🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.47 AU - 0.71 AU

Year: 159 Days

Day: 23.2 Hours

Environment

Temp: 220 °C

Axial Tilt: 3.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.27 AU - 1.43 AU

Year: 549 Days

Day: 46.5 Hours

Environment

Temp: 18 °C

Axial Tilt: 28.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.69 AU - 2.05 AU

Year: 895 Days

Day: 40.9 Hours

Environment

Temp: -39 °C

Axial Tilt: 16.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.64 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.2

Radius: 12.5

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 6.63 AU - 8.17 AU

Year: 7042 Days

Day: 14.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,243,947 km

• M1: 155,432 km (0.076 R)
• M2: 567,425 km (0.117 R)
• M3: 2,023,012 km (0.059 R)
• M4: 2,660,897 km (0.101 R)
• M5: 3,097,574 km (0.102 R)
• M6: 4,469,236 km (0.092 R)
• M7: 6,244,664 km (0.096 R)
• M8: 7,093,931 km (0.117 R)
• M9: 9,232,732 km (0.105 R)
• M10: 10,426,822 km (0.117 R)
• M11: 11,473,857 km (0.075 R)
• M12: 13,120,332 km (0.062 R)
• M13: 14,919,096 km (0.102 R)
• M14: 15,755,648 km (0.115 R)
• M15: 17,457,174 km (0.116 R)
• M16: 17,984,207 km (0.071 R)
• M17: 24,502,486 km (0.104 R)
• M18: 25,163,409 km (0.054 R)
• M19: 31,174,700 km (0.071 R)
• M20: 33,039,288 km (0.101 R)
• M21: 33,947,946 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.9

Radius: 9

Gravity: 10.47 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 5.9 AU - 9.52 AU

Year: 7490 Days

Day: 10.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 41,243,947 km

• M1: 111,899 km (0.111 R)
• M2: 538,552 km (0.098 R)
• M3: 973,284 km (0.114 R)
• M4: 1,289,534 km (0.101 R)
• M5: 1,761,066 km (0.062 R)
• M6: 2,087,040 km (0.071 R)
• M7: 3,072,441 km (0.049 R)
• M8: 3,548,611 km (0.086 R)
• M9: 4,259,351 km (0.118 R)
• M10: 5,531,531 km (0.083 R)
• M11: 7,270,905 km (0.099 R)
• M12: 7,910,436 km (0.09 R)
• M13: 8,806,228 km (0.098 R)
• M14: 12,449,086 km (0.116 R)
• M15: 13,540,552 km (0.07 R)
• M16: 15,263,321 km (0.108 R)
• M17: 17,405,712 km (0.1 R)
• M18: 19,589,243 km (0.1 R)
• M19: 20,123,906 km (0.082 R)
• M20: 20,983,645 km (0.061 R)
• M21: 21,543,440 km (0.096 R)
• M22: 25,562,835 km (0.05 R)
• M23: 29,157,672 km (0.115 R)
• M24: 32,647,940 km (0.077 R)
• M25: 37,799,792 km (0.095 R)
• M26: 38,390,554 km (0.114 R)
• M27: 40,199,641 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555

Radius: 10.9

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 10.7 AU - 11.46 AU

Year: 12903 Days

Day: 5.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,243,947 km

• M1: 136,882 km (0.061 R)
• M2: 492,177 km (0.087 R)
• M3: 1,186,910 km (0.075 R)
• M4: 1,694,046 km (0.109 R)
• M5: 2,478,986 km (0.101 R)
• M6: 4,162,262 km (0.105 R)
• M7: 5,378,642 km (0.117 R)
• M8: 6,350,430 km (0.107 R)
• M9: 6,938,798 km (0.095 R)
• M10: 7,911,334 km (0.034 R)
• M11: 10,711,357 km (0.069 R)
• M12: 11,603,110 km (0.099 R)
• M13: 13,470,690 km (0.099 R)
• M14: 15,670,527 km (0.109 R)
• M15: 19,042,463 km (0.062 R)
• M16: 19,525,813 km (0.109 R)
• M17: 24,346,305 km (0.086 R)
• M18: 28,417,761 km (0.059 R)
• M19: 29,475,568 km (0.072 R)
• M20: 36,752,008 km (0.058 R)
• M21: 39,031,880 km (0.063 R)
• M22: 40,206,522 km (0.12 R)
• M23: 43,315,315 km (0.058 R)
• M24: 44,857,370 km (0.093 R)
• M25: 48,646,984 km (0.117 R)
• M26: 50,773,517 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.3

Radius: 9.2

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 10.6 AU - 11.64 AU

Year: 12973 Days

Day: 12 Hours

Environment

Temp: -171 °C

Axial Tilt: 167 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,243,947 km

• M1: 127,308 km (0.05 R)
• M2: 523,144 km (0.076 R)
• M3: 1,327,831 km (0.085 R)
• M4: 1,646,923 km (0.098 R)
• M5: 2,214,647 km (0.114 R)
• M6: 3,618,025 km (0.066 R)
• M7: 4,411,940 km (0.054 R)
• M8: 5,667,067 km (0.065 R)
• M9: 8,097,882 km (0.071 R)
• M10: 9,132,352 km (0.101 R)
• M11: 10,845,846 km (0.103 R)
• M12: 12,319,235 km (0.102 R)
• M13: 14,897,405 km (0.093 R)
• M14: 16,379,022 km (0.101 R)
• M15: 17,885,772 km (0.115 R)
• M16: 19,557,528 km (0.042 R)
• M17: 28,334,585 km (0.062 R)
• M18: 30,904,527 km (0.056 R)

Kuiper Belt

Range: 31.4 - 55.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 11,113 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit