🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.67 AU - 0.69 AU

Year: 207 Days

Day: 37.7 Hours

Environment

Temp: 145 °C

Axial Tilt: 33.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 70,827,300 km

• M1: 60,288 km (0.11 R)
• M2: 562,638 km (0.063 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.17 AU - 1.77 AU

Year: 658 Days

Day: 24.2 Hours

Environment

Temp: -45 °C

Axial Tilt: 12.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,827,300 km

• M1: 1,110,914 km (0.12 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.82 AU - 3.18 AU

Year: 1917 Days

Day: 46.6 Hours

Environment

Temp: -114 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.24 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.6

Radius: 14.9

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 5.31 AU - 5.65 AU

Year: 4733 Days

Day: 8.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,827,300 km

• M1: 187,446 km (0.066 R)
• M2: 813,064 km (0.037 R)
• M3: 1,330,224 km (0.104 R)
• M4: 2,358,261 km (0.088 R)
• M5: 2,845,052 km (0.091 R)
• M6: 4,118,878 km (0.101 R)
• M7: 6,321,408 km (0.027 R)
• M8: 11,264,271 km (0.095 R)
• M9: 12,366,658 km (0.078 R)
• M10: 13,645,271 km (0.069 R)
• M11: 15,523,322 km (0.112 R)
• M12: 16,584,869 km (0.108 R)
• M13: 18,267,246 km (0.094 R)
• M14: 19,316,526 km (0.119 R)
• M15: 22,042,349 km (0.101 R)
• M16: 23,765,118 km (0.079 R)
• M17: 25,095,192 km (0.088 R)
• M18: 27,562,510 km (0.085 R)
• M19: 30,097,446 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227

Radius: 14.4

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 7.22 AU - 9.1 AU

Year: 8600 Days

Day: 7.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,827,300 km

• M1: 179,817 km (0.036 R)
• M2: 1,093,411 km (0.036 R)
• M3: 1,867,430 km (0.118 R)
• M4: 2,842,360 km (0.096 R)
• M5: 4,770,826 km (0.112 R)
• M6: 12,262,238 km (0.109 R)
• M7: 15,161,744 km (0.099 R)
• M8: 21,700,218 km (0.08 R)
• M9: 26,396,095 km (0.112 R)
• M10: 27,477,987 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.4

Radius: 9.4

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 9.63 AU - 14.11 AU

Year: 15089 Days

Day: 5.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,827,300 km

• M1: 125,064 km (0.084 R)
• M2: 487,689 km (0.108 R)
• M3: 1,099,096 km (0.115 R)
• M4: 1,445,564 km (0.119 R)
• M5: 3,463,041 km (0.071 R)
• M6: 3,784,677 km (0.102 R)
• M7: 4,292,561 km (0.057 R)
• M8: 9,088,669 km (0.085 R)
• M9: 9,872,562 km (0.115 R)
• M10: 11,574,836 km (0.119 R)
• M11: 13,308,077 km (0.059 R)
• M12: 14,263,858 km (0.105 R)
• M13: 14,703,077 km (0.118 R)
• M14: 20,285,621 km (0.077 R)
• M15: 22,495,630 km (0.114 R)
• M16: 22,941,282 km (0.093 R)
• M17: 24,469,125 km (0.097 R)
• M18: 28,757,498 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 467.8

Radius: 7.6

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 14.05 AU - 16.23 AU

Year: 21735 Days

Day: 24.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,827,300 km

• M1: 96,191 km (0.106 R)
• M2: 460,761 km (0.06 R)
• M3: 1,060,200 km (0.097 R)
• M4: 2,201,781 km (0.058 R)
• M5: 3,765,229 km (0.039 R)
• M6: 4,226,140 km (0.11 R)
• M7: 6,243,916 km (0.08 R)
• M8: 7,344,807 km (0.091 R)
• M9: 12,056,242 km (0.11 R)
• M10: 15,296,532 km (0.082 R)
• M11: 18,636,753 km (0.11 R)
• M12: 22,829,383 km (0.07 R)
• M13: 23,737,293 km (0.08 R)
• M14: 24,355,880 km (0.035 R)
• M15: 36,445,632 km (0.095 R)
• M16: 38,104,074 km (0.094 R)
• M17: 44,304,307 km (0.089 R)
• M18: 46,351,703 km (0.101 R)
• M19: 46,994,226 km (0.093 R)
• M20: 48,626,339 km (0.091 R)
• M21: 51,315,660 km (0.102 R)
• M22: 63,657,335 km (0.072 R)
• M23: 65,855,825 km (0.109 R)
• M24: 66,464,090 km (0.113 R)
• M25: 67,691,840 km (0.111 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 560 - 15,361 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit