🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.6

Radius: 11.3

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.33 AU - 1.63 AU

Year: 1181 Days

Day: 9.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,753,362 km

• M1: 140,472 km (0.1 R)
• M2: 584,928 km (0.087 R)
• M3: 990,338 km (0.107 R)
• M4: 1,391,559 km (0.052 R)
• M5: 2,148,525 km (0.075 R)
• M6: 2,649,229 km (0.11 R)
• M7: 3,374,030 km (0.106 R)
• M8: 3,754,458 km (0.035 R)
• M9: 4,518,753 km (0.072 R)
• M10: 5,346,478 km (0.095 R)
• M11: 6,763,021 km (0.057 R)
• M12: 7,629,791 km (0.084 R)
• M13: 8,090,103 km (0.048 R)
• M14: 8,646,308 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238

Radius: 10.5

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.16 AU - 1.88 AU

Year: 1229 Days

Day: 7.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,753,362 km

• M1: 131,048 km (0.097 R)
• M2: 683,513 km (0.095 R)
• M3: 1,020,557 km (0.073 R)
• M4: 1,436,289 km (0.027 R)
• M5: 2,075,670 km (0.062 R)
• M6: 2,619,160 km (0.09 R)
• M7: 3,360,267 km (0.099 R)
• M8: 4,266,681 km (0.116 R)
• M9: 5,990,198 km (0.111 R)
• M10: 6,684,482 km (0.026 R)
• M11: 7,522,978 km (0.091 R)
• M12: 8,063,624 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.6

Radius: 12.9

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.8 AU - 2.22 AU

Year: 1869 Days

Day: 7.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,753,362 km

• M1: 160,369 km (0.088 R)
• M2: 703,260 km (0.116 R)
• M3: 1,199,177 km (0.116 R)
• M4: 1,780,215 km (0.104 R)
• M5: 2,944,385 km (0.089 R)
• M6: 3,385,699 km (0.114 R)
• M7: 4,074,597 km (0.048 R)
• M8: 4,605,071 km (0.112 R)
• M9: 7,372,781 km (0.082 R)
• M10: 8,346,963 km (0.113 R)
• M11: 10,586,892 km (0.062 R)
• M12: 11,671,177 km (0.092 R)
• M13: 12,461,203 km (0.086 R)
• M14: 13,160,424 km (0.114 R)
• M15: 13,755,674 km (0.114 R)
• M16: 14,592,375 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.4

Radius: 8.2

Gravity: 9.38 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.51 AU - 2.59 AU

Year: 2671 Days

Day: 6.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,753,362 km

• M1: 102,774 km (0.119 R)
• M2: 402,568 km (0.099 R)
• M3: 898,784 km (0.095 R)
• M4: 1,278,463 km (0.09 R)
• M5: 1,740,571 km (0.112 R)
• M6: 2,917,458 km (0.032 R)
• M7: 3,285,020 km (0.072 R)
• M8: 3,553,099 km (0.113 R)
• M9: 4,133,688 km (0.093 R)
• M10: 6,177,195 km (0.112 R)
• M11: 6,813,884 km (0.109 R)
• M12: 7,677,961 km (0.078 R)
• M13: 8,546,377 km (0.09 R)
• M14: 10,553,831 km (0.085 R)
• M15: 10,864,396 km (0.118 R)
• M16: 11,667,138 km (0.1 R)
• M17: 16,130,540 km (0.12 R)
• M18: 16,490,921 km (0.054 R)
• M19: 17,014,963 km (0.113 R)
• M20: 18,823,750 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.6

Radius: 9.5

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.58 AU - 3.58 AU

Year: 3546 Days

Day: 6.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 75.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,753,362 km

• M1: 118,332 km (0.108 R)
• M2: 432,487 km (0.097 R)
• M3: 996,172 km (0.03 R)
• M4: 1,508,844 km (0.083 R)
• M5: 1,826,889 km (0.113 R)
• M6: 2,842,659 km (0.079 R)
• M7: 3,187,781 km (0.03 R)
• M8: 3,541,730 km (0.055 R)
• M9: 4,132,641 km (0.065 R)
• M10: 4,463,252 km (0.052 R)
• M11: 5,054,014 km (0.067 R)
• M12: 5,830,727 km (0.088 R)
• M13: 6,304,952 km (0.1 R)
• M14: 6,834,977 km (0.116 R)
• M15: 8,569,564 km (0.082 R)
• M16: 9,109,613 km (0.076 R)
• M17: 10,417,846 km (0.101 R)
• M18: 11,499,738 km (0.069 R)
• M19: 14,479,728 km (0.111 R)
• M20: 15,142,446 km (0.069 R)
• M21: 15,878,617 km (0.069 R)
• M22: 16,418,965 km (0.097 R)
• M23: 17,593,607 km (0.118 R)
• M24: 20,614,287 km (0.105 R)
• M25: 21,913,844 km (0.101 R)
• M26: 22,787,346 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.9

Radius: 8.2

Gravity: 9.99 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.84 AU - 4.74 AU

Year: 4840 Days

Day: 13.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,753,362 km

• M1: 109,954 km (0.113 R)
• M2: 413,489 km (0.086 R)
• M3: 697,276 km (0.081 R)
• M4: 1,455,737 km (0.114 R)
• M5: 2,611,231 km (0.074 R)
• M6: 3,120,312 km (0.075 R)
• M7: 3,481,292 km (0.111 R)
• M8: 3,781,236 km (0.101 R)
• M9: 4,168,545 km (0.045 R)
• M10: 8,667,252 km (0.117 R)
• M11: 10,931,565 km (0.062 R)
• M12: 11,909,935 km (0.114 R)
• M13: 12,593,747 km (0.098 R)
• M14: 13,932,947 km (0.065 R)
• M15: 20,727,683 km (0.1 R)
• M16: 27,554,881 km (0.053 R)
• M17: 28,836,186 km (0.057 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.7

Radius: 12.8

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 4.01 AU - 4.43 AU

Year: 5687 Days

Day: 7.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,753,362 km

• M1: 159,322 km (0.097 R)
• M2: 711,637 km (0.102 R)
• M3: 1,418,337 km (0.085 R)
• M4: 3,069,599 km (0.075 R)
• M5: 5,102,185 km (0.057 R)
• M6: 6,916,209 km (0.116 R)
• M7: 7,347,350 km (0.079 R)
• M8: 7,758,445 km (0.043 R)
• M9: 8,586,020 km (0.085 R)
• M10: 11,774,699 km (0.11 R)
• M11: 14,720,730 km (0.069 R)
• M12: 16,364,361 km (0.064 R)
• M13: 18,194,841 km (0.055 R)
• M14: 21,190,987 km (0.097 R)
• M15: 26,107,521 km (0.105 R)
• M16: 34,467,200 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.3

Radius: 9.3

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 5.14 AU - 5.64 AU

Year: 8209 Days

Day: 8.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 42,753,362 km

• M1: 117,285 km (0.097 R)
• M2: 527,632 km (0.116 R)
• M3: 909,106 km (0.03 R)
• M4: 1,349,373 km (0.104 R)
• M5: 1,733,091 km (0.115 R)
• M6: 2,275,384 km (0.038 R)
• M7: 2,664,338 km (0.044 R)
• M8: 2,969,069 km (0.117 R)
• M9: 4,211,928 km (0.101 R)
• M10: 4,542,390 km (0.061 R)
• M11: 5,606,928 km (0.112 R)
• M12: 6,718,291 km (0.095 R)
• M13: 7,209,570 km (0.11 R)
• M14: 8,961,960 km (0.047 R)
• M15: 9,698,729 km (0.085 R)
• M16: 10,981,381 km (0.115 R)
• M17: 12,541,687 km (0.119 R)
• M18: 14,429,163 km (0.091 R)
• M19: 15,311,791 km (0.096 R)
• M20: 15,766,269 km (0.089 R)
• M21: 18,175,543 km (0.108 R)
• M22: 19,886,045 km (0.11 R)
• M23: 22,275,273 km (0.11 R)
• M24: 24,495,305 km (0.103 R)
• M25: 25,749,982 km (0.069 R)
• M26: 26,858,951 km (0.063 R)
• M27: 34,301,146 km (0.11 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: 191 - 17,180 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit