🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.86 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.67 AU - 1.75 AU

Year: 856 Days

Day: 26.5 Hours

Environment

Temp: -65 °C

Axial Tilt: 23.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 103,182,444 km

• M1: 93,050 km (0.04 R)
• M2: 845,677 km (0.063 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.65 AU - 2.37 AU

Year: 1091 Days

Day: 38.9 Hours

Environment

Temp: -86 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.91 AU - 2.19 AU

Year: 1124 Days

Day: 30.9 Hours

Environment

Temp: -90 °C

Axial Tilt: 1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.91 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.5

Radius: 14.2

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 5.37 AU - 6.15 AU

Year: 5293 Days

Day: 7 Hours

Environment

Temp: -160 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 103,182,444 km

• M1: 176,525 km (0.1 R)
• M2: 669,151 km (0.084 R)
• M3: 1,416,841 km (0.096 R)
• M4: 1,944,174 km (0.095 R)
• M5: 2,703,982 km (0.097 R)
• M6: 3,368,346 km (0.1 R)
• M7: 4,162,860 km (0.085 R)
• M8: 6,248,404 km (0.12 R)
• M9: 7,765,625 km (0.12 R)
• M10: 8,535,007 km (0.118 R)
• M11: 9,763,206 km (0.093 R)
• M12: 12,519,696 km (0.077 R)
• M13: 13,372,404 km (0.12 R)
• M14: 14,317,115 km (0.077 R)
• M15: 14,806,000 km (0.053 R)
• M16: 17,789,880 km (0.119 R)
• M17: 19,654,916 km (0.066 R)
• M18: 23,469,812 km (0.033 R)
• M19: 23,998,042 km (0.11 R)
• M20: 26,514,577 km (0.092 R)
• M21: 28,005,170 km (0.117 R)
• M22: 28,685,242 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.2

Radius: 11

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 7.98 AU - 9.1 AU

Year: 9556 Days

Day: 13.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 103,182,444 km

• M1: 136,882 km (0.105 R)
• M2: 795,412 km (0.09 R)
• M3: 1,164,021 km (0.104 R)
• M4: 1,509,443 km (0.071 R)
• M5: 2,040,216 km (0.057 R)
• M6: 4,384,414 km (0.083 R)
• M7: 6,541,915 km (0.112 R)
• M8: 8,949,094 km (0.097 R)
• M9: 9,620,489 km (0.107 R)
• M10: 13,065,280 km (0.112 R)
• M11: 14,375,907 km (0.116 R)
• M12: 17,329,866 km (0.062 R)
• M13: 18,987,859 km (0.092 R)
• M14: 19,536,884 km (0.101 R)
• M15: 22,442,373 km (0.067 R)
• M16: 23,233,597 km (0.047 R)
• M17: 24,225,879 km (0.082 R)
• M18: 27,571,636 km (0.105 R)
• M19: 28,073,387 km (0.089 R)
• M20: 29,825,477 km (0.112 R)
• M21: 30,460,819 km (0.103 R)
• M22: 30,997,277 km (0.116 R)
• M23: 37,688,192 km (0.084 R)
• M24: 39,945,773 km (0.03 R)
• M25: 42,159,223 km (0.074 R)
• M26: 44,866,645 km (0.104 R)
• M27: 46,122,071 km (0.027 R)
• M28: 48,995,247 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 778.9

Radius: 6.3

Gravity: 19.62 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 11.02 AU - 15.8 AU

Year: 18802 Days

Day: 15.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 103,182,444 km

• M1: 78,539 km (0.099 R)
• M2: 500,554 km (0.082 R)
• M3: 763,548 km (0.035 R)
• M4: 1,267,992 km (0.074 R)
• M5: 2,839,368 km (0.115 R)
• M6: 3,934,873 km (0.099 R)
• M7: 5,719,127 km (0.098 R)
• M8: 5,964,318 km (0.107 R)
• M9: 6,302,259 km (0.076 R)
• M10: 10,538,572 km (0.096 R)
• M11: 11,671,925 km (0.117 R)
• M12: 14,030,335 km (0.051 R)
• M13: 14,327,287 km (0.071 R)
• M14: 15,794,842 km (0.049 R)
• M15: 19,116,065 km (0.09 R)
• M16: 21,670,149 km (0.119 R)
• M17: 33,500,349 km (0.116 R)
• M18: 55,212,535 km (0.112 R)
• M19: 72,176,933 km (0.096 R)
• M20: 74,402,052 km (0.108 R)
• M21: 75,078,384 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 991.8

Radius: 6.5

Gravity: 23.47 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 15.21 AU - 18.29 AU

Year: 26248 Days

Day: 23.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 103,182,444 km

• M1: 82,129 km (0.032 R)
• M2: 503,098 km (0.095 R)
• M3: 905,666 km (0.103 R)
• M4: 3,853,791 km (0.087 R)
• M5: 4,097,486 km (0.096 R)
• M6: 5,012,426 km (0.1 R)
• M7: 11,411,924 km (0.092 R)
• M8: 19,376,215 km (0.115 R)
• M9: 25,861,134 km (0.075 R)
• M10: 26,604,635 km (0.095 R)
• M11: 29,857,042 km (0.115 R)
• M12: 30,128,114 km (0.092 R)
• M13: 40,024,462 km (0.117 R)
• M14: 45,518,892 km (0.053 R)
• M15: 46,966,999 km (0.104 R)
• M16: 54,065,568 km (0.083 R)
• M17: 55,894,252 km (0.082 R)
• M18: 59,460,217 km (0.102 R)
• M19: 67,973,532 km (0.115 R)
• M20: 69,863,702 km (0.04 R)
• M21: 88,477,566 km (0.1 R)
• M22: 89,317,708 km (0.102 R)
• M23: 101,337,747 km (0.095 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 12,409 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit