.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,176,657 km

• M1: 90,208 km (0.065 R)
• M2: 359,484 km (0.059 R)
• M3: 769,232 km (0.072 R)
• M4: 1,180,477 km (0.11 R)
• M5: 1,989,053 km (0.095 R)
• M6: 2,503,520 km (0.068 R)
• M7: 3,816,541 km (0.074 R)
• M8: 5,293,221 km (0.037 R)
• M9: 6,277,276 km (0.044 R)
• M10: 8,097,583 km (0.102 R)
• M11: 8,639,427 km (0.11 R)
• M12: 12,410,191 km (0.066 R)
• M13: 13,277,409 km (0.109 R)
• M14: 13,725,754 km (0.065 R)
• M15: 13,979,323 km (0.099 R)
• M16: 14,235,883 km (0.112 R)
• M17: 18,719,481 km (0.077 R)
• M18: 19,794,192 km (0.112 R)
• M19: 23,192,607 km (0.115 R)
• M20: 24,062,518 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 89.1

Radius: 4.1

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 5.47 AU - 8.75 AU

Year: 12643 Days

Day: 24.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,176,657 km

• M1: 70,311 km (0.109 R)
• M2: 242,349 km (0.102 R)
• M3: 666,608 km (0.053 R)
• M4: 895,343 km (0.069 R)
• M5: 1,440,627 km (0.077 R)
• M6: 1,732,343 km (0.12 R)
• M7: 2,352,127 km (0.107 R)
• M8: 3,284,720 km (0.115 R)
• M9: 3,447,333 km (0.115 R)
• M10: 3,877,726 km (0.094 R)
• M11: 4,464,898 km (0.1 R)
• M12: 7,206,129 km (0.07 R)
• M13: 8,052,704 km (0.071 R)
• M14: 9,121,730 km (0.118 R)
• M15: 11,032,245 km (0.11 R)
• M16: 11,444,088 km (0.066 R)
• M17: 15,170,421 km (0.093 R)
• M18: 15,395,117 km (0.106 R)
• M19: 16,375,581 km (0.095 R)
• M20: 19,367,090 km (0.117 R)
• M21: 19,764,871 km (0.068 R)
• M22: 21,551,817 km (0.099 R)
• M23: 22,630,268 km (0.112 R)
• M24: 25,128,553 km (0.066 R)
• M25: 27,720,785 km (0.12 R)
• M26: 27,888,484 km (0.081 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 341.3

Radius: 3.8

Gravity: 23.64 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 9.4 AU - 9.86 AU

Year: 19928 Days

Day: 21.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 60,176,657 km

• M1: 48,919 km (0.102 R)
• M2: 185,501 km (0.027 R)
• M3: 612,154 km (0.056 R)
• M4: 807,829 km (0.082 R)
• M5: 3,269,162 km (0.099 R)
• M6: 4,221,802 km (0.071 R)
• M7: 4,598,339 km (0.083 R)
• M8: 5,274,821 km (0.056 R)
• M9: 5,899,990 km (0.116 R)
• M10: 6,250,349 km (0.114 R)
• M11: 6,614,320 km (0.074 R)
• M12: 6,864,747 km (0.085 R)
• M13: 7,563,369 km (0.108 R)
• M14: 8,212,624 km (0.102 R)
• M15: 8,599,933 km (0.076 R)
• M16: 11,241,532 km (0.119 R)
• M17: 14,657,001 km (0.088 R)
• M18: 15,010,950 km (0.081 R)
• M19: 17,021,844 km (0.093 R)
• M20: 24,020,182 km (0.076 R)
• M21: 25,617,887 km (0.119 R)
• M22: 26,651,609 km (0.086 R)
• M23: 27,605,445 km (0.104 R)
• M24: 28,145,044 km (0.071 R)
• M25: 30,259,909 km (0.103 R)
• M26: 46,412,739 km (0.097 R)
• M27: 48,256,982 km (0.079 R)
• M28: 51,600,644 km (0.07 R)
• M29: 52,254,686 km (0.114 R)
• M30: 55,436,483 km (0.115 R)
• M31: 56,122,389 km (0.081 R)
• M32: 58,037,840 km (0.044 R)
• M33: 58,390,742 km (0.078 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: 382 - 15,305 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit