🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.94 AU - 1.04 AU

Year: 363 Days

Day: 45.9 Hours

Environment

Temp: 31 °C

Axial Tilt: 28.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.06 AU - 1.06 AU

Year: 403 Days

Day: 23 Hours

Environment

Temp: 6 °C

Axial Tilt: 37.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.18 AU - 1.32 AU

Year: 516 Days

Day: 46.8 Hours

Environment

Temp: 3 °C

Axial Tilt: 45.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.18 AU - 2.26 AU

Year: 1220 Days

Day: 46.2 Hours

Environment

Temp: -80 °C

Axial Tilt: 41.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.04 AU - 4.36 AU

Year: 2626 Days

Day: 47.6 Hours

Environment

Temp: -122 °C

Axial Tilt: 47.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 22,355,496 km

• M1: 3,241,337 km (0.119 R)

Asteroid Belt

Center: 4.2 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.9

Radius: 12.4

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.08 AU - 5.32 AU

Year: 3759 Days

Day: 8.3 Hours

Environment

Temp: -130 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 22,355,496 km

• M1: 154,235 km (0.096 R)
• M2: 660,475 km (0.061 R)
• M3: 1,254,677 km (0.115 R)
• M4: 2,008,950 km (0.055 R)
• M5: 2,562,312 km (0.114 R)
• M6: 3,254,202 km (0.116 R)
• M7: 4,558,846 km (0.045 R)
• M8: 5,249,090 km (0.082 R)
• M9: 5,833,270 km (0.037 R)
• M10: 6,398,750 km (0.099 R)
• M11: 9,429,752 km (0.093 R)
• M12: 10,210,354 km (0.071 R)
• M13: 12,183,550 km (0.078 R)
• M14: 13,462,612 km (0.055 R)
• M15: 14,992,699 km (0.115 R)
• M16: 16,402,210 km (0.106 R)
• M17: 17,714,183 km (0.119 R)
• M18: 20,411,283 km (0.093 R)
• M19: 21,229,733 km (0.07 R)
• M20: 22,714,342 km (0.11 R)
• M21: 23,224,321 km (0.12 R)
• M22: 25,340,982 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.1

Radius: 12.9

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.36 AU - 5.42 AU

Year: 3990 Days

Day: 7.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 22,355,496 km

• M1: 160,369 km (0.046 R)
• M2: 722,408 km (0.119 R)
• M3: 1,601,296 km (0.112 R)
• M4: 2,551,840 km (0.093 R)
• M5: 3,070,048 km (0.035 R)
• M6: 3,616,828 km (0.104 R)
• M7: 4,534,760 km (0.04 R)
• M8: 5,220,218 km (0.043 R)
• M9: 5,743,361 km (0.113 R)
• M10: 6,392,616 km (0.111 R)
• M11: 6,830,788 km (0.107 R)
• M12: 7,457,903 km (0.114 R)
• M13: 8,086,962 km (0.038 R)
• M14: 11,686,885 km (0.088 R)
• M15: 12,106,806 km (0.115 R)
• M16: 14,466,413 km (0.06 R)
• M17: 14,896,657 km (0.101 R)
• M18: 15,335,427 km (0.119 R)
• M19: 17,478,267 km (0.059 R)
• M20: 20,144,700 km (0.119 R)
• M21: 22,565,193 km (0.065 R)
• M22: 25,019,496 km (0.117 R)
• M23: 26,751,390 km (0.044 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.2

Radius: 12.4

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.7 AU - 6.56 AU

Year: 4929 Days

Day: 14.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 22,355,496 km

• M1: 155,283 km (0.078 R)
• M2: 829,520 km (0.114 R)
• M3: 1,358,498 km (0.077 R)
• M4: 1,886,130 km (0.092 R)
• M5: 2,533,440 km (0.085 R)
• M6: 2,962,038 km (0.081 R)
• M7: 4,365,116 km (0.116 R)
• M8: 4,837,696 km (0.091 R)
• M9: 5,318,354 km (0.078 R)
• M10: 5,858,701 km (0.083 R)
• M11: 6,585,597 km (0.11 R)
• M12: 7,241,734 km (0.111 R)
• M13: 8,432,084 km (0.115 R)
• M14: 9,055,458 km (0.112 R)
• M15: 9,827,832 km (0.077 R)
• M16: 11,154,765 km (0.057 R)
• M17: 11,592,937 km (0.073 R)
• M18: 12,691,734 km (0.086 R)
• M19: 16,016,247 km (0.115 R)
• M20: 17,671,697 km (0.087 R)
• M21: 22,686,816 km (0.097 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.5

Radius: 14.2

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 9 AU - 12.26 AU

Year: 12787 Days

Day: 6.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,355,496 km

• M1: 176,525 km (0.101 R)
• M2: 793,617 km (0.115 R)
• M3: 1,596,060 km (0.083 R)
• M4: 3,727,530 km (0.096 R)
• M5: 7,027,958 km (0.077 R)
• M6: 12,271,663 km (0.1 R)
• M7: 15,970,620 km (0.117 R)
• M8: 20,356,081 km (0.119 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 284 - 17,578 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit