🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.3

Radius: 14.8

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.83 AU - 1.21 AU

Year: 711 Days

Day: 6.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,602,527 km

• M1: 184,155 km (0.092 R)
• M2: 673,340 km (0.113 R)
• M3: 1,642,734 km (0.117 R)
• M4: 2,396,857 km (0.118 R)
• M5: 2,885,294 km (0.092 R)
• M6: 4,821,091 km (0.071 R)
• M7: 6,034,928 km (0.109 R)
• M8: 6,778,429 km (0.116 R)
• M9: 7,605,406 km (0.092 R)
• M10: 8,152,934 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.4

Radius: 11.6

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.88 AU - 1.96 AU

Year: 1836 Days

Day: 15 Hours

Environment

Temp: -191 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,602,527 km

• M1: 144,362 km (0.061 R)
• M2: 764,595 km (0.071 R)
• M3: 1,151,754 km (0.042 R)
• M4: 1,713,644 km (0.12 R)
• M5: 2,094,520 km (0.075 R)
• M6: 3,077,228 km (0.095 R)
• M7: 4,077,888 km (0.101 R)
• M8: 4,725,647 km (0.119 R)
• M9: 5,350,667 km (0.089 R)
• M10: 6,202,328 km (0.099 R)
• M11: 6,608,785 km (0.097 R)
• M12: 8,632,994 km (0.108 R)
• M13: 10,392,115 km (0.085 R)
• M14: 11,300,174 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.1

Radius: 10.8

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.58 AU - 2.4 AU

Year: 1938 Days

Day: 9 Hours

Environment

Temp: -205 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,602,527 km

• M1: 134,339 km (0.103 R)
• M2: 486,642 km (0.044 R)
• M3: 1,378,544 km (0.11 R)
• M4: 1,753,736 km (0.091 R)
• M5: 2,889,483 km (0.119 R)
• M6: 3,456,010 km (0.099 R)
• M7: 4,258,752 km (0.083 R)
• M8: 5,392,704 km (0.092 R)
• M9: 6,516,034 km (0.057 R)
• M10: 7,788,963 km (0.08 R)
• M11: 8,144,557 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.9

Radius: 11

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.17 AU - 2.87 AU

Year: 2761 Days

Day: 10.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,602,527 km

• M1: 136,882 km (0.075 R)
• M2: 504,145 km (0.084 R)
• M3: 1,024,147 km (0.071 R)
• M4: 1,651,560 km (0.076 R)
• M5: 2,077,765 km (0.115 R)
• M6: 2,549,148 km (0.102 R)
• M7: 2,933,315 km (0.109 R)
• M8: 3,989,775 km (0.093 R)
• M9: 4,531,918 km (0.06 R)
• M10: 5,191,196 km (0.03 R)
• M11: 5,788,540 km (0.087 R)
• M12: 7,322,517 km (0.118 R)
• M13: 7,767,720 km (0.063 R)
• M14: 8,262,590 km (0.105 R)
• M15: 8,778,403 km (0.051 R)
• M16: 10,381,793 km (0.086 R)
• M17: 11,370,186 km (0.104 R)
• M18: 12,254,459 km (0.099 R)
• M19: 13,577,652 km (0.074 R)
• M20: 13,979,023 km (0.083 R)
• M21: 14,480,475 km (0.045 R)
• M22: 15,713,312 km (0.1 R)

Asteroid Belt

Center: 2.98 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.9

Radius: 9.4

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.2 AU - 3.66 AU

Year: 4385 Days

Day: 7.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 39,602,527 km

• M1: 118,930 km (0.054 R)
• M2: 437,125 km (0.113 R)
• M3: 822,489 km (0.108 R)
• M4: 1,629,570 km (0.085 R)
• M5: 2,034,531 km (0.074 R)
• M6: 2,415,108 km (0.103 R)
• M7: 3,377,471 km (0.119 R)
• M8: 3,688,934 km (0.102 R)
• M9: 5,546,939 km (0.091 R)
• M10: 6,470,407 km (0.101 R)
• M11: 6,799,971 km (0.109 R)
• M12: 7,823,221 km (0.075 R)
• M13: 8,477,562 km (0.037 R)
• M14: 10,053,127 km (0.115 R)
• M15: 11,078,770 km (0.089 R)
• M16: 11,726,827 km (0.066 R)
• M17: 12,037,841 km (0.099 R)
• M18: 14,170,359 km (0.105 R)
• M19: 14,779,073 km (0.086 R)
• M20: 15,089,937 km (0.069 R)
• M21: 16,103,164 km (0.102 R)
• M22: 16,766,181 km (0.065 R)
• M23: 18,803,854 km (0.103 R)
• M24: 19,169,172 km (0.06 R)
• M25: 20,102,812 km (0.113 R)
• M26: 22,263,454 km (0.098 R)
• M27: 23,155,656 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.1

Radius: 5.7

Gravity: 22.35 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 6.21 AU - 6.71 AU

Year: 11333 Days

Day: 24.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,602,527 km

• M1: 169,644 km (0.058 R)
• M2: 464,352 km (0.066 R)
• M3: 777,161 km (0.094 R)
• M4: 1,126,771 km (0.105 R)
• M5: 1,517,820 km (0.064 R)
• M6: 1,858,754 km (0.088 R)
• M7: 3,674,273 km (0.106 R)
• M8: 4,172,584 km (0.103 R)
• M9: 5,002,852 km (0.105 R)
• M10: 6,236,735 km (0.112 R)
• M11: 7,704,440 km (0.034 R)
• M12: 8,425,202 km (0.11 R)
• M13: 10,747,261 km (0.081 R)
• M14: 14,843,849 km (0.119 R)
• M15: 15,117,014 km (0.117 R)
• M16: 18,979,781 km (0.118 R)
• M17: 28,162,398 km (0.11 R)
• M18: 39,657,648 km (0.102 R)
• M19: 44,987,072 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 686.6

Radius: 7.8

Gravity: 11.29 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 7.46 AU - 8.26 AU

Year: 15211 Days

Day: 24.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 39,602,527 km

• M1: 110,702 km (0.059 R)
• M2: 581,337 km (0.113 R)
• M3: 1,385,875 km (0.076 R)
• M4: 2,095,866 km (0.078 R)
• M5: 2,373,520 km (0.057 R)
• M6: 3,384,502 km (0.093 R)
• M7: 4,030,915 km (0.109 R)
• M8: 9,159,429 km (0.116 R)
• M9: 9,528,188 km (0.11 R)
• M10: 11,828,704 km (0.095 R)
• M11: 12,329,707 km (0.101 R)
• M12: 13,917,539 km (0.031 R)
• M13: 15,562,966 km (0.115 R)
• M14: 16,548,217 km (0.112 R)
• M15: 23,643,345 km (0.063 R)
• M16: 25,353,398 km (0.097 R)
• M17: 28,792,953 km (0.109 R)
• M18: 29,130,595 km (0.054 R)
• M19: 34,390,307 km (0.103 R)
• M20: 36,449,970 km (0.082 R)
• M21: 39,970,008 km (0.097 R)
• M22: 44,305,653 km (0.114 R)
• M23: 47,834,667 km (0.055 R)
• M24: 48,308,294 km (0.028 R)
• M25: 49,586,757 km (0.099 R)
• M26: 54,582,130 km (0.111 R)
• M27: 54,926,653 km (0.078 R)
• M28: 57,378,712 km (0.089 R)
• M29: 58,631,744 km (0.105 R)
• M30: 59,720,218 km (0.119 R)
• M31: 62,312,151 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 896.2

Radius: 4.5

Gravity: 44.26 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 6.8 AU - 10.42 AU

Year: 17439 Days

Day: 19 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 39,602,527 km

• M1: 55,950 km (0.089 R)
• M2: 200,611 km (0.069 R)
• M3: 390,750 km (0.114 R)
• M4: 853,157 km (0.095 R)
• M5: 1,016,069 km (0.106 R)
• M6: 1,722,021 km (0.067 R)
• M7: 1,868,926 km (0.113 R)
• M8: 2,125,786 km (0.11 R)
• M9: 2,473,750 km (0.082 R)
• M10: 4,387,257 km (0.119 R)
• M11: 5,248,791 km (0.029 R)
• M12: 5,402,578 km (0.107 R)
• M13: 8,241,496 km (0.078 R)
• M14: 9,150,303 km (0.106 R)
• M15: 9,947,211 km (0.106 R)
• M16: 12,007,174 km (0.102 R)
• M17: 13,031,022 km (0.031 R)
• M18: 14,941,237 km (0.113 R)
• M19: 20,995,762 km (0.093 R)
• M20: 21,975,628 km (0.105 R)
• M21: 24,450,874 km (0.076 R)
• M22: 26,424,968 km (0.107 R)
• M23: 26,764,106 km (0.081 R)
• M24: 27,798,576 km (0.109 R)
• M25: 28,502,882 km (0.081 R)
• M26: 31,565,749 km (0.052 R)
• M27: 32,590,345 km (0.089 R)
• M28: 35,248,549 km (0.116 R)
• M29: 38,480,013 km (0.116 R)
• M30: 41,903,560 km (0.117 R)
• M31: 47,827,786 km (0.086 R)
• M32: 50,380,374 km (0.064 R)
• M33: 52,486,712 km (0.114 R)
• M34: 56,126,428 km (0.1 R)
• M35: 58,198,209 km (0.085 R)
• M36: 60,125,479 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 107.6

Radius: 4.2

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 6.96 AU - 11.24 AU

Year: 18948 Days

Day: 23.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,602,527 km

• M1: 52,210 km (0.101 R)
• M2: 188,344 km (0.085 R)
• M3: 450,738 km (0.052 R)
• M4: 813,513 km (0.073 R)
• M5: 1,219,073 km (0.116 R)
• M6: 1,777,223 km (0.062 R)
• M7: 2,039,318 km (0.092 R)
• M8: 2,526,858 km (0.119 R)
• M9: 2,718,642 km (0.086 R)
• M10: 3,514,054 km (0.112 R)
• M11: 5,115,649 km (0.104 R)
• M12: 5,645,524 km (0.116 R)
• M13: 6,923,689 km (0.097 R)
• M14: 8,010,966 km (0.098 R)
• M15: 8,216,364 km (0.049 R)
• M16: 9,754,529 km (0.049 R)
• M17: 11,683,145 km (0.102 R)
• M18: 19,775,043 km (0.105 R)
• M19: 24,341,070 km (0.072 R)
• M20: 24,512,957 km (0.051 R)
• M21: 25,917,083 km (0.085 R)
• M22: 31,050,833 km (0.113 R)
• M23: 34,391,802 km (0.079 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 12,069 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit