🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.2

Radius: 8.6

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.5 AU - 0.66 AU

Year: 295 Days

Day: 12.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,989,254 km

• M1: 107,262 km (0.09 R)
• M2: 452,534 km (0.109 R)
• M3: 770,878 km (0.091 R)
• M4: 1,046,886 km (0.03 R)
• M5: 1,443,171 km (0.106 R)
• M6: 1,966,763 km (0.057 R)
• M7: 2,277,328 km (0.038 R)
• M8: 3,577,633 km (0.045 R)
• M9: 3,899,867 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.6

Radius: 9.1

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.53 AU - 2.09 AU

Year: 1624 Days

Day: 10.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 149.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,989,254 km

• M1: 113,246 km (0.082 R)
• M2: 614,997 km (0.12 R)
• M3: 1,243,757 km (0.114 R)
• M4: 2,302,910 km (0.097 R)
• M5: 3,356,827 km (0.094 R)
• M6: 3,911,236 km (0.052 R)
• M7: 4,390,099 km (0.11 R)
• M8: 5,398,688 km (0.06 R)
• M9: 6,355,516 km (0.049 R)
• M10: 7,726,431 km (0.112 R)
• M11: 8,754,019 km (0.11 R)
• M12: 10,410,665 km (0.068 R)
• M13: 10,971,059 km (0.115 R)
• M14: 14,121,141 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.6

Radius: 8.1

Gravity: 15.04 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.84 AU - 3.02 AU

Year: 2526 Days

Day: 7.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,989,254 km

• M1: 100,829 km (0.069 R)
• M2: 383,719 km (0.115 R)
• M3: 819,497 km (0.103 R)
• M4: 1,254,378 km (0.057 R)
• M5: 1,909,916 km (0.101 R)
• M6: 2,840,714 km (0.088 R)
• M7: 3,379,266 km (0.051 R)
• M8: 4,728,041 km (0.103 R)
• M9: 5,587,480 km (0.096 R)
• M10: 7,235,301 km (0.109 R)
• M11: 7,612,886 km (0.04 R)
• M12: 9,366,622 km (0.109 R)
• M13: 10,796,778 km (0.117 R)
• M14: 12,102,617 km (0.063 R)
• M15: 13,747,446 km (0.063 R)
• M16: 15,587,949 km (0.058 R)
• M17: 16,432,578 km (0.111 R)
• M18: 16,811,510 km (0.113 R)
• M19: 17,196,275 km (0.055 R)
• M20: 17,699,522 km (0.12 R)
• M21: 18,212,643 km (0.061 R)
• M22: 19,208,965 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.2

Radius: 14

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.1 AU - 3.44 AU

Year: 3074 Days

Day: 9.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,989,254 km

• M1: 174,132 km (0.049 R)
• M2: 687,701 km (0.088 R)
• M3: 1,325,437 km (0.067 R)
• M4: 2,002,367 km (0.095 R)
• M5: 2,457,444 km (0.112 R)
• M6: 2,950,668 km (0.116 R)
• M7: 4,000,247 km (0.062 R)
• M8: 4,644,715 km (0.07 R)
• M9: 5,804,846 km (0.102 R)
• M10: 6,689,568 km (0.102 R)
• M11: 7,943,647 km (0.081 R)
• M12: 10,719,435 km (0.05 R)
• M13: 12,518,948 km (0.088 R)
• M14: 15,042,215 km (0.117 R)
• M15: 16,449,333 km (0.109 R)
• M16: 17,399,280 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.9

Radius: 10.9

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.24 AU - 3.38 AU

Year: 3141 Days

Day: 5.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,989,254 km

• M1: 135,536 km (0.101 R)
• M2: 481,705 km (0.085 R)
• M3: 965,355 km (0.101 R)
• M4: 2,078,064 km (0.071 R)
• M5: 2,768,608 km (0.091 R)
• M6: 3,605,907 km (0.061 R)
• M7: 4,354,196 km (0.115 R)
• M8: 5,581,497 km (0.093 R)
• M9: 7,255,796 km (0.114 R)
• M10: 9,208,198 km (0.03 R)
• M11: 10,014,530 km (0.08 R)
• M12: 11,448,875 km (0.108 R)
• M13: 12,010,465 km (0.102 R)
• M14: 12,422,757 km (0.088 R)
• M15: 13,102,081 km (0.045 R)
• M16: 13,494,925 km (0.105 R)
• M17: 14,721,029 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.8

Radius: 9.4

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.97 AU - 3.95 AU

Year: 4292 Days

Day: 8.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,989,254 km

• M1: 116,986 km (0.096 R)
• M2: 423,512 km (0.064 R)
• M3: 781,050 km (0.048 R)
• M4: 1,226,254 km (0.085 R)
• M5: 1,616,555 km (0.105 R)
• M6: 1,913,207 km (0.109 R)
• M7: 2,602,554 km (0.11 R)
• M8: 3,903,756 km (0.105 R)
• M9: 5,649,713 km (0.103 R)
• M10: 6,403,238 km (0.04 R)
• M11: 7,287,959 km (0.102 R)
• M12: 7,794,498 km (0.12 R)
• M13: 8,915,435 km (0.082 R)
• M14: 9,416,288 km (0.049 R)
• M15: 10,772,094 km (0.089 R)
• M16: 11,429,726 km (0.099 R)
• M17: 13,917,838 km (0.11 R)
• M18: 16,573,499 km (0.097 R)
• M19: 17,154,238 km (0.115 R)
• M20: 20,927,845 km (0.032 R)
• M21: 23,007,554 km (0.085 R)
• M22: 23,439,443 km (0.103 R)
• M23: 23,876,718 km (0.11 R)
• M24: 25,834,804 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 940.5

Radius: 7.4

Gravity: 17.17 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 5.04 AU - 6.82 AU

Year: 9630 Days

Day: 17 Hours

Environment

Temp: -234 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,989,254 km

• M1: 92,302 km (0.115 R)
• M2: 355,893 km (0.09 R)
• M3: 600,336 km (0.054 R)
• M4: 1,292,526 km (0.118 R)
• M5: 1,839,605 km (0.106 R)
• M6: 2,848,792 km (0.082 R)
• M7: 3,121,210 km (0.074 R)
• M8: 4,331,307 km (0.11 R)
• M9: 6,008,299 km (0.106 R)
• M10: 7,553,496 km (0.095 R)
• M11: 8,720,060 km (0.11 R)
• M12: 9,746,600 km (0.08 R)
• M13: 10,421,137 km (0.1 R)
• M14: 11,921,155 km (0.066 R)
• M15: 12,154,977 km (0.091 R)
• M16: 12,997,661 km (0.094 R)
• M17: 13,622,980 km (0.025 R)
• M18: 29,530,769 km (0.09 R)
• M19: 31,827,845 km (0.118 R)
• M20: 34,124,022 km (0.103 R)
• M21: 43,579,356 km (0.09 R)
• M22: 46,117,433 km (0.099 R)
• M23: 47,569,281 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 805

Radius: 3

Gravity: 89.44 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 8.11 AU - 9.07 AU

Year: 16789 Days

Day: 22.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,989,254 km

• M1: 37,250 km (0.073 R)
• M2: 224,995 km (0.11 R)
• M3: 369,956 km (0.104 R)
• M4: 583,282 km (0.115 R)
• M5: 1,396,646 km (0.095 R)
• M6: 1,538,764 km (0.049 R)
• M7: 2,164,831 km (0.11 R)
• M8: 2,580,414 km (0.087 R)
• M9: 4,781,447 km (0.05 R)
• M10: 7,217,648 km (0.096 R)
• M11: 7,594,635 km (0.079 R)
• M12: 8,490,726 km (0.1 R)
• M13: 8,646,607 km (0.082 R)
• M14: 9,510,535 km (0.118 R)
• M15: 13,543,245 km (0.053 R)
• M16: 14,334,618 km (0.077 R)
• M17: 15,617,719 km (0.061 R)
• M18: 21,709,194 km (0.1 R)
• M19: 32,387,041 km (0.081 R)
• M20: 38,413,292 km (0.056 R)
• M21: 43,894,858 km (0.09 R)
• M22: 54,745,341 km (0.111 R)
• M23: 55,104,824 km (0.074 R)
• M24: 58,975,520 km (0.1 R)
• M25: 65,014,187 km (0.086 R)
• M26: 65,215,696 km (0.072 R)
• M27: 66,432,674 km (0.045 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149.1

Radius: 4.6

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 9.19 AU - 10.73 AU

Year: 20961 Days

Day: 18.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,989,254 km

• M1: 57,146 km (0.111 R)
• M2: 685,158 km (0.117 R)
• M3: 1,574,069 km (0.108 R)
• M4: 3,526,919 km (0.108 R)
• M5: 5,372,060 km (0.11 R)
• M6: 7,947,686 km (0.072 R)
• M7: 14,823,055 km (0.081 R)
• M8: 17,154,089 km (0.038 R)
• M9: 18,031,929 km (0.09 R)
• M10: 20,599,776 km (0.087 R)
• M11: 22,269,139 km (0.067 R)
• M12: 22,700,130 km (0.069 R)
• M13: 23,578,868 km (0.118 R)
• M14: 24,207,329 km (0.117 R)
• M15: 29,126,705 km (0.117 R)
• M16: 35,601,750 km (0.082 R)
• M17: 42,049,867 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 482.8

Radius: 5.5

Gravity: 15.96 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 9.18 AU - 11.06 AU

Year: 21468 Days

Day: 23.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 70,989,254 km

• M1: 69,563 km (0.043 R)
• M2: 468,391 km (0.07 R)
• M3: 1,543,401 km (0.091 R)
• M4: 2,243,070 km (0.089 R)
• M5: 3,109,093 km (0.1 R)
• M6: 3,838,382 km (0.087 R)
• M7: 4,607,315 km (0.095 R)
• M8: 5,210,943 km (0.113 R)
• M9: 5,946,515 km (0.112 R)
• M10: 6,192,454 km (0.113 R)
• M11: 12,061,927 km (0.089 R)
• M12: 12,657,177 km (0.049 R)
• M13: 12,859,882 km (0.11 R)
• M14: 13,341,138 km (0.078 R)
• M15: 13,551,174 km (0.082 R)
• M16: 15,158,603 km (0.055 R)
• M17: 17,801,997 km (0.066 R)
• M18: 18,572,875 km (0.116 R)
• M19: 18,834,671 km (0.078 R)
• M20: 21,208,341 km (0.108 R)
• M21: 23,265,461 km (0.101 R)
• M22: 32,446,133 km (0.043 R)
• M23: 33,983,550 km (0.112 R)
• M24: 36,243,824 km (0.085 R)
• M25: 38,744,203 km (0.093 R)
• M26: 45,651,735 km (0.113 R)
• M27: 49,227,423 km (0.11 R)
• M28: 52,810,592 km (0.075 R)
• M29: 54,755,065 km (0.097 R)
• M30: 63,207,644 km (0.087 R)
• M31: 63,404,664 km (0.081 R)
• M32: 67,023,137 km (0.067 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 17,391 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit