🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.47 AU - 0.57 AU

Year: 242 Days

Day: 35.8 Hours

Environment

Temp: -120 °C

Axial Tilt: 19.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 32,321,308 km

• M1: 197,020 km (0.108 R)
• M2: 458,517 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.7

Radius: 11.7

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.03 AU - 1.11 AU

Year: 715 Days

Day: 13.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,321,308 km

• M1: 182,360 km (0.089 R)
• M2: 584,180 km (0.111 R)
• M3: 952,490 km (0.036 R)
• M4: 1,622,239 km (0.055 R)
• M5: 2,305,602 km (0.099 R)
• M6: 2,682,290 km (0.114 R)
• M7: 3,307,310 km (0.063 R)
• M8: 3,708,531 km (0.117 R)
• M9: 4,440,065 km (0.086 R)
• M10: 5,062,691 km (0.094 R)
• M11: 5,562,647 km (0.032 R)
• M12: 6,482,525 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.4

Radius: 11.6

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.13 AU - 1.55 AU

Year: 1002 Days

Day: 10.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,321,308 km

• M1: 144,362 km (0.117 R)
• M2: 711,637 km (0.113 R)
• M3: 1,123,480 km (0.095 R)
• M4: 1,516,623 km (0.094 R)
• M5: 3,003,028 km (0.104 R)
• M6: 4,021,490 km (0.118 R)
• M7: 4,556,452 km (0.099 R)
• M8: 5,217,375 km (0.092 R)
• M9: 7,537,638 km (0.037 R)
• M10: 8,825,377 km (0.093 R)
• M11: 9,227,346 km (0.111 R)
• M12: 10,828,642 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.7

Radius: 10.4

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.62 AU - 2.14 AU

Year: 1664 Days

Day: 8.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,321,308 km

• M1: 129,402 km (0.109 R)
• M2: 530,474 km (0.101 R)
• M3: 1,235,678 km (0.036 R)
• M4: 1,644,978 km (0.082 R)
• M5: 2,979,690 km (0.11 R)
• M6: 4,049,764 km (0.109 R)
• M7: 6,016,826 km (0.108 R)
• M8: 7,185,335 km (0.106 R)
• M9: 8,137,376 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.6

Radius: 14.9

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 4.24 AU - 4.36 AU

Year: 5757 Days

Day: 7.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,321,308 km

• M1: 185,352 km (0.104 R)
• M2: 793,168 km (0.056 R)
• M3: 1,304,793 km (0.076 R)
• M4: 1,963,023 km (0.068 R)
• M5: 2,909,529 km (0.081 R)
• M6: 4,120,524 km (0.11 R)
• M7: 5,788,390 km (0.105 R)
• M8: 7,050,996 km (0.085 R)
• M9: 8,415,778 km (0.111 R)
• M10: 9,826,187 km (0.083 R)
• M11: 11,389,035 km (0.092 R)
• M12: 12,666,003 km (0.118 R)
• M13: 16,832,752 km (0.113 R)
• M14: 20,048,807 km (0.049 R)
• M15: 20,998,754 km (0.097 R)
• M16: 23,135,610 km (0.049 R)
• M17: 23,954,359 km (0.042 R)
• M18: 25,179,566 km (0.113 R)
• M19: 27,506,261 km (0.092 R)
• M20: 28,088,795 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.6

Radius: 12.3

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.62 AU - 5.9 AU

Year: 6705 Days

Day: 6.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,321,308 km

• M1: 163,660 km (0.105 R)
• M2: 554,410 km (0.113 R)
• M3: 1,150,856 km (0.107 R)
• M4: 5,308,480 km (0.047 R)
• M5: 6,171,062 km (0.051 R)
• M6: 8,365,363 km (0.09 R)
• M7: 9,830,674 km (0.111 R)
• M8: 13,422,370 km (0.105 R)
• M9: 14,962,629 km (0.08 R)
• M10: 19,528,356 km (0.093 R)
• M11: 26,928,066 km (0.117 R)
• M12: 27,610,980 km (0.112 R)
• M13: 28,480,742 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.1

Radius: 12.1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.82 AU - 6.42 AU

Year: 8602 Days

Day: 13.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,321,308 km

• M1: 150,645 km (0.093 R)
• M2: 697,874 km (0.101 R)
• M3: 1,180,626 km (0.089 R)
• M4: 1,586,037 km (0.084 R)
• M5: 2,058,467 km (0.096 R)
• M6: 2,657,157 km (0.097 R)
• M7: 5,359,493 km (0.112 R)
• M8: 5,967,309 km (0.102 R)
• M9: 7,354,381 km (0.102 R)
• M10: 8,391,992 km (0.11 R)
• M11: 8,833,305 km (0.066 R)
• M12: 10,756,536 km (0.076 R)
• M13: 12,993,173 km (0.113 R)
• M14: 13,535,017 km (0.071 R)
• M15: 16,417,170 km (0.077 R)
• M16: 17,109,209 km (0.053 R)
• M17: 17,700,719 km (0.037 R)
• M18: 18,737,732 km (0.116 R)
• M19: 20,335,437 km (0.106 R)
• M20: 20,999,352 km (0.116 R)
• M21: 25,596,196 km (0.054 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.5

Radius: 8.9

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 5.09 AU - 6.61 AU

Year: 9136 Days

Day: 7.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 32,321,308 km

• M1: 110,702 km (0.119 R)
• M2: 454,628 km (0.053 R)
• M3: 845,228 km (0.117 R)
• M4: 1,183,918 km (0.066 R)
• M5: 1,479,224 km (0.09 R)
• M6: 1,950,756 km (0.086 R)
• M7: 2,642,796 km (0.084 R)
• M8: 3,489,520 km (0.069 R)
• M9: 4,689,444 km (0.082 R)
• M10: 5,649,564 km (0.114 R)
• M11: 6,081,004 km (0.063 R)
• M12: 6,534,285 km (0.087 R)
• M13: 11,783,675 km (0.119 R)
• M14: 12,956,971 km (0.061 R)
• M15: 14,206,412 km (0.068 R)
• M16: 14,659,245 km (0.092 R)
• M17: 18,973,947 km (0.07 R)
• M18: 21,678,377 km (0.088 R)
• M19: 22,430,705 km (0.098 R)
• M20: 24,873,638 km (0.113 R)
• M21: 28,369,740 km (0.108 R)
• M22: 31,316,220 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 212.4

Radius: 6.1

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 4.96 AU - 7.42 AU

Year: 9944 Days

Day: 19.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,321,308 km

• M1: 76,893 km (0.061 R)
• M2: 527,183 km (0.1 R)
• M3: 1,083,687 km (0.074 R)
• M4: 2,063,104 km (0.104 R)
• M5: 2,568,745 km (0.118 R)
• M6: 2,994,650 km (0.112 R)
• M7: 3,686,690 km (0.113 R)
• M8: 4,378,430 km (0.097 R)
• M9: 5,353,360 km (0.107 R)
• M10: 7,467,178 km (0.113 R)
• M11: 9,346,277 km (0.091 R)
• M12: 11,665,642 km (0.099 R)
• M13: 12,363,965 km (0.08 R)
• M14: 12,984,198 km (0.072 R)
• M15: 13,953,293 km (0.067 R)
• M16: 15,495,946 km (0.091 R)
• M17: 15,793,646 km (0.11 R)
• M18: 18,916,202 km (0.108 R)
• M19: 20,801,135 km (0.09 R)
• M20: 21,018,052 km (0.059 R)
• M21: 22,578,807 km (0.093 R)
• M22: 27,547,999 km (0.039 R)
• M23: 28,693,769 km (0.073 R)
• M24: 30,239,564 km (0.107 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: 468 - 11,375 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit