🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.64 AU - 0.82 AU

Year: 226 Days

Day: 20.5 Hours

Environment

Temp: 164 °C

Axial Tilt: 7.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.55 AU - 1.75 AU

Year: 767 Days

Day: 20.2 Hours

Environment

Temp: -42 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.6 AU - 2.92 AU

Year: 1658 Days

Day: 36 Hours

Environment

Temp: -90 °C

Axial Tilt: 7.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,149,076 km

• M1: 958,922 km (0.058 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.81 AU - 4.67 AU

Year: 2616 Days

Day: 25.8 Hours

Environment

Temp: -114 °C

Axial Tilt: 2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.2 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.8

Radius: 13.2

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 6.13 AU - 7.19 AU

Year: 6216 Days

Day: 8.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,149,076 km

• M1: 175,628 km (0.047 R)
• M2: 605,572 km (0.109 R)
• M3: 1,441,226 km (0.106 R)
• M4: 2,094,071 km (0.097 R)
• M5: 2,551,691 km (0.083 R)
• M6: 3,344,111 km (0.078 R)
• M7: 4,145,207 km (0.056 R)
• M8: 4,578,742 km (0.109 R)
• M9: 5,271,679 km (0.117 R)
• M10: 5,751,141 km (0.072 R)
• M11: 6,162,086 km (0.115 R)
• M12: 7,078,971 km (0.05 R)
• M13: 7,664,049 km (0.096 R)
• M14: 8,642,867 km (0.114 R)
• M15: 9,615,403 km (0.111 R)
• M16: 11,677,759 km (0.097 R)
• M17: 14,304,848 km (0.109 R)
• M18: 14,886,035 km (0.11 R)
• M19: 16,282,382 km (0.075 R)
• M20: 17,500,258 km (0.09 R)
• M21: 19,973,410 km (0.113 R)
• M22: 21,144,163 km (0.041 R)
• M23: 21,746,444 km (0.036 R)
• M24: 23,381,848 km (0.078 R)
• M25: 26,721,770 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 236.5

Radius: 3.9

Gravity: 15.55 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 14.69 AU - 17.91 AU

Year: 23800 Days

Day: 15.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 74,149,076 km

• M1: 55,052 km (0.103 R)
• M2: 262,993 km (0.079 R)
• M3: 409,599 km (0.098 R)
• M4: 549,473 km (0.113 R)
• M5: 1,240,466 km (0.108 R)
• M6: 1,434,943 km (0.093 R)
• M7: 1,747,752 km (0.114 R)
• M8: 2,200,884 km (0.028 R)
• M9: 2,937,055 km (0.061 R)
• M10: 3,106,998 km (0.069 R)
• M11: 3,334,985 km (0.113 R)
• M12: 3,711,673 km (0.111 R)
• M13: 4,454,277 km (0.04 R)
• M14: 6,386,632 km (0.082 R)
• M15: 6,672,215 km (0.098 R)
• M16: 7,401,205 km (0.111 R)
• M17: 8,087,261 km (0.094 R)
• M18: 8,421,463 km (0.094 R)
• M19: 9,584,736 km (0.112 R)
• M20: 10,122,241 km (0.107 R)
• M21: 11,257,389 km (0.108 R)
• M22: 11,916,667 km (0.06 R)
• M23: 16,045,269 km (0.079 R)
• M24: 18,468,456 km (0.099 R)
• M25: 21,575,603 km (0.032 R)
• M26: 31,878,109 km (0.071 R)
• M27: 32,233,105 km (0.074 R)
• M28: 32,590,644 km (0.042 R)
• M29: 34,917,190 km (0.118 R)
• M30: 35,168,365 km (0.06 R)
• M31: 38,011,173 km (0.107 R)
• M32: 39,488,303 km (0.074 R)
• M33: 44,442,236 km (0.053 R)
• M34: 48,535,384 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 307.2

Radius: 7.6

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 17.3 AU - 19.66 AU

Year: 28730 Days

Day: 18.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,149,076 km

• M1: 94,546 km (0.11 R)
• M2: 695,929 km (0.095 R)
• M3: 1,617,901 km (0.104 R)
• M4: 3,215,457 km (0.115 R)
• M5: 4,287,774 km (0.049 R)
• M6: 7,881,713 km (0.113 R)
• M7: 8,595,295 km (0.097 R)
• M8: 9,076,402 km (0.105 R)
• M9: 10,810,391 km (0.098 R)
• M10: 12,550,214 km (0.108 R)
• M11: 14,246,504 km (0.093 R)
• M12: 21,872,405 km (0.044 R)
• M13: 24,634,281 km (0.105 R)
• M14: 47,361,938 km (0.1 R)
• M15: 66,229,371 km (0.119 R)
• M16: 72,167,509 km (0.118 R)

Kuiper Belt

Range: 30.3 - 49.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 204 - 11,561 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit