🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.5 AU - 0.74 AU

Year: 176 Days

Day: 20.1 Hours

Environment

Temp: 166 °C

Axial Tilt: 20.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 71,504,948 km

• M1: 151,094 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.66 AU - 2.94 AU

Year: 1686 Days

Day: 24.6 Hours

Environment

Temp: -97 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,504,948 km

• M1: 653,593 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.9

Radius: 10.1

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 7.35 AU - 7.69 AU

Year: 7422 Days

Day: 7.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,504,948 km

• M1: 125,662 km (0.114 R)
• M2: 500,554 km (0.093 R)
• M3: 1,075,459 km (0.11 R)
• M4: 1,501,663 km (0.09 R)
• M5: 2,353,922 km (0.106 R)
• M6: 2,999,886 km (0.114 R)
• M7: 5,044,889 km (0.074 R)
• M8: 7,724,935 km (0.085 R)
• M9: 9,014,468 km (0.101 R)
• M10: 11,542,972 km (0.115 R)
• M11: 13,856,802 km (0.066 R)
• M12: 16,661,912 km (0.096 R)
• M13: 18,373,610 km (0.11 R)
• M14: 25,332,155 km (0.068 R)
• M15: 34,295,013 km (0.105 R)
• M16: 38,542,994 km (0.06 R)
• M17: 39,362,042 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.1

Radius: 10.8

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 10.08 AU - 10.54 AU

Year: 11914 Days

Day: 5.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 71,504,948 km

• M1: 134,488 km (0.039 R)
• M2: 511,625 km (0.099 R)
• M3: 914,791 km (0.083 R)
• M4: 1,549,385 km (0.112 R)
• M5: 1,914,853 km (0.096 R)
• M6: 2,779,528 km (0.062 R)
• M7: 3,351,291 km (0.106 R)
• M8: 3,774,953 km (0.109 R)
• M9: 4,416,129 km (0.073 R)
• M10: 5,729,898 km (0.103 R)
• M11: 7,506,821 km (0.116 R)
• M12: 9,417,336 km (0.069 R)
• M13: 10,540,965 km (0.044 R)
• M14: 11,691,971 km (0.107 R)
• M15: 12,861,228 km (0.115 R)
• M16: 14,174,548 km (0.106 R)
• M17: 14,516,379 km (0.11 R)
• M18: 20,329,752 km (0.108 R)
• M19: 22,847,634 km (0.044 R)
• M20: 24,572,049 km (0.077 R)
• M21: 25,768,832 km (0.115 R)
• M22: 33,535,654 km (0.112 R)
• M23: 34,635,348 km (0.096 R)
• M24: 36,777,889 km (0.117 R)
• M25: 37,685,349 km (0.067 R)
• M26: 40,634,372 km (0.046 R)
• M27: 44,459,889 km (0.103 R)
• M28: 44,899,258 km (0.115 R)
• M29: 48,364,393 km (0.08 R)
• M30: 49,453,466 km (0.065 R)
• M31: 50,718,017 km (0.09 R)
• M32: 55,822,146 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 349.9

Radius: 7.5

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 15.66 AU - 18.58 AU

Year: 25493 Days

Day: 24.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 71,504,948 km

• M1: 93,499 km (0.053 R)
• M2: 402,568 km (0.077 R)
• M3: 1,143,526 km (0.119 R)
• M4: 1,889,571 km (0.114 R)
• M5: 2,613,176 km (0.069 R)
• M6: 3,128,839 km (0.079 R)
• M7: 3,425,043 km (0.041 R)
• M8: 3,710,476 km (0.117 R)
• M9: 4,168,545 km (0.085 R)
• M10: 4,427,798 km (0.109 R)
• M11: 6,953,907 km (0.089 R)
• M12: 8,860,083 km (0.096 R)
• M13: 11,028,505 km (0.09 R)
• M14: 11,589,796 km (0.082 R)
• M15: 12,301,433 km (0.054 R)
• M16: 16,382,164 km (0.085 R)
• M17: 16,948,541 km (0.094 R)
• M18: 18,725,764 km (0.096 R)
• M19: 23,146,979 km (0.058 R)
• M20: 27,082,151 km (0.114 R)
• M21: 27,532,591 km (0.076 R)
• M22: 35,435,846 km (0.064 R)
• M23: 35,839,611 km (0.105 R)
• M24: 36,246,218 km (0.111 R)
• M25: 39,179,982 km (0.119 R)
• M26: 39,901,193 km (0.102 R)
• M27: 41,221,394 km (0.106 R)
• M28: 41,667,944 km (0.095 R)
• M29: 42,117,635 km (0.116 R)
• M30: 45,992,070 km (0.09 R)
• M31: 48,592,680 km (0.063 R)
• M32: 54,084,717 km (0.098 R)
• M33: 58,465,241 km (0.1 R)
• M34: 62,879,725 km (0.105 R)

Kuiper Belt

Range: 30.5 - 54.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 457 - 15,601 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit