🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.05 AU - 1.37 AU

Year: 501 Days

Day: 21.3 Hours

Environment

Temp: -12 °C

Axial Tilt: 7.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 68,609,080 km

• M1: 140,921 km (0.037 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.11 AU - 1.55 AU

Year: 578 Days

Day: 24.8 Hours

Environment

Temp: -40 °C

Axial Tilt: 48.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,609,080 km

• M1: 50,265 km (0.079 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.73 AU - 3.37 AU

Year: 2007 Days

Day: 16.5 Hours

Environment

Temp: -105 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,609,080 km

• M1: 72,405 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.4

Radius: 11.1

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.25 AU - 5.23 AU

Year: 3888 Days

Day: 14 Hours

Environment

Temp: -150 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,609,080 km

• M1: 138,976 km (0.118 R)
• M2: 607,816 km (0.101 R)
• M3: 1,394,103 km (0.074 R)
• M4: 1,845,140 km (0.062 R)
• M5: 2,614,073 km (0.1 R)
• M6: 3,219,645 km (0.039 R)
• M7: 4,142,515 km (0.03 R)
• M8: 4,531,320 km (0.095 R)
• M9: 5,559,805 km (0.062 R)
• M10: 9,433,193 km (0.116 R)
• M11: 10,186,568 km (0.1 R)
• M12: 11,516,642 km (0.107 R)
• M13: 12,823,380 km (0.117 R)
• M14: 16,253,061 km (0.074 R)
• M15: 17,837,901 km (0.081 R)
• M16: 18,292,678 km (0.036 R)
• M17: 20,128,543 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.1

Radius: 13.6

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.2 AU - 7.1 AU

Year: 5746 Days

Day: 13.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,609,080 km

• M1: 171,888 km (0.113 R)
• M2: 698,173 km (0.099 R)
• M3: 1,258,268 km (0.05 R)
• M4: 2,408,825 km (0.069 R)
• M5: 4,083,423 km (0.072 R)
• M6: 4,591,458 km (0.084 R)
• M7: 5,063,888 km (0.03 R)
• M8: 5,763,557 km (0.118 R)
• M9: 6,806,254 km (0.108 R)
• M10: 8,112,393 km (0.094 R)
• M11: 8,919,474 km (0.108 R)
• M12: 9,342,836 km (0.114 R)
• M13: 9,982,666 km (0.081 R)
• M14: 11,084,604 km (0.066 R)
• M15: 13,630,760 km (0.116 R)
• M16: 15,920,205 km (0.066 R)
• M17: 17,722,561 km (0.117 R)
• M18: 18,829,585 km (0.102 R)
• M19: 20,843,471 km (0.102 R)
• M20: 23,141,295 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.8

Radius: 12.9

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 7.01 AU - 8.37 AU

Year: 8034 Days

Day: 9.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,609,080 km

• M1: 160,519 km (0.099 R)
• M2: 1,215,483 km (0.092 R)
• M3: 1,760,318 km (0.095 R)
• M4: 2,319,964 km (0.111 R)
• M5: 3,883,860 km (0.107 R)
• M6: 6,792,342 km (0.085 R)
• M7: 10,065,543 km (0.067 R)
• M8: 11,088,045 km (0.069 R)
• M9: 13,823,741 km (0.11 R)
• M10: 16,042,427 km (0.028 R)
• M11: 18,668,617 km (0.105 R)
• M12: 19,091,979 km (0.101 R)
• M13: 19,645,791 km (0.119 R)
• M14: 21,109,756 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.4

Radius: 11.5

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 7.75 AU - 8.61 AU

Year: 8814 Days

Day: 10.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,609,080 km

• M1: 147,354 km (0.031 R)
• M2: 517,160 km (0.095 R)
• M3: 1,772,585 km (0.104 R)
• M4: 2,943,936 km (0.081 R)
• M5: 4,807,028 km (0.117 R)
• M6: 9,428,555 km (0.109 R)
• M7: 10,691,161 km (0.103 R)
• M8: 18,278,765 km (0.056 R)
• M9: 23,772,897 km (0.11 R)
• M10: 26,599,100 km (0.111 R)
• M11: 28,927,142 km (0.047 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.5

Radius: 10.2

Gravity: 8.76 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 10.26 AU - 12.9 AU

Year: 14845 Days

Day: 8 Hours

Environment

Temp: -188 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,609,080 km

• M1: 127,906 km (0.072 R)
• M2: 469,289 km (0.119 R)
• M3: 846,126 km (0.116 R)
• M4: 1,430,305 km (0.062 R)
• M5: 1,797,119 km (0.068 R)
• M6: 2,632,923 km (0.118 R)
• M7: 2,988,217 km (0.119 R)
• M8: 3,484,434 km (0.089 R)
• M9: 3,854,988 km (0.046 R)
• M10: 4,220,455 km (0.115 R)
• M11: 5,724,961 km (0.046 R)
• M12: 6,161,637 km (0.067 R)
• M13: 6,880,006 km (0.074 R)
• M14: 10,264,658 km (0.067 R)
• M15: 11,520,532 km (0.095 R)
• M16: 15,518,685 km (0.107 R)
• M17: 16,056,339 km (0.082 R)
• M18: 18,503,162 km (0.032 R)
• M19: 19,195,352 km (0.043 R)
• M20: 24,123,255 km (0.08 R)
• M21: 28,103,157 km (0.105 R)
• M22: 29,482,449 km (0.098 R)
• M23: 35,585,743 km (0.113 R)
• M24: 39,001,661 km (0.11 R)
• M25: 43,231,092 km (0.089 R)
• M26: 47,114,503 km (0.076 R)
• M27: 47,918,143 km (0.097 R)
• M28: 51,903,430 km (0.108 R)
• M29: 52,416,551 km (0.066 R)
• M30: 53,279,431 km (0.084 R)
• M31: 53,627,246 km (0.077 R)
• M32: 53,976,557 km (0.07 R)
• M33: 55,924,770 km (0.115 R)
• M34: 56,284,104 km (0.098 R)
• M35: 59,586,627 km (0.105 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: 279 - 14,059 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit