🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.6

Radius: 13.6

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.69 AU - 1.05 AU

Year: 532 Days

Day: 7.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 67,799,427 km

• M1: 171,140 km (0.065 R)
• M2: 429,047 km (0.032 R)
• M3: 823,087 km (0.087 R)
• M4: 1,257,370 km (0.119 R)
• M5: 1,749,547 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.2

Radius: 10.8

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.77 AU - 1.24 AU

Year: 656 Days

Day: 13.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,799,427 km

• M1: 145,110 km (0.089 R)
• M2: 373,396 km (0.059 R)
• M3: 814,261 km (0.077 R)
• M4: 1,171,501 km (0.103 R)
• M5: 1,799,363 km (0.051 R)
• M6: 2,030,941 km (0.086 R)
• M7: 2,397,755 km (0.032 R)
• M8: 2,703,383 km (0.106 R)
• M9: 3,018,586 km (0.094 R)
• M10: 3,404,100 km (0.096 R)
• M11: 3,703,594 km (0.088 R)
• M12: 4,027,773 km (0.117 R)
• M13: 5,305,638 km (0.111 R)
• M14: 5,667,067 km (0.092 R)
• M15: 5,886,975 km (0.094 R)
• M16: 6,310,936 km (0.056 R)
• M17: 6,513,940 km (0.118 R)
• M18: 6,720,086 km (0.11 R)
• M19: 7,020,478 km (0.115 R)
• M20: 7,312,045 km (0.093 R)
• M21: 8,321,830 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.6

Radius: 13.3

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.47 AU - 4.37 AU

Year: 5091 Days

Day: 10 Hours

Environment

Temp: -220 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 67,799,427 km

• M1: 165,455 km (0.04 R)
• M2: 761,453 km (0.096 R)
• M3: 1,361,490 km (0.117 R)
• M4: 1,659,489 km (0.086 R)
• M5: 1,947,465 km (0.089 R)
• M6: 2,565,903 km (0.109 R)
• M7: 3,071,843 km (0.068 R)
• M8: 3,352,488 km (0.119 R)
• M9: 4,469,984 km (0.096 R)
• M10: 5,283,797 km (0.098 R)
• M11: 5,729,748 km (0.077 R)
• M12: 6,037,471 km (0.059 R)
• M13: 6,568,543 km (0.118 R)
• M14: 8,422,809 km (0.046 R)
• M15: 9,968,005 km (0.094 R)
• M16: 11,000,979 km (0.074 R)
• M17: 11,464,582 km (0.093 R)
• M18: 12,609,605 km (0.108 R)
• M19: 13,106,120 km (0.098 R)
• M20: 13,494,626 km (0.1 R)
• M21: 15,989,619 km (0.093 R)
• M22: 17,118,036 km (0.082 R)
• M23: 18,606,086 km (0.095 R)
• M24: 19,397,159 km (0.104 R)
• M25: 24,123,554 km (0.089 R)
• M26: 25,238,358 km (0.118 R)
• M27: 25,886,864 km (0.041 R)
• M28: 28,449,177 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.1

Radius: 10.4

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.88 AU - 4.7 AU

Year: 5829 Days

Day: 7.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,799,427 km

• M1: 130,300 km (0.096 R)
• M2: 633,846 km (0.071 R)
• M3: 835,355 km (0.108 R)
• M4: 2,691,116 km (0.097 R)
• M5: 4,192,331 km (0.11 R)
• M6: 4,841,436 km (0.103 R)
• M7: 5,038,905 km (0.098 R)
• M8: 5,400,034 km (0.075 R)
• M9: 7,370,388 km (0.099 R)
• M10: 8,257,503 km (0.042 R)
• M11: 8,926,655 km (0.081 R)
• M12: 11,868,048 km (0.077 R)
• M13: 13,242,852 km (0.117 R)
• M14: 14,164,076 km (0.112 R)
• M15: 17,405,413 km (0.072 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 661

Radius: 5.1

Gravity: 25.41 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 7.25 AU - 10.35 AU

Year: 17125 Days

Day: 17.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 67,799,427 km

• M1: 395,387 km (0.101 R)
• M2: 507,885 km (0.108 R)
• M3: 727,345 km (0.114 R)
• M4: 1,391,111 km (0.076 R)
• M5: 1,527,095 km (0.079 R)
• M6: 1,649,017 km (0.048 R)
• M7: 1,775,876 km (0.04 R)
• M8: 2,406,880 km (0.111 R)
• M9: 2,882,302 km (0.098 R)
• M10: 3,401,706 km (0.108 R)
• M11: 3,965,092 km (0.117 R)
• M12: 4,296,900 km (0.095 R)
• M13: 4,537,303 km (0.065 R)
• M14: 5,450,000 km (0.115 R)
• M15: 5,799,311 km (0.085 R)
• M16: 6,870,133 km (0.105 R)
• M17: 7,043,068 km (0.037 R)
• M18: 9,538,061 km (0.051 R)
• M19: 12,471,526 km (0.054 R)
• M20: 13,779,909 km (0.069 R)
• M21: 15,153,965 km (0.113 R)
• M22: 16,794,755 km (0.089 R)
• M23: 17,065,228 km (0.111 R)
• M24: 17,543,641 km (0.112 R)
• M25: 17,959,075 km (0.084 R)
• M26: 18,238,673 km (0.076 R)
• M27: 19,742,132 km (0.113 R)
• M28: 21,003,092 km (0.08 R)
• M29: 22,458,680 km (0.038 R)
• M30: 28,506,024 km (0.108 R)
• M31: 29,390,746 km (0.07 R)
• M32: 30,742,961 km (0.098 R)
• M33: 36,656,116 km (0.063 R)
• M34: 37,457,063 km (0.104 R)
• M35: 38,572,465 km (0.036 R)
• M36: 42,444,506 km (0.11 R)
• M37: 43,089,871 km (0.118 R)
• M38: 48,772,646 km (0.104 R)
• M39: 50,745,243 km (0.07 R)
• M40: 51,214,981 km (0.097 R)
• M41: 59,787,687 km (0.051 R)
• M42: 60,553,329 km (0.092 R)
• M43: 63,010,174 km (0.111 R)
• M44: 66,989,029 km (0.089 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 17,181 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit