🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.98 AU - 1.44 AU

Year: 481 Days

Day: 36.5 Hours

Environment

Temp: -3 °C

Axial Tilt: 13.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.39 AU - 1.63 AU

Year: 671 Days

Day: 38.6 Hours

Environment

Temp: -42 °C

Axial Tilt: 42.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.26 AU - 1.94 AU

Year: 732 Days

Day: 40.9 Hours

Environment

Temp: -50 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,304,538 km

• M1: 267,331 km (0.089 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.81 AU - 2.15 AU

Year: 1008 Days

Day: 23.4 Hours

Environment

Temp: -65 °C

Axial Tilt: 13.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,304,538 km

• M1: 151,692 km (0.111 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.15 AU - 3.21 AU

Year: 1587 Days

Day: 43.6 Hours

Environment

Temp: -100 °C

Axial Tilt: 14.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,304,538 km

• M1: 1,629,869 km (0.066 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.53 AU - 3.79 AU

Year: 2532 Days

Day: 20.1 Hours

Environment

Temp: -125 °C

Axial Tilt: 11.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.8

Radius: 9

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.5 AU - 5.62 AU

Year: 4116 Days

Day: 5.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 34,304,538 km

• M1: 111,899 km (0.094 R)
• M2: 493,374 km (0.082 R)
• M3: 967,749 km (0.103 R)
• M4: 1,479,523 km (0.097 R)
• M5: 1,931,009 km (0.049 R)
• M6: 2,230,654 km (0.1 R)
• M7: 2,827,250 km (0.096 R)
• M8: 3,359,669 km (0.063 R)
• M9: 3,698,658 km (0.118 R)
• M10: 4,039,741 km (0.093 R)
• M11: 4,557,050 km (0.068 R)
• M12: 5,045,487 km (0.054 R)
• M13: 5,882,936 km (0.1 R)
• M14: 7,262,827 km (0.102 R)
• M15: 9,023,893 km (0.075 R)
• M16: 10,648,676 km (0.114 R)
• M17: 11,763,479 km (0.117 R)
• M18: 12,108,152 km (0.11 R)
• M19: 13,275,614 km (0.06 R)
• M20: 14,913,262 km (0.098 R)
• M21: 15,937,260 km (0.037 R)
• M22: 16,520,093 km (0.098 R)
• M23: 17,062,086 km (0.109 R)
• M24: 17,560,097 km (0.116 R)
• M25: 20,196,610 km (0.064 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.8

Radius: 10.6

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 7.54 AU - 8.54 AU

Year: 8245 Days

Day: 5.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,304,538 km

• M1: 133,142 km (0.118 R)
• M2: 740,210 km (0.074 R)
• M3: 1,130,062 km (0.112 R)
• M4: 1,469,500 km (0.094 R)
• M5: 1,919,041 km (0.114 R)
• M6: 2,696,053 km (0.101 R)
• M7: 3,627,748 km (0.036 R)
• M8: 5,160,528 km (0.081 R)
• M9: 5,552,923 km (0.071 R)
• M10: 8,043,130 km (0.118 R)
• M11: 8,845,124 km (0.085 R)
• M12: 9,657,739 km (0.072 R)
• M13: 10,608,135 km (0.039 R)
• M14: 12,594,346 km (0.05 R)
• M15: 13,256,316 km (0.101 R)
• M16: 15,268,108 km (0.092 R)
• M17: 23,871,482 km (0.117 R)
• M18: 25,604,124 km (0.104 R)
• M19: 28,878,971 km (0.097 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.2

Radius: 13.9

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 7.73 AU - 8.83 AU

Year: 8617 Days

Day: 13.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,304,538 km

• M1: 173,234 km (0.072 R)
• M2: 732,132 km (0.115 R)
• M3: 1,280,857 km (0.061 R)
• M4: 2,090,481 km (0.068 R)
• M5: 3,001,831 km (0.105 R)
• M6: 3,994,862 km (0.111 R)
• M7: 5,341,093 km (0.064 R)
• M8: 6,460,534 km (0.067 R)
• M9: 9,808,235 km (0.098 R)
• M10: 11,930,281 km (0.092 R)
• M11: 20,115,229 km (0.083 R)
• M12: 31,227,658 km (0.105 R)
• M13: 33,290,762 km (0.114 R)

Kuiper Belt

Range: 30.3 - 56.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 320 - 14,124 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit