🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.47 AU - 0.71 AU

Year: 205 Days

Day: 36.8 Hours

Environment

Temp: -8 °C

Axial Tilt: 33.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.78 AU - 0.86 AU

Year: 336 Days

Day: 18.3 Hours

Environment

Temp: -58 °C

Axial Tilt: 48.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,935,058 km

• M1: 141,370 km (0.06 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.86 AU - 1.12 AU

Year: 446 Days

Day: 20.8 Hours

Environment

Temp: -71 °C

Axial Tilt: 119.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 39,935,058 km

• M1: 26,628 km (0.075 R)
• M2: 92,302 km (0.106 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.89 AU - 1.15 AU

Year: 467 Days

Day: 32.4 Hours

Environment

Temp: -77 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,935,058 km

• M1: 163,810 km (0.072 R)

Asteroid Belt

Center: 1.9 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567

Radius: 11.9

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.36 AU - 3.18 AU

Year: 2089 Days

Day: 9.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,935,058 km

• M1: 148,251 km (0.068 R)
• M2: 701,764 km (0.032 R)
• M3: 1,182,870 km (0.099 R)
• M4: 2,217,639 km (0.078 R)
• M5: 2,730,909 km (0.1 R)
• M6: 3,322,419 km (0.112 R)
• M7: 3,943,101 km (0.118 R)
• M8: 4,418,523 km (0.094 R)
• M9: 4,826,327 km (0.116 R)
• M10: 5,214,683 km (0.118 R)
• M11: 6,203,525 km (0.082 R)
• M12: 7,257,591 km (0.103 R)
• M13: 7,740,194 km (0.075 R)
• M14: 8,396,480 km (0.104 R)
• M15: 9,417,186 km (0.086 R)
• M16: 11,324,708 km (0.088 R)
• M17: 12,569,662 km (0.094 R)
• M18: 15,701,942 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.6

Radius: 9

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.92 AU - 4.12 AU

Year: 2992 Days

Day: 13.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,935,058 km

• M1: 111,899 km (0.11 R)
• M2: 439,668 km (0.056 R)
• M3: 947,254 km (0.091 R)
• M4: 1,425,817 km (0.088 R)
• M5: 1,737,878 km (0.073 R)
• M6: 2,071,332 km (0.094 R)
• M7: 3,321,522 km (0.106 R)
• M8: 4,030,466 km (0.119 R)
• M9: 4,814,807 km (0.112 R)
• M10: 5,174,142 km (0.083 R)
• M11: 5,697,285 km (0.059 R)
• M12: 6,629,430 km (0.088 R)
• M13: 7,421,999 km (0.091 R)
• M14: 7,810,804 km (0.072 R)
• M15: 8,308,067 km (0.071 R)
• M16: 9,127,116 km (0.065 R)
• M17: 9,998,972 km (0.113 R)
• M18: 11,666,689 km (0.104 R)
• M19: 11,948,232 km (0.087 R)
• M20: 12,275,552 km (0.105 R)
• M21: 12,905,210 km (0.069 R)
• M22: 13,689,103 km (0.102 R)
• M23: 14,002,510 km (0.068 R)
• M24: 15,984,084 km (0.095 R)
• M25: 16,836,792 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.7

Radius: 13.8

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.77 AU - 4.41 AU

Year: 3082 Days

Day: 8.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,935,058 km

• M1: 245,789 km (0.078 R)
• M2: 724,951 km (0.083 R)
• M3: 1,477,279 km (0.098 R)
• M4: 2,163,185 km (0.109 R)
• M5: 2,981,785 km (0.064 R)
• M6: 4,366,463 km (0.083 R)
• M7: 5,497,572 km (0.073 R)
• M8: 7,398,512 km (0.048 R)
• M9: 8,971,235 km (0.071 R)
• M10: 9,639,788 km (0.105 R)
• M11: 12,110,845 km (0.059 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.3

Radius: 9.8

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.31 AU - 5.05 AU

Year: 4587 Days

Day: 10.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,935,058 km

• M1: 121,922 km (0.086 R)
• M2: 623,075 km (0.101 R)
• M3: 1,051,075 km (0.056 R)
• M4: 1,499,419 km (0.119 R)
• M5: 4,599,087 km (0.102 R)
• M6: 4,998,214 km (0.109 R)
• M7: 8,006,029 km (0.111 R)
• M8: 8,548,322 km (0.089 R)
• M9: 9,114,849 km (0.036 R)
• M10: 9,787,141 km (0.089 R)
• M11: 10,534,532 km (0.095 R)
• M12: 13,704,960 km (0.119 R)
• M13: 15,177,901 km (0.063 R)
• M14: 25,286,079 km (0.084 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.4

Radius: 8.1

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 5.07 AU - 7.77 AU

Year: 7369 Days

Day: 8.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,935,058 km

• M1: 100,979 km (0.061 R)
• M2: 490,531 km (0.111 R)
• M3: 927,956 km (0.103 R)
• M4: 1,761,814 km (0.105 R)
• M5: 2,309,941 km (0.118 R)
• M6: 3,991,720 km (0.116 R)
• M7: 4,521,596 km (0.099 R)
• M8: 5,290,828 km (0.093 R)
• M9: 6,459,038 km (0.12 R)
• M10: 7,398,063 km (0.11 R)
• M11: 8,501,946 km (0.088 R)
• M12: 11,451,418 km (0.11 R)
• M13: 12,221,697 km (0.117 R)
• M14: 13,284,740 km (0.102 R)
• M15: 14,852,226 km (0.065 R)
• M16: 22,362,039 km (0.073 R)
• M17: 25,046,124 km (0.08 R)
• M18: 26,095,404 km (0.099 R)
• M19: 27,006,006 km (0.091 R)

Planet 10 - Gas Giant

Semi-Major Axis: 8.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.1

Radius: 14.2

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 8.48 AU - 8.94 AU

Year: 11646 Days

Day: 13.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,935,058 km

• M1: 176,825 km (0.101 R)
• M2: 712,535 km (0.107 R)
• M3: 1,618,350 km (0.09 R)
• M4: 2,721,185 km (0.085 R)
• M5: 3,359,819 km (0.108 R)
• M6: 3,921,708 km (0.089 R)
• M7: 4,546,130 km (0.111 R)
• M8: 5,266,593 km (0.094 R)
• M9: 6,028,944 km (0.112 R)
• M10: 6,471,903 km (0.105 R)
• M11: 7,084,207 km (0.09 R)
• M12: 7,578,479 km (0.1 R)
• M13: 9,469,994 km (0.082 R)
• M14: 10,165,475 km (0.028 R)
• M15: 11,763,629 km (0.114 R)
• M16: 12,899,824 km (0.103 R)
• M17: 18,469,503 km (0.103 R)
• M18: 19,335,824 km (0.072 R)
• M19: 21,778,907 km (0.084 R)
• M20: 23,657,557 km (0.118 R)
• M21: 24,335,684 km (0.079 R)
• M22: 25,289,221 km (0.105 R)
• M23: 28,871,641 km (0.073 R)
• M24: 32,053,588 km (0.09 R)
• M25: 36,575,483 km (0.106 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 278 - 19,256 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit