🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.66 AU - 0.74 AU

Year: 208 Days

Day: 31.1 Hours

Environment

Temp: 129 °C

Axial Tilt: 35.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 38,909,047 km

• M1: 15,558 km (0.063 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.24 AU - 1.76 AU

Year: 652 Days

Day: 28.7 Hours

Environment

Temp: 1 °C

Axial Tilt: 4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.68 AU - 1.8 AU

Year: 814 Days

Day: 23.2 Hours

Environment

Temp: -42 °C

Axial Tilt: 6.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,909,047 km

• M1: 81,232 km (0.083 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.6 AU - 2.74 AU

Year: 1548 Days

Day: 21.4 Hours

Environment

Temp: -83 °C

Axial Tilt: 26.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,909,047 km

• M1: 39,494 km (0.097 R)

Asteroid Belt

Center: 4.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.8

Radius: 14.9

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 5.72 AU - 6.26 AU

Year: 5201 Days

Day: 5.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,909,047 km

• M1: 185,501 km (0.105 R)
• M2: 964,757 km (0.101 R)
• M3: 1,489,995 km (0.116 R)
• M4: 2,147,029 km (0.109 R)
• M5: 3,010,208 km (0.111 R)
• M6: 4,154,782 km (0.096 R)
• M7: 6,947,475 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137

Radius: 14.6

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 6.16 AU - 7.64 AU

Year: 6430 Days

Day: 13.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,909,047 km

• M1: 181,612 km (0.115 R)
• M2: 645,814 km (0.032 R)
• M3: 1,457,382 km (0.102 R)
• M4: 2,131,470 km (0.034 R)
• M5: 2,646,985 km (0.117 R)
• M6: 3,159,956 km (0.083 R)
• M7: 3,856,035 km (0.096 R)
• M8: 4,498,258 km (0.109 R)
• M9: 5,432,048 km (0.039 R)
• M10: 8,334,247 km (0.107 R)
• M11: 10,980,484 km (0.065 R)
• M12: 12,451,180 km (0.101 R)
• M13: 14,677,047 km (0.119 R)
• M14: 15,222,331 km (0.088 R)
• M15: 16,671,935 km (0.101 R)
• M16: 17,156,931 km (0.072 R)
• M17: 18,668,767 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.1

Radius: 12.7

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 10.69 AU - 11.21 AU

Year: 12855 Days

Day: 13.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 38,909,047 km

• M1: 158,125 km (0.104 R)
• M2: 1,024,147 km (0.087 R)
• M3: 1,604,736 km (0.065 R)
• M4: 2,746,916 km (0.078 R)
• M5: 3,970,776 km (0.044 R)
• M6: 4,401,469 km (0.068 R)
• M7: 4,992,081 km (0.105 R)
• M8: 6,486,863 km (0.106 R)
• M9: 6,964,230 km (0.111 R)
• M10: 7,990,022 km (0.117 R)
• M11: 16,219,102 km (0.073 R)
• M12: 16,730,128 km (0.106 R)
• M13: 17,402,870 km (0.119 R)
• M14: 20,025,171 km (0.103 R)
• M15: 22,809,786 km (0.066 R)
• M16: 24,771,762 km (0.115 R)
• M17: 25,450,039 km (0.117 R)
• M18: 26,340,295 km (0.115 R)
• M19: 30,329,622 km (0.114 R)
• M20: 33,869,108 km (0.1 R)
• M21: 36,791,801 km (0.06 R)
• M22: 37,548,018 km (0.046 R)
• M23: 40,143,691 km (0.071 R)
• M24: 44,684,435 km (0.084 R)
• M25: 50,478,959 km (0.064 R)
• M26: 52,675,654 km (0.08 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670

Radius: 15

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 11.36 AU - 13.02 AU

Year: 15099 Days

Day: 11.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 38,909,047 km

• M1: 186,698 km (0.116 R)
• M2: 946,207 km (0.092 R)
• M3: 1,571,825 km (0.106 R)
• M4: 2,082,702 km (0.068 R)
• M5: 2,618,860 km (0.113 R)
• M6: 3,890,143 km (0.11 R)
• M7: 4,489,582 km (0.103 R)
• M8: 5,220,218 km (0.118 R)
• M9: 6,067,690 km (0.1 R)
• M10: 7,990,920 km (0.063 R)
• M11: 9,693,792 km (0.081 R)
• M12: 14,012,533 km (0.025 R)
• M13: 15,872,633 km (0.076 R)
• M14: 16,940,164 km (0.089 R)
• M15: 17,651,202 km (0.054 R)
• M16: 18,964,672 km (0.071 R)
• M17: 20,079,026 km (0.096 R)
• M18: 23,296,577 km (0.078 R)
• M19: 23,880,757 km (0.045 R)
• M20: 25,078,587 km (0.108 R)
• M21: 25,795,610 km (0.044 R)
• M22: 32,514,200 km (0.077 R)
• M23: 39,484,563 km (0.052 R)
• M24: 41,158,563 km (0.084 R)
• M25: 43,905,180 km (0.06 R)
• M26: 52,875,966 km (0.074 R)
• M27: 54,566,422 km (0.062 R)
• M28: 56,993,198 km (0.072 R)
• M29: 62,621,519 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 589.6

Radius: 5.7

Gravity: 18.15 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 13.58 AU - 19.26 AU

Year: 23605 Days

Day: 21.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 38,909,047 km

• M1: 71,059 km (0.09 R)
• M2: 440,267 km (0.092 R)
• M3: 840,441 km (0.086 R)
• M4: 1,105,678 km (0.079 R)
• M5: 1,660,536 km (0.107 R)
• M6: 5,278,561 km (0.116 R)
• M7: 5,515,823 km (0.035 R)
• M8: 6,764,517 km (0.096 R)
• M9: 7,235,750 km (0.108 R)
• M10: 8,402,464 km (0.08 R)
• M11: 8,726,343 km (0.114 R)
• M12: 12,787,925 km (0.082 R)
• M13: 13,361,633 km (0.029 R)
• M14: 15,747,121 km (0.085 R)
• M15: 18,765,258 km (0.058 R)
• M16: 19,978,048 km (0.113 R)
• M17: 20,555,047 km (0.026 R)
• M18: 23,395,312 km (0.087 R)
• M19: 24,470,023 km (0.119 R)
• M20: 26,143,125 km (0.053 R)
• M21: 26,601,942 km (0.046 R)
• M22: 29,344,370 km (0.07 R)
• M23: 32,532,899 km (0.091 R)
• M24: 39,138,393 km (0.099 R)
• M25: 49,319,426 km (0.039 R)
• M26: 59,932,946 km (0.091 R)
• M27: 65,452,210 km (0.12 R)
• M28: 74,466,080 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 20.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 34.8

Radius: 6.1

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 18.51 AU - 22.09 AU

Year: 32448 Days

Day: 22.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,909,047 km

• M1: 77,043 km (0.083 R)
• M2: 342,280 km (0.046 R)
• M3: 1,312,871 km (0.039 R)
• M4: 1,712,447 km (0.112 R)
• M5: 2,561,116 km (0.12 R)
• M6: 4,424,357 km (0.093 R)
• M7: 6,466,518 km (0.108 R)
• M8: 20,713,471 km (0.107 R)
• M9: 23,174,805 km (0.067 R)
• M10: 27,359,805 km (0.03 R)
• M11: 28,009,509 km (0.118 R)
• M12: 33,160,612 km (0.111 R)
• M13: 33,370,498 km (0.097 R)

Kuiper Belt

Range: 30.9 - 54.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 367 - 14,317 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit