🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.46 AU - 0.68 AU

Year: 158 Days

Day: 39.4 Hours

Environment

Temp: 182 °C

Axial Tilt: 12.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.56 AU - 0.76 AU

Year: 197 Days

Day: 46.1 Hours

Environment

Temp: 130 °C

Axial Tilt: 18.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.68 AU - 0.92 AU

Year: 263 Days

Day: 32.3 Hours

Environment

Temp: 97 °C

Axial Tilt: 37.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1 AU - 1.26 AU

Year: 441 Days

Day: 35.7 Hours

Environment

Temp: -1 °C

Axial Tilt: 105.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 77,750,215 km

• M1: 36,203 km (0.105 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.48

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.61 AU - 1.65 AU

Year: 764 Days

Day: 46.3 Hours

Environment

Temp: -51 °C

Axial Tilt: 8.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.58 AU - 1.88 AU

Year: 835 Days

Day: 34.6 Hours

Environment

Temp: -47 °C

Axial Tilt: 20.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.7

Radius: 9.8

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 6.84 AU - 8.26 AU

Year: 7615 Days

Day: 10 Hours

Environment

Temp: -173 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,750,215 km

• M1: 122,371 km (0.113 R)
• M2: 457,470 km (0.088 R)
• M3: 1,632,262 km (0.115 R)
• M4: 2,085,544 km (0.049 R)
• M5: 2,496,788 km (0.05 R)
• M6: 3,755,804 km (0.118 R)
• M7: 6,242,121 km (0.115 R)
• M8: 6,818,671 km (0.094 R)
• M9: 7,730,769 km (0.116 R)
• M10: 8,888,208 km (0.116 R)
• M11: 9,227,047 km (0.103 R)
• M12: 10,388,076 km (0.113 R)
• M13: 13,825,536 km (0.047 R)
• M14: 14,982,975 km (0.068 R)
• M15: 16,774,409 km (0.099 R)
• M16: 19,402,694 km (0.101 R)
• M17: 20,336,634 km (0.088 R)
• M18: 20,703,747 km (0.116 R)
• M19: 22,841,800 km (0.073 R)
• M20: 23,318,418 km (0.103 R)
• M21: 25,545,931 km (0.113 R)
• M22: 28,001,879 km (0.107 R)
• M23: 28,915,772 km (0.098 R)

Asteroid Belt

Center: 8.27 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.8

Radius: 12.4

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 8.41 AU - 9.55 AU

Year: 9878 Days

Day: 11.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,750,215 km

• M1: 160,668 km (0.116 R)
• M2: 558,898 km (0.106 R)
• M3: 1,228,498 km (0.064 R)
• M4: 1,706,014 km (0.117 R)
• M5: 2,538,077 km (0.118 R)
• M6: 3,185,088 km (0.108 R)
• M7: 3,590,498 km (0.101 R)
• M8: 5,062,990 km (0.109 R)
• M9: 13,632,405 km (0.118 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.8

Radius: 8.7

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 7.84 AU - 12.6 AU

Year: 11994 Days

Day: 7.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,750,215 km

• M1: 110,104 km (0.053 R)
• M2: 530,923 km (0.107 R)
• M3: 825,182 km (0.075 R)
• M4: 1,197,381 km (0.068 R)
• M5: 1,624,034 km (0.079 R)
• M6: 2,663,740 km (0.074 R)
• M7: 4,946,603 km (0.09 R)
• M8: 5,255,373 km (0.048 R)
• M9: 7,308,006 km (0.099 R)
• M10: 10,995,892 km (0.108 R)
• M11: 11,416,562 km (0.118 R)
• M12: 11,848,002 km (0.12 R)
• M13: 13,503,751 km (0.11 R)
• M14: 14,480,625 km (0.105 R)
• M15: 16,033,002 km (0.098 R)
• M16: 16,711,578 km (0.119 R)
• M17: 20,315,989 km (0.071 R)
• M18: 22,257,321 km (0.087 R)
• M19: 24,674,673 km (0.114 R)
• M20: 38,333,856 km (0.105 R)
• M21: 38,694,836 km (0.105 R)
• M22: 43,075,809 km (0.104 R)
• M23: 43,596,559 km (0.088 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 437.7

Radius: 5.8

Gravity: 13.01 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 13.2 AU - 20.9 AU

Year: 25844 Days

Day: 22.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 77,750,215 km

• M1: 72,705 km (0.104 R)
• M2: 271,819 km (0.072 R)
• M3: 604,974 km (0.043 R)
• M4: 844,181 km (0.06 R)
• M5: 1,501,364 km (0.035 R)
• M6: 2,046,050 km (0.06 R)
• M7: 4,234,368 km (0.11 R)
• M8: 4,787,132 km (0.092 R)
• M9: 4,969,342 km (0.082 R)
• M10: 6,422,087 km (0.059 R)
• M11: 7,781,932 km (0.094 R)
• M12: 10,868,734 km (0.054 R)
• M13: 14,916,703 km (0.061 R)
• M14: 15,306,555 km (0.048 R)
• M15: 18,406,372 km (0.105 R)
• M16: 19,310,841 km (0.1 R)
• M17: 20,819,236 km (0.116 R)
• M18: 21,110,504 km (0.088 R)
• M19: 22,201,820 km (0.097 R)
• M20: 25,479,360 km (0.044 R)
• M21: 27,639,703 km (0.079 R)
• M22: 28,824,368 km (0.067 R)
• M23: 29,186,245 km (0.087 R)
• M24: 34,170,996 km (0.076 R)
• M25: 35,534,730 km (0.098 R)
• M26: 39,992,597 km (0.111 R)
• M27: 42,901,378 km (0.082 R)
• M28: 44,648,232 km (0.113 R)
• M29: 45,457,707 km (0.066 R)
• M30: 51,223,358 km (0.066 R)
• M31: 52,647,530 km (0.052 R)
• M32: 54,648,401 km (0.085 R)
• M33: 64,796,373 km (0.104 R)
• M34: 73,406,179 km (0.068 R)
• M35: 74,760,040 km (0.112 R)
• M36: 76,360,438 km (0.078 R)
• M37: 77,285,102 km (0.107 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: 464 - 14,731 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit