🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.54 AU - 0.64 AU

Year: 174 Days

Day: 39.5 Hours

Environment

Temp: 128 °C

Axial Tilt: 67.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.75 AU - 0.85 AU

Year: 274 Days

Day: 19.8 Hours

Environment

Temp: 75 °C

Axial Tilt: 42.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.83 AU - 0.85 AU

Year: 295 Days

Day: 35 Hours

Environment

Temp: 46 °C

Axial Tilt: 18.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 87,187,584 km

• M1: 299,794 km (0.099 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.45 AU - 2.21 AU

Year: 948 Days

Day: 34.6 Hours

Environment

Temp: -68 °C

Axial Tilt: 28.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 87,187,584 km

• M1: 366,066 km (0.052 R)
• M2: 674,387 km (0.086 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.76 AU - 2 AU

Year: 987 Days

Day: 41.6 Hours

Environment

Temp: -66 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,187,584 km

• M1: 871,707 km (0.111 R)

Asteroid Belt

Center: 3.65 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443

Radius: 8.6

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.03 AU - 5.81 AU

Year: 4831 Days

Day: 11.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 87,187,584 km

• M1: 107,112 km (0.099 R)
• M2: 494,571 km (0.101 R)
• M3: 793,168 km (0.116 R)
• M4: 1,141,581 km (0.089 R)
• M5: 1,602,941 km (0.04 R)
• M6: 2,645,788 km (0.048 R)
• M7: 3,322,120 km (0.092 R)
• M8: 3,763,583 km (0.108 R)
• M9: 4,243,792 km (0.103 R)
• M10: 4,888,410 km (0.072 R)
• M11: 5,961,176 km (0.057 R)
• M12: 6,800,719 km (0.058 R)
• M13: 7,314,588 km (0.082 R)
• M14: 7,614,831 km (0.083 R)
• M15: 9,396,841 km (0.098 R)
• M16: 10,447,616 km (0.114 R)
• M17: 12,495,461 km (0.028 R)
• M18: 12,925,256 km (0.094 R)
• M19: 14,068,932 km (0.111 R)
• M20: 18,144,875 km (0.096 R)
• M21: 19,385,640 km (0.103 R)
• M22: 20,026,817 km (0.053 R)
• M23: 20,418,165 km (0.046 R)
• M24: 21,149,100 km (0.092 R)
• M25: 24,027,512 km (0.055 R)
• M26: 24,321,622 km (0.11 R)
• M27: 25,142,765 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.2

Radius: 14.1

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 9.02 AU - 9.34 AU

Year: 10650 Days

Day: 14.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,187,584 km

• M1: 175,329 km (0.078 R)
• M2: 641,027 km (0.096 R)
• M3: 1,269,338 km (0.085 R)
• M4: 1,753,437 km (0.101 R)
• M5: 2,410,321 km (0.081 R)
• M6: 3,073,488 km (0.091 R)
• M7: 4,899,181 km (0.081 R)
• M8: 5,558,758 km (0.114 R)
• M9: 7,022,573 km (0.099 R)
• M10: 9,289,130 km (0.071 R)
• M11: 12,104,712 km (0.09 R)
• M12: 12,649,098 km (0.082 R)
• M13: 13,733,982 km (0.049 R)
• M14: 15,620,710 km (0.084 R)
• M15: 17,299,947 km (0.067 R)
• M16: 18,119,294 km (0.067 R)
• M17: 18,832,577 km (0.091 R)
• M18: 19,835,481 km (0.109 R)
• M19: 20,523,631 km (0.098 R)
• M20: 29,534,808 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 455.1

Radius: 5.3

Gravity: 16.2 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 16.63 AU - 20.07 AU

Year: 30097 Days

Day: 17.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 87,187,584 km

• M1: 66,122 km (0.116 R)
• M2: 794,664 km (0.106 R)
• M3: 1,071,570 km (0.098 R)
• M4: 2,019,721 km (0.102 R)
• M5: 3,282,925 km (0.096 R)
• M6: 6,337,863 km (0.114 R)
• M7: 7,691,575 km (0.118 R)
• M8: 9,761,261 km (0.108 R)
• M9: 10,252,989 km (0.11 R)
• M10: 11,554,790 km (0.096 R)
• M11: 24,213,163 km (0.054 R)
• M12: 25,802,342 km (0.054 R)
• M13: 32,448,526 km (0.05 R)
• M14: 34,237,118 km (0.111 R)
• M15: 45,007,567 km (0.099 R)
• M16: 48,808,400 km (0.082 R)
• M17: 67,685,557 km (0.082 R)
• M18: 85,628,774 km (0.085 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 511 - 12,483 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit