🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.44 AU - 0.66 AU

Year: 154 Days

Day: 47.5 Hours

Environment

Temp: 135 °C

Axial Tilt: 3.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.64 AU - 1 AU

Year: 280 Days

Day: 27.4 Hours

Environment

Temp: 142 °C

Axial Tilt: 37.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 88,636,453 km

• M1: 271,371 km (0.085 R)
• M2: 552,764 km (0.117 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.78 AU - 1.96 AU

Year: 963 Days

Day: 21.1 Hours

Environment

Temp: -61 °C

Axial Tilt: 2.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.91 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.52 AU - 4.38 AU

Year: 2957 Days

Day: 36.5 Hours

Environment

Temp: -122 °C

Axial Tilt: 44.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 88,636,453 km

• M1: 763,398 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.2

Radius: 9.5

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.3 AU - 4.38 AU

Year: 3406 Days

Day: 14.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 88,636,453 km

• M1: 118,182 km (0.045 R)
• M2: 470,784 km (0.067 R)
• M3: 942,018 km (0.093 R)
• M4: 1,758,673 km (0.103 R)
• M5: 2,261,621 km (0.114 R)
• M6: 2,826,053 km (0.026 R)
• M7: 3,463,191 km (0.047 R)
• M8: 3,925,747 km (0.097 R)
• M9: 4,927,754 km (0.093 R)
• M10: 5,745,755 km (0.112 R)
• M11: 6,064,698 km (0.064 R)
• M12: 6,651,570 km (0.09 R)
• M13: 7,681,402 km (0.089 R)
• M14: 8,036,248 km (0.117 R)
• M15: 8,334,845 km (0.095 R)
• M16: 8,640,773 km (0.045 R)
• M17: 9,239,314 km (0.092 R)
• M18: 9,978,477 km (0.103 R)
• M19: 10,876,812 km (0.117 R)
• M20: 11,449,323 km (0.084 R)
• M21: 14,766,207 km (0.046 R)
• M22: 15,724,531 km (0.105 R)
• M23: 16,403,706 km (0.071 R)
• M24: 18,674,302 km (0.105 R)
• M25: 19,258,482 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.1

Radius: 9.9

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 7.99 AU - 12.69 AU

Year: 12526 Days

Day: 14.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 88,636,453 km

• M1: 124,017 km (0.071 R)
• M2: 768,634 km (0.112 R)
• M3: 1,571,974 km (0.055 R)
• M4: 2,651,323 km (0.046 R)
• M5: 3,434,019 km (0.039 R)
• M6: 3,866,507 km (0.075 R)
• M7: 4,688,397 km (0.065 R)
• M8: 5,287,238 km (0.091 R)
• M9: 5,622,486 km (0.111 R)
• M10: 6,599,360 km (0.066 R)
• M11: 7,028,407 km (0.066 R)
• M12: 7,685,591 km (0.113 R)
• M13: 8,887,011 km (0.109 R)
• M14: 9,459,373 km (0.06 R)
• M15: 10,890,875 km (0.038 R)
• M16: 13,424,165 km (0.104 R)
• M17: 13,923,672 km (0.095 R)
• M18: 14,242,166 km (0.104 R)
• M19: 15,701,643 km (0.111 R)
• M20: 19,623,052 km (0.063 R)
• M21: 20,185,540 km (0.108 R)
• M22: 21,511,575 km (0.025 R)
• M23: 27,499,230 km (0.064 R)
• M24: 33,023,132 km (0.118 R)
• M25: 34,048,775 km (0.087 R)
• M26: 36,403,894 km (0.109 R)
• M27: 36,766,369 km (0.075 R)
• M28: 38,489,438 km (0.114 R)
• M29: 45,083,413 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 620.1

Radius: 4.6

Gravity: 29.31 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 15.19 AU - 18.83 AU

Year: 26429 Days

Day: 24.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 88,636,453 km

• M1: 57,296 km (0.062 R)
• M2: 210,335 km (0.063 R)
• M3: 1,192,145 km (0.091 R)
• M4: 1,859,502 km (0.099 R)
• M5: 4,691,090 km (0.077 R)
• M6: 5,112,058 km (0.05 R)
• M7: 5,311,622 km (0.104 R)
• M8: 5,474,983 km (0.099 R)
• M9: 5,985,261 km (0.09 R)
• M10: 6,297,173 km (0.118 R)
• M11: 8,128,999 km (0.091 R)
• M12: 10,800,817 km (0.029 R)
• M13: 11,738,347 km (0.102 R)
• M14: 17,519,556 km (0.105 R)
• M15: 22,311,774 km (0.049 R)
• M16: 25,063,178 km (0.099 R)
• M17: 25,755,667 km (0.097 R)
• M18: 32,707,630 km (0.078 R)
• M19: 35,661,440 km (0.108 R)
• M20: 40,812,543 km (0.111 R)
• M21: 43,564,546 km (0.11 R)
• M22: 48,540,470 km (0.081 R)
• M23: 48,896,962 km (0.105 R)
• M24: 53,501,584 km (0.111 R)
• M25: 59,398,433 km (0.04 R)
• M26: 62,082,817 km (0.09 R)
• M27: 67,028,224 km (0.077 R)
• M28: 67,249,030 km (0.1 R)
• M29: 76,966,160 km (0.089 R)
• M30: 77,937,648 km (0.113 R)
• M31: 80,402,124 km (0.11 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 367 - 18,871 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit