🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.65 AU - 0.77 AU

Year: 215 Days

Day: 17.8 Hours

Environment

Temp: 200 °C

Axial Tilt: 1.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 91,955,460 km

• M1: 101,727 km (0.043 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.95 AU - 1.59 AU

Year: 515 Days

Day: 26.4 Hours

Environment

Temp: 4 °C

Axial Tilt: 41.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.33 AU - 3.35 AU

Year: 1722 Days

Day: 15 Hours

Environment

Temp: -85 °C

Axial Tilt: 7.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.04 AU - 3.08 AU

Year: 1926 Days

Day: 28.2 Hours

Environment

Temp: -93 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 91,955,460 km

• M1: 831,016 km (0.096 R)

Asteroid Belt

Center: 6.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.1

Radius: 13.6

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 8.71 AU - 11.23 AU

Year: 11330 Days

Day: 8 Hours

Environment

Temp: -174 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 91,955,460 km

• M1: 169,195 km (0.101 R)
• M2: 772,972 km (0.07 R)
• M3: 1,293,124 km (0.089 R)
• M4: 2,114,716 km (0.073 R)
• M5: 2,576,973 km (0.116 R)
• M6: 3,085,606 km (0.099 R)
• M7: 3,588,404 km (0.107 R)
• M8: 4,307,970 km (0.035 R)
• M9: 5,277,663 km (0.053 R)
• M10: 6,941,940 km (0.112 R)
• M11: 7,936,466 km (0.074 R)
• M12: 10,558,019 km (0.096 R)
• M13: 11,071,290 km (0.046 R)
• M14: 12,541,238 km (0.111 R)
• M15: 13,893,005 km (0.071 R)
• M16: 14,698,888 km (0.064 R)
• M17: 15,274,840 km (0.05 R)
• M18: 15,999,343 km (0.083 R)
• M19: 19,279,874 km (0.102 R)
• M20: 21,482,853 km (0.103 R)
• M21: 22,984,815 km (0.105 R)
• M22: 23,674,461 km (0.11 R)
• M23: 24,734,662 km (0.11 R)
• M24: 27,140,195 km (0.11 R)
• M25: 33,279,842 km (0.077 R)
• M26: 34,497,867 km (0.07 R)
• M27: 35,745,364 km (0.069 R)
• M28: 37,376,430 km (0.099 R)
• M29: 38,450,692 km (0.119 R)
• M30: 42,181,064 km (0.085 R)
• M31: 43,215,085 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.5

Radius: 11.3

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 10.46 AU - 12.24 AU

Year: 13761 Days

Day: 6 Hours

Environment

Temp: -179 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 91,955,460 km

• M1: 140,472 km (0.067 R)
• M2: 613,052 km (0.105 R)
• M3: 1,161,927 km (0.05 R)
• M4: 3,876,829 km (0.109 R)
• M5: 5,060,597 km (0.103 R)
• M6: 6,408,922 km (0.096 R)
• M7: 8,574,202 km (0.073 R)
• M8: 11,834,239 km (0.067 R)
• M9: 12,310,858 km (0.097 R)
• M10: 18,752,542 km (0.097 R)
• M11: 19,139,701 km (0.066 R)
• M12: 20,880,123 km (0.068 R)
• M13: 22,578,208 km (0.084 R)
• M14: 24,137,916 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939.7

Radius: 7.8

Gravity: 15.45 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 14.3 AU - 15.22 AU

Year: 20408 Days

Day: 25 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 91,955,460 km

• M1: 96,939 km (0.096 R)
• M2: 434,582 km (0.098 R)
• M3: 1,386,772 km (0.078 R)
• M4: 1,781,711 km (0.104 R)
• M5: 2,316,822 km (0.111 R)
• M6: 2,646,985 km (0.086 R)
• M7: 3,673,226 km (0.035 R)
• M8: 4,090,455 km (0.105 R)
• M9: 4,362,723 km (0.111 R)
• M10: 4,943,611 km (0.076 R)
• M11: 8,001,242 km (0.103 R)
• M12: 10,668,273 km (0.12 R)
• M13: 11,054,983 km (0.089 R)
• M14: 12,696,222 km (0.105 R)
• M15: 13,425,661 km (0.094 R)
• M16: 14,337,610 km (0.088 R)
• M17: 14,888,279 km (0.087 R)
• M18: 22,534,825 km (0.083 R)
• M19: 22,958,187 km (0.107 R)
• M20: 27,129,275 km (0.068 R)
• M21: 31,252,641 km (0.099 R)
• M22: 32,580,172 km (0.104 R)
• M23: 34,922,426 km (0.039 R)
• M24: 39,021,258 km (0.087 R)
• M25: 42,137,980 km (0.109 R)
• M26: 50,107,508 km (0.1 R)
• M27: 50,828,719 km (0.056 R)
• M28: 53,595,382 km (0.103 R)
• M29: 56,072,872 km (0.073 R)
• M30: 57,045,857 km (0.111 R)
• M31: 59,627,916 km (0.101 R)
• M32: 64,598,006 km (0.048 R)
• M33: 65,452,210 km (0.108 R)
• M34: 73,947,424 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 769.5

Radius: 5.6

Gravity: 24.54 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 14.64 AU - 19.22 AU

Year: 25070 Days

Day: 18.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 91,955,460 km

• M1: 70,012 km (0.115 R)
• M2: 367,562 km (0.081 R)
• M3: 562,039 km (0.106 R)
• M4: 1,102,387 km (0.101 R)
• M5: 1,799,064 km (0.11 R)
• M6: 2,676,755 km (0.089 R)
• M7: 3,080,519 km (0.099 R)
• M8: 3,745,183 km (0.115 R)
• M9: 4,043,182 km (0.102 R)
• M10: 5,819,058 km (0.09 R)
• M11: 6,218,933 km (0.107 R)
• M12: 6,495,689 km (0.096 R)
• M13: 7,073,586 km (0.115 R)
• M14: 8,276,353 km (0.075 R)
• M15: 10,359,054 km (0.102 R)
• M16: 10,813,832 km (0.109 R)
• M17: 19,620,808 km (0.041 R)
• M18: 20,823,575 km (0.059 R)
• M19: 21,968,597 km (0.082 R)
• M20: 22,936,196 km (0.115 R)
• M21: 26,247,096 km (0.094 R)
• M22: 31,182,928 km (0.051 R)
• M23: 32,817,883 km (0.106 R)
• M24: 38,370,657 km (0.107 R)
• M25: 38,833,962 km (0.094 R)
• M26: 42,018,601 km (0.079 R)
• M27: 49,446,135 km (0.111 R)
• M28: 51,104,129 km (0.092 R)
• M29: 55,312,466 km (0.086 R)
• M30: 62,474,016 km (0.075 R)
• M31: 63,976,876 km (0.047 R)
• M32: 65,723,581 km (0.047 R)
• M33: 69,540,720 km (0.034 R)
• M34: 77,859,259 km (0.12 R)
• M35: 82,898,164 km (0.12 R)
• M36: 86,287,304 km (0.108 R)
• M37: 89,767,848 km (0.079 R)

Kuiper Belt

Range: 30.5 - 59.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 13,549 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit