🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.42 AU - 0.68 AU

Year: 268 Days

Day: 26.1 Hours

Environment

Temp: -127 °C

Axial Tilt: 49 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.3

Radius: 14.1

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.11 AU - 1.45 AU

Year: 950 Days

Day: 6.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,984,978 km

• M1: 178,919 km (0.103 R)
• M2: 647,310 km (0.107 R)
• M3: 1,098,796 km (0.118 R)
• M4: 1,574,817 km (0.111 R)
• M5: 2,431,414 km (0.113 R)
• M6: 2,940,945 km (0.067 R)
• M7: 3,521,983 km (0.06 R)
• M8: 3,983,343 km (0.109 R)
• M9: 5,436,387 km (0.03 R)
• M10: 7,003,424 km (0.115 R)
• M11: 7,637,869 km (0.086 R)
• M12: 8,230,725 km (0.085 R)
• M13: 9,078,496 km (0.052 R)
• M14: 10,165,774 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.1

Radius: 11.4

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.25 AU - 1.59 AU

Year: 1110 Days

Day: 8.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,984,978 km

• M1: 142,118 km (0.041 R)
• M2: 571,613 km (0.078 R)
• M3: 989,440 km (0.094 R)
• M4: 1,433,896 km (0.084 R)
• M5: 1,893,311 km (0.113 R)
• M6: 2,705,178 km (0.115 R)
• M7: 3,115,076 km (0.08 R)
• M8: 3,552,351 km (0.087 R)
• M9: 4,183,953 km (0.1 R)
• M10: 4,923,715 km (0.078 R)
• M11: 5,576,560 km (0.118 R)
• M12: 6,641,996 km (0.06 R)
• M13: 7,393,875 km (0.115 R)
• M14: 7,790,608 km (0.114 R)
• M15: 8,525,583 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363

Radius: 8.6

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.25 AU - 1.81 AU

Year: 1241 Days

Day: 14.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,984,978 km

• M1: 106,962 km (0.054 R)
• M2: 419,772 km (0.091 R)
• M3: 708,795 km (0.065 R)
• M4: 994,377 km (0.057 R)
• M5: 1,293,124 km (0.083 R)
• M6: 1,819,559 km (0.095 R)
• M7: 2,415,258 km (0.112 R)
• M8: 3,339,324 km (0.114 R)
• M9: 4,022,537 km (0.087 R)
• M10: 5,331,967 km (0.108 R)
• M11: 6,094,617 km (0.072 R)
• M12: 6,371,523 km (0.087 R)
• M13: 6,701,536 km (0.101 R)
• M14: 7,662,403 km (0.113 R)
• M15: 8,112,094 km (0.075 R)
• M16: 8,632,246 km (0.031 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.1

Radius: 11.2

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.12 AU - 2.14 AU

Year: 2039 Days

Day: 8.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,984,978 km

• M1: 139,724 km (0.063 R)
• M2: 564,582 km (0.114 R)
• M3: 1,009,786 km (0.108 R)
• M4: 1,464,114 km (0.114 R)
• M5: 2,054,128 km (0.08 R)
• M6: 2,740,932 km (0.106 R)
• M7: 4,219,707 km (0.117 R)
• M8: 5,375,650 km (0.116 R)
• M9: 5,741,865 km (0.096 R)
• M10: 6,297,622 km (0.112 R)
• M11: 7,545,417 km (0.099 R)
• M12: 8,035,201 km (0.115 R)
• M13: 9,699,627 km (0.074 R)
• M14: 12,274,804 km (0.111 R)
• M15: 13,116,592 km (0.119 R)
• M16: 14,039,162 km (0.07 R)
• M17: 14,737,036 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.6

Radius: 10.5

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.89 AU - 4.31 AU

Year: 5446 Days

Day: 10.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,984,978 km

• M1: 130,599 km (0.058 R)
• M2: 576,550 km (0.071 R)
• M3: 1,098,946 km (0.099 R)
• M4: 1,995,785 km (0.116 R)
• M5: 2,341,805 km (0.084 R)
• M6: 3,744,734 km (0.097 R)
• M7: 7,687,236 km (0.103 R)
• M8: 8,793,512 km (0.082 R)
• M9: 9,602,388 km (0.104 R)
• M10: 10,367,581 km (0.082 R)
• M11: 11,076,077 km (0.103 R)
• M12: 12,854,646 km (0.116 R)
• M13: 14,757,531 km (0.098 R)
• M14: 15,472,010 km (0.119 R)
• M15: 18,425,521 km (0.1 R)
• M16: 20,034,745 km (0.091 R)
• M17: 20,836,739 km (0.043 R)
• M18: 21,508,583 km (0.088 R)
• M19: 22,504,456 km (0.106 R)
• M20: 24,015,096 km (0.09 R)
• M21: 25,170,590 km (0.074 R)
• M22: 25,762,100 km (0.104 R)
• M23: 26,797,616 km (0.065 R)
• M24: 28,676,117 km (0.063 R)
• M25: 31,218,383 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 140.8

Radius: 4.2

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 8.24 AU - 9.14 AU

Year: 16805 Days

Day: 24.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,984,978 km

• M1: 60,438 km (0.097 R)
• M2: 501,003 km (0.097 R)
• M3: 1,265,000 km (0.037 R)
• M4: 7,843,566 km (0.089 R)
• M5: 11,637,368 km (0.115 R)
• M6: 16,630,795 km (0.077 R)
• M7: 17,720,466 km (0.07 R)
• M8: 23,300,467 km (0.079 R)
• M9: 28,680,754 km (0.074 R)
• M10: 31,046,046 km (0.075 R)
• M11: 39,865,289 km (0.069 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 245 - 18,019 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit