🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.48 AU - 0.66 AU

Year: 195 Days

Day: 24.8 Hours

Environment

Temp: 0 °C

Axial Tilt: 55.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.73 AU - 0.81 AU

Year: 306 Days

Day: 44.4 Hours

Environment

Temp: -53 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,611,977 km

• M1: 112,946 km (0.088 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.77 AU - 0.85 AU

Year: 330 Days

Day: 30.6 Hours

Environment

Temp: -47 °C

Axial Tilt: 113.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,611,977 km

• M1: 131,646 km (0.113 R)

Asteroid Belt

Center: 2.31 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.4

Radius: 8.4

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.03 AU - 4.59 AU

Year: 3369 Days

Day: 10.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 111.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,611,977 km

• M1: 105,167 km (0.085 R)
• M2: 473,776 km (0.099 R)
• M3: 804,238 km (0.116 R)
• M4: 1,188,106 km (0.119 R)
• M5: 2,721,933 km (0.087 R)
• M6: 3,563,421 km (0.103 R)
• M7: 4,240,800 km (0.101 R)
• M8: 6,178,990 km (0.105 R)
• M9: 7,472,713 km (0.105 R)
• M10: 13,229,239 km (0.106 R)
• M11: 13,576,904 km (0.044 R)
• M12: 14,199,979 km (0.109 R)
• M13: 14,795,529 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.6

Radius: 12.3

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.2 AU - 4.74 AU

Year: 4281 Days

Day: 7.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,611,977 km

• M1: 153,039 km (0.112 R)
• M2: 835,055 km (0.063 R)
• M3: 1,800,111 km (0.095 R)
• M4: 2,499,780 km (0.077 R)
• M5: 3,141,705 km (0.074 R)
• M6: 4,519,202 km (0.119 R)
• M7: 11,809,406 km (0.104 R)
• M8: 12,848,662 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.7

Radius: 13

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 6.05 AU - 6.36 AU

Year: 6994 Days

Day: 6.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 69,611,977 km

• M1: 164,408 km (0.072 R)
• M2: 687,851 km (0.088 R)
• M3: 1,405,023 km (0.027 R)
• M4: 2,278,974 km (0.074 R)
• M5: 3,351,291 km (0.092 R)
• M6: 4,398,925 km (0.073 R)
• M7: 4,880,780 km (0.094 R)
• M8: 6,053,029 km (0.119 R)
• M9: 7,722,242 km (0.12 R)
• M10: 8,341,727 km (0.094 R)
• M11: 11,417,459 km (0.034 R)
• M12: 13,007,535 km (0.071 R)
• M13: 14,803,158 km (0.025 R)
• M14: 15,308,649 km (0.054 R)
• M15: 15,760,435 km (0.101 R)
• M16: 17,238,761 km (0.055 R)
• M17: 18,083,091 km (0.101 R)
• M18: 18,881,046 km (0.118 R)
• M19: 20,703,597 km (0.116 R)
• M20: 21,416,431 km (0.115 R)
• M21: 22,227,700 km (0.101 R)
• M22: 23,997,742 km (0.116 R)
• M23: 25,498,059 km (0.059 R)
• M24: 26,225,404 km (0.06 R)
• M25: 27,531,543 km (0.077 R)
• M26: 29,273,910 km (0.094 R)
• M27: 33,407,299 km (0.054 R)
• M28: 37,914,533 km (0.109 R)
• M29: 41,425,146 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.7

Radius: 7.2

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 13.43 AU - 16.71 AU

Year: 26504 Days

Day: 21.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,611,977 km

• M1: 90,656 km (0.103 R)
• M2: 1,551,180 km (0.057 R)
• M3: 2,160,642 km (0.11 R)
• M4: 4,707,995 km (0.073 R)
• M5: 5,094,555 km (0.06 R)
• M6: 6,467,116 km (0.089 R)
• M7: 7,079,719 km (0.09 R)
• M8: 7,778,192 km (0.1 R)
• M9: 8,070,057 km (0.107 R)
• M10: 9,203,710 km (0.058 R)
• M11: 14,808,095 km (0.091 R)
• M12: 16,103,762 km (0.063 R)
• M13: 16,340,127 km (0.097 R)
• M14: 20,076,932 km (0.055 R)
• M15: 20,905,854 km (0.048 R)
• M16: 21,470,885 km (0.054 R)
• M17: 21,949,598 km (0.117 R)
• M18: 23,327,843 km (0.114 R)
• M19: 26,038,706 km (0.07 R)
• M20: 27,357,860 km (0.083 R)
• M21: 30,367,919 km (0.085 R)
• M22: 31,336,715 km (0.077 R)
• M23: 37,724,993 km (0.111 R)
• M24: 40,564,360 km (0.114 R)
• M25: 41,590,751 km (0.069 R)
• M26: 47,467,105 km (0.102 R)
• M27: 49,100,714 km (0.082 R)
• M28: 55,830,225 km (0.094 R)
• M29: 59,884,776 km (0.087 R)
• M30: 64,527,097 km (0.107 R)
• M31: 67,139,076 km (0.044 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 381 - 12,019 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit