🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.43 AU - 0.59 AU

Year: 138 Days

Day: 35.4 Hours

Environment

Temp: 165 °C

Axial Tilt: 27.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 68,688,132 km

• M1: 55,650 km (0.09 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.69 AU - 1.11 AU

Year: 323 Days

Day: 34.2 Hours

Environment

Temp: 14 °C

Axial Tilt: 33.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.73 AU - 1.17 AU

Year: 351 Days

Day: 18.2 Hours

Environment

Temp: 25 °C

Axial Tilt: 6.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.59 AU - 2.41 AU

Year: 1071 Days

Day: 47.7 Hours

Environment

Temp: -77 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,688,132 km

• M1: 299,645 km (0.049 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.1 AU - 3.46 AU

Year: 2250 Days

Day: 40 Hours

Environment

Temp: -125 °C

Axial Tilt: 20 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.2

Radius: 8.4

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.35 AU - 4.97 AU

Year: 3810 Days

Day: 10.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,688,132 km

• M1: 105,616 km (0.116 R)
• M2: 426,354 km (0.069 R)
• M3: 751,281 km (0.081 R)
• M4: 1,090,718 km (0.107 R)
• M5: 1,531,733 km (0.101 R)
• M6: 2,804,212 km (0.07 R)
• M7: 4,277,901 km (0.047 R)
• M8: 5,086,477 km (0.038 R)
• M9: 5,476,928 km (0.065 R)
• M10: 5,756,975 km (0.038 R)
• M11: 6,019,968 km (0.117 R)
• M12: 6,485,217 km (0.085 R)
• M13: 7,122,953 km (0.095 R)
• M14: 7,457,005 km (0.075 R)
• M15: 9,797,763 km (0.118 R)
• M16: 10,135,405 km (0.081 R)
• M17: 10,636,857 km (0.109 R)
• M18: 12,197,911 km (0.079 R)
• M19: 14,237,229 km (0.109 R)
• M20: 18,576,764 km (0.114 R)
• M21: 19,979,095 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.8

Radius: 13.6

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 4.09 AU - 6.27 AU

Year: 4465 Days

Day: 14.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,688,132 km

• M1: 171,589 km (0.114 R)
• M2: 699,220 km (0.08 R)
• M3: 1,266,196 km (0.089 R)
• M4: 1,925,923 km (0.089 R)
• M5: 3,103,258 km (0.084 R)
• M6: 3,536,045 km (0.106 R)
• M7: 3,966,737 km (0.111 R)
• M8: 4,455,623 km (0.083 R)
• M9: 4,910,251 km (0.09 R)
• M10: 5,610,070 km (0.108 R)
• M11: 8,045,373 km (0.111 R)
• M12: 8,469,184 km (0.093 R)
• M13: 9,057,403 km (0.046 R)
• M14: 10,112,068 km (0.107 R)
• M15: 10,987,664 km (0.116 R)
• M16: 13,471,887 km (0.054 R)
• M17: 13,919,783 km (0.043 R)
• M18: 14,740,477 km (0.11 R)
• M19: 15,269,604 km (0.065 R)
• M20: 16,478,654 km (0.113 R)
• M21: 16,933,731 km (0.05 R)
• M22: 20,423,849 km (0.099 R)
• M23: 22,164,720 km (0.079 R)
• M24: 23,713,506 km (0.074 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.5

Radius: 13.9

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 6.85 AU - 7.81 AU

Year: 7516 Days

Day: 6.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,688,132 km

• M1: 174,730 km (0.073 R)
• M2: 675,135 km (0.091 R)
• M3: 1,376,600 km (0.035 R)
• M4: 2,230,355 km (0.113 R)
• M5: 2,761,427 km (0.109 R)
• M6: 3,530,061 km (0.064 R)
• M7: 5,390,161 km (0.033 R)
• M8: 7,085,404 km (0.119 R)
• M9: 9,263,549 km (0.085 R)
• M10: 12,867,062 km (0.119 R)
• M11: 20,881,768 km (0.059 R)
• M12: 22,560,107 km (0.056 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 220.5

Radius: 3.1

Gravity: 22.94 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 16.82 AU - 20.26 AU

Year: 30235 Days

Day: 23.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,688,132 km

• M1: 38,596 km (0.051 R)
• M2: 769,531 km (0.106 R)
• M3: 918,082 km (0.095 R)
• M4: 1,855,313 km (0.107 R)
• M5: 2,309,193 km (0.098 R)
• M6: 3,865,310 km (0.076 R)
• M7: 4,269,374 km (0.08 R)
• M8: 6,852,181 km (0.076 R)
• M9: 7,165,888 km (0.053 R)
• M10: 9,470,144 km (0.078 R)
• M11: 13,852,912 km (0.078 R)
• M12: 15,240,732 km (0.066 R)
• M13: 16,558,540 km (0.117 R)
• M14: 17,204,204 km (0.113 R)
• M15: 18,717,985 km (0.108 R)
• M16: 19,153,763 km (0.091 R)
• M17: 19,685,434 km (0.1 R)
• M18: 19,864,952 km (0.045 R)
• M19: 22,985,114 km (0.089 R)
• M20: 26,307,833 km (0.092 R)
• M21: 32,366,397 km (0.115 R)
• M22: 34,143,171 km (0.105 R)
• M23: 38,028,377 km (0.106 R)
• M24: 38,726,700 km (0.107 R)
• M25: 56,513,588 km (0.108 R)
• M26: 65,246,214 km (0.105 R)
• M27: 66,045,515 km (0.071 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 459 - 19,081 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit