🌌 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: 863

Radius: 11.5

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.54 AU - 0.62 AU

Year: 295 Days

Day: 10.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,323,072 km

• M1: 143,016 km (0.082 R)
• M2: 540,348 km (0.048 R)
• M3: 958,324 km (0.041 R)
• M4: 1,484,160 km (0.089 R)
• M5: 1,962,574 km (0.106 R)
• M6: 2,418,399 km (0.116 R)
• M7: 2,924,339 km (0.094 R)
• M8: 3,289,358 km (0.101 R)
• M9: 3,792,007 km (0.092 R)
• M10: 4,478,511 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884

Radius: 9

Gravity: 10.91 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.48 AU - 0.76 AU

Year: 326 Days

Day: 10 Hours

Environment

Temp: -159 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,323,072 km

• M1: 111,899 km (0.107 R)
• M2: 404,513 km (0.081 R)
• M3: 997,519 km (0.072 R)
• M4: 1,311,674 km (0.098 R)
• M5: 1,671,457 km (0.057 R)
• M6: 2,146,580 km (0.059 R)
• M7: 2,622,002 km (0.094 R)
• M8: 3,090,243 km (0.057 R)
• M9: 3,909,142 km (0.032 R)
• M10: 4,984,451 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.3

Radius: 10.5

Gravity: 8.24 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.9 AU - 1.14 AU

Year: 687 Days

Day: 12.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,323,072 km

• M1: 130,599 km (0.1 R)
• M2: 546,780 km (0.096 R)
• M3: 1,539,362 km (0.111 R)
• M4: 2,265,361 km (0.116 R)
• M5: 2,609,735 km (0.078 R)
• M6: 2,952,164 km (0.054 R)
• M7: 3,685,643 km (0.091 R)
• M8: 4,149,995 km (0.118 R)
• M9: 4,552,862 km (0.116 R)
• M10: 6,602,203 km (0.099 R)
• M11: 6,929,074 km (0.09 R)
• M12: 8,048,365 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.1

Radius: 12.9

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.69 AU - 1.83 AU

Year: 1557 Days

Day: 5.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,323,072 km

• M1: 160,369 km (0.07 R)
• M2: 572,661 km (0.098 R)
• M3: 988,244 km (0.111 R)
• M4: 1,724,265 km (0.072 R)
• M5: 2,169,169 km (0.111 R)
• M6: 2,946,779 km (0.081 R)
• M7: 3,796,944 km (0.036 R)
• M8: 4,404,909 km (0.102 R)
• M9: 5,911,210 km (0.061 R)
• M10: 6,704,528 km (0.077 R)
• M11: 7,909,838 km (0.062 R)
• M12: 8,873,846 km (0.082 R)
• M13: 9,515,023 km (0.105 R)
• M14: 10,782,715 km (0.08 R)
• M15: 11,890,936 km (0.055 R)
• M16: 13,443,463 km (0.113 R)
• M17: 13,947,309 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.5

Radius: 9.8

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.67 AU - 1.91 AU

Year: 1597 Days

Day: 11 Hours

Environment

Temp: -196 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,323,072 km

• M1: 136,583 km (0.098 R)
• M2: 451,786 km (0.086 R)
• M3: 917,933 km (0.081 R)
• M4: 1,315,564 km (0.085 R)
• M5: 2,432,162 km (0.094 R)
• M6: 3,078,126 km (0.051 R)
• M7: 3,403,651 km (0.112 R)
• M8: 3,868,003 km (0.081 R)
• M9: 4,465,945 km (0.089 R)
• M10: 4,884,819 km (0.102 R)
• M11: 5,540,806 km (0.108 R)
• M12: 5,845,836 km (0.091 R)
• M13: 6,804,609 km (0.094 R)
• M14: 7,412,425 km (0.12 R)
• M15: 7,919,113 km (0.057 R)
• M16: 10,244,761 km (0.086 R)
• M17: 11,493,305 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.9

Radius: 9.9

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.55 AU - 5.37 AU

Year: 7366 Days

Day: 7.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,323,072 km

• M1: 123,867 km (0.12 R)
• M2: 1,293,124 km (0.075 R)
• M3: 1,638,695 km (0.093 R)
• M4: 2,090,780 km (0.108 R)
• M5: 3,671,281 km (0.116 R)
• M6: 4,326,221 km (0.066 R)
• M7: 5,366,076 km (0.054 R)
• M8: 6,730,408 km (0.074 R)
• M9: 7,209,421 km (0.065 R)
• M10: 13,172,093 km (0.106 R)
• M11: 13,490,287 km (0.1 R)
• M12: 14,815,126 km (0.095 R)
• M13: 15,745,176 km (0.113 R)
• M14: 17,593,308 km (0.027 R)
• M15: 24,000,136 km (0.11 R)
• M16: 28,685,093 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.3

Radius: 13.9

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.69 AU - 6.35 AU

Year: 8648 Days

Day: 9.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,323,072 km

• M1: 174,132 km (0.113 R)
• M2: 659,278 km (0.111 R)
• M3: 1,786,647 km (0.098 R)
• M4: 3,227,275 km (0.093 R)
• M5: 5,401,830 km (0.105 R)
• M6: 8,587,965 km (0.045 R)
• M7: 11,995,356 km (0.098 R)
• M8: 17,140,026 km (0.073 R)
• M9: 19,600,612 km (0.101 R)
• M10: 21,574,855 km (0.096 R)
• M11: 22,772,536 km (0.104 R)
• M12: 23,845,901 km (0.094 R)
• M13: 24,608,551 km (0.108 R)
• M14: 38,898,139 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 382.4

Radius: 4.3

Gravity: 20.68 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 5.71 AU - 8.09 AU

Year: 12087 Days

Day: 17 Hours

Environment

Temp: -229 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,323,072 km

• M1: 55,202 km (0.086 R)
• M2: 254,466 km (0.066 R)
• M3: 406,009 km (0.11 R)
• M4: 562,937 km (0.039 R)
• M5: 752,328 km (0.035 R)
• M6: 963,560 km (0.093 R)
• M7: 1,890,169 km (0.11 R)
• M8: 2,192,955 km (0.047 R)
• M9: 2,337,616 km (0.065 R)
• M10: 3,535,895 km (0.119 R)
• M11: 3,942,203 km (0.109 R)
• M12: 5,678,286 km (0.045 R)
• M13: 6,826,300 km (0.06 R)
• M14: 7,374,277 km (0.105 R)
• M15: 8,916,781 km (0.045 R)
• M16: 16,888,104 km (0.116 R)
• M17: 17,098,887 km (0.099 R)
• M18: 18,252,436 km (0.118 R)
• M19: 20,394,379 km (0.098 R)
• M20: 21,361,678 km (0.037 R)
• M21: 22,954,896 km (0.068 R)
• M22: 28,108,692 km (0.066 R)
• M23: 28,404,746 km (0.07 R)
• M24: 29,609,607 km (0.072 R)
• M25: 33,871,501 km (0.033 R)
• M26: 38,161,519 km (0.116 R)
• M27: 44,782,871 km (0.047 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624.9

Radius: 4.4

Gravity: 32.28 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 6.79 AU - 8.11 AU

Year: 13560 Days

Day: 20.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,323,072 km

• M1: 55,351 km (0.113 R)
• M2: 221,106 km (0.115 R)
• M3: 530,624 km (0.097 R)
• M4: 694,284 km (0.108 R)
• M5: 1,317,209 km (0.069 R)
• M6: 2,578,768 km (0.11 R)
• M7: 3,007,516 km (0.077 R)
• M8: 5,068,675 km (0.046 R)
• M9: 6,075,918 km (0.115 R)
• M10: 6,347,138 km (0.111 R)
• M11: 7,826,512 km (0.096 R)
• M12: 8,621,774 km (0.099 R)
• M13: 8,816,551 km (0.089 R)
• M14: 9,993,587 km (0.032 R)
• M15: 10,154,404 km (0.054 R)
• M16: 10,481,276 km (0.09 R)
• M17: 10,703,129 km (0.073 R)
• M18: 13,484,303 km (0.11 R)
• M19: 22,463,167 km (0.05 R)
• M20: 24,251,161 km (0.097 R)
• M21: 26,848,779 km (0.116 R)
• M22: 29,625,764 km (0.055 R)
• M23: 52,791,293 km (0.119 R)
• M24: 55,934,943 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 296.8

Radius: 5.7

Gravity: 9.14 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 7.35 AU - 10.53 AU

Year: 17825 Days

Day: 20.5 Hours

Environment

Temp: -244 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 53,323,072 km

• M1: 70,909 km (0.063 R)
• M2: 351,405 km (0.088 R)
• M3: 873,352 km (0.035 R)
• M4: 1,215,034 km (0.112 R)
• M5: 2,109,031 km (0.065 R)
• M6: 2,295,879 km (0.05 R)
• M7: 2,639,206 km (0.089 R)
• M8: 4,072,802 km (0.059 R)
• M9: 5,254,176 km (0.116 R)
• M10: 6,071,280 km (0.118 R)
• M11: 6,297,622 km (0.1 R)
• M12: 6,727,416 km (0.101 R)
• M13: 7,601,816 km (0.095 R)
• M14: 8,363,419 km (0.116 R)
• M15: 10,300,561 km (0.065 R)
• M16: 10,568,940 km (0.085 R)
• M17: 14,695,298 km (0.104 R)
• M18: 16,158,964 km (0.067 R)
• M19: 16,667,746 km (0.065 R)
• M20: 17,488,739 km (0.105 R)
• M21: 20,113,284 km (0.119 R)
• M22: 21,129,353 km (0.107 R)
• M23: 22,179,081 km (0.089 R)
• M24: 28,371,236 km (0.076 R)
• M25: 30,081,738 km (0.101 R)
• M26: 30,409,806 km (0.099 R)
• M27: 31,073,423 km (0.071 R)
• M28: 31,746,463 km (0.101 R)
• M29: 35,258,722 km (0.062 R)
• M30: 40,999,241 km (0.092 R)
• M31: 41,808,715 km (0.098 R)
• M32: 48,823,210 km (0.073 R)
• M33: 49,885,205 km (0.025 R)
• M34: 50,345,069 km (0.092 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 11,308 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit