🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.75 AU - 1.21 AU

Year: 374 Days

Day: 23.4 Hours

Environment

Temp: 10 °C

Axial Tilt: 1.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.85 AU - 1.27 AU

Year: 420 Days

Day: 25.3 Hours

Environment

Temp: 7 °C

Axial Tilt: 25.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 87,364,766 km

• M1: 44,730 km (0.115 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.99 AU - 1.23 AU

Year: 450 Days

Day: 40.9 Hours

Environment

Temp: -1 °C

Axial Tilt: 20.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 87,364,766 km

• M1: 422,764 km (0.097 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.92 AU - 3.04 AU

Year: 1981 Days

Day: 37.5 Hours

Environment

Temp: -108 °C

Axial Tilt: 80 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 87,364,766 km

• M1: 27,227 km (0.104 R)
• M2: 118,182 km (0.076 R)

Asteroid Belt

Center: 7 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 11.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600

Radius: 12.6

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 9.55 AU - 12.47 AU

Year: 14065 Days

Day: 5 Hours

Environment

Temp: -191 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 87,364,766 km

• M1: 156,779 km (0.049 R)
• M2: 602,431 km (0.105 R)
• M3: 1,514,080 km (0.102 R)
• M4: 2,020,469 km (0.101 R)
• M5: 2,948,724 km (0.106 R)
• M6: 3,749,222 km (0.119 R)
• M7: 5,458,826 km (0.071 R)
• M8: 6,155,952 km (0.089 R)
• M9: 7,639,365 km (0.096 R)
• M10: 10,845,846 km (0.055 R)
• M11: 13,189,147 km (0.119 R)
• M12: 14,858,061 km (0.072 R)
• M13: 19,265,663 km (0.104 R)
• M14: 19,850,590 km (0.112 R)
• M15: 20,275,598 km (0.116 R)
• M16: 21,766,341 km (0.078 R)
• M17: 23,423,287 km (0.092 R)
• M18: 23,993,853 km (0.102 R)
• M19: 24,671,082 km (0.06 R)
• M20: 26,165,565 km (0.089 R)
• M21: 26,779,814 km (0.098 R)
• M22: 29,334,048 km (0.047 R)
• M23: 32,514,349 km (0.077 R)
• M24: 34,676,188 km (0.105 R)
• M25: 35,417,595 km (0.113 R)
• M26: 38,358,091 km (0.115 R)
• M27: 41,873,940 km (0.107 R)
• M28: 47,845,887 km (0.06 R)
• M29: 53,046,956 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 865.3

Radius: 7.4

Gravity: 15.8 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 14.99 AU - 15.02 AU

Year: 22367 Days

Day: 15 Hours

Environment

Temp: -206 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 87,364,766 km

• M1: 111,151 km (0.119 R)
• M2: 634,594 km (0.114 R)
• M3: 900,280 km (0.079 R)
• M4: 1,285,495 km (0.098 R)
• M5: 1,577,210 km (0.045 R)
• M6: 4,119,925 km (0.096 R)
• M7: 6,238,231 km (0.065 R)
• M8: 9,283,146 km (0.065 R)
• M9: 13,123,024 km (0.107 R)
• M10: 15,890,136 km (0.081 R)
• M11: 17,906,416 km (0.043 R)
• M12: 18,552,530 km (0.115 R)
• M13: 22,759,371 km (0.096 R)
• M14: 28,050,947 km (0.054 R)
• M15: 29,174,128 km (0.105 R)
• M16: 29,427,696 km (0.072 R)
• M17: 32,723,487 km (0.073 R)
• M18: 36,550,350 km (0.088 R)
• M19: 38,953,490 km (0.102 R)
• M20: 39,725,565 km (0.114 R)
• M21: 41,300,232 km (0.087 R)
• M22: 43,408,814 km (0.096 R)
• M23: 43,739,575 km (0.034 R)
• M24: 44,910,029 km (0.072 R)
• M25: 49,801,580 km (0.109 R)
• M26: 53,695,014 km (0.061 R)
• M27: 58,588,959 km (0.055 R)
• M28: 62,501,242 km (0.083 R)
• M29: 64,199,328 km (0.096 R)
• M30: 66,803,827 km (0.072 R)
• M31: 67,909,505 km (0.055 R)
• M32: 78,415,464 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 449.9

Radius: 3.9

Gravity: 29.58 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 16.73 AU - 20.05 AU

Year: 30363 Days

Day: 21.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 87,364,766 km

• M1: 49,367 km (0.069 R)
• M2: 399,426 km (0.106 R)
• M3: 1,069,774 km (0.119 R)
• M4: 2,501,576 km (0.065 R)
• M5: 2,990,910 km (0.085 R)
• M6: 3,602,915 km (0.063 R)
• M7: 14,814,827 km (0.086 R)
• M8: 15,880,861 km (0.071 R)
• M9: 16,561,681 km (0.12 R)
• M10: 23,261,272 km (0.035 R)
• M11: 24,249,815 km (0.087 R)
• M12: 25,037,597 km (0.087 R)
• M13: 27,382,544 km (0.101 R)
• M14: 29,614,544 km (0.084 R)
• M15: 30,514,375 km (0.041 R)
• M16: 32,911,532 km (0.088 R)
• M17: 33,460,705 km (0.118 R)
• M18: 34,860,493 km (0.047 R)
• M19: 35,287,894 km (0.116 R)
• M20: 35,431,208 km (0.039 R)
• M21: 45,090,593 km (0.118 R)
• M22: 50,700,065 km (0.113 R)
• M23: 50,882,574 km (0.066 R)
• M24: 52,730,856 km (0.073 R)
• M25: 53,671,677 km (0.075 R)
• M26: 66,282,329 km (0.117 R)
• M27: 66,719,005 km (0.114 R)
• M28: 68,707,908 km (0.04 R)
• M29: 73,035,924 km (0.06 R)
• M30: 74,911,283 km (0.046 R)
• M31: 75,860,931 km (0.05 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 155 - 19,413 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit