🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.4

Radius: 13.6

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.66 AU - 0.86 AU

Year: 435 Days

Day: 10.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,638,064 km

• M1: 169,345 km (0.057 R)
• M2: 770,429 km (0.073 R)
• M3: 1,634,806 km (0.097 R)
• M4: 2,101,700 km (0.095 R)
• M5: 2,638,158 km (0.12 R)
• M6: 3,114,179 km (0.095 R)
• M7: 3,738,152 km (0.056 R)
• M8: 4,444,403 km (0.099 R)
• M9: 5,043,393 km (0.081 R)
• M10: 6,033,731 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.9

Radius: 10.2

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.82 AU - 0.94 AU

Year: 542 Days

Day: 7.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,638,064 km

• M1: 126,859 km (0.114 R)
• M2: 479,760 km (0.075 R)
• M3: 969,693 km (0.084 R)
• M4: 1,378,844 km (0.096 R)
• M5: 1,887,028 km (0.058 R)
• M6: 2,340,459 km (0.088 R)
• M7: 2,702,336 km (0.072 R)
• M8: 3,813,100 km (0.088 R)
• M9: 4,865,970 km (0.096 R)
• M10: 5,379,390 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.5

Radius: 8.4

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.07 AU - 1.11 AU

Year: 747 Days

Day: 7.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,638,064 km

• M1: 104,419 km (0.114 R)
• M2: 554,859 km (0.095 R)
• M3: 818,899 km (0.113 R)
• M4: 1,219,821 km (0.116 R)
• M5: 2,212,104 km (0.07 R)
• M6: 2,473,601 km (0.114 R)
• M7: 3,023,523 km (0.11 R)
• M8: 3,598,128 km (0.108 R)
• M9: 5,117,444 km (0.095 R)
• M10: 5,380,287 km (0.107 R)
• M11: 5,876,354 km (0.062 R)
• M12: 7,459,548 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.2

Radius: 11.2

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1 AU - 1.42 AU

Year: 873 Days

Day: 14.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,638,064 km

• M1: 139,276 km (0.075 R)
• M2: 723,754 km (0.114 R)
• M3: 1,108,819 km (0.038 R)
• M4: 1,482,964 km (0.086 R)
• M5: 2,116,660 km (0.112 R)
• M6: 2,772,348 km (0.109 R)
• M7: 3,359,071 km (0.071 R)
• M8: 3,710,626 km (0.109 R)
• M9: 4,393,390 km (0.054 R)
• M10: 4,967,547 km (0.086 R)
• M11: 5,572,670 km (0.086 R)
• M12: 5,951,153 km (0.104 R)
• M13: 6,738,935 km (0.092 R)
• M14: 7,481,390 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.3

Radius: 9.3

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.21 AU - 1.97 AU

Year: 1315 Days

Day: 13.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 162.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,638,064 km

• M1: 115,639 km (0.054 R)
• M2: 551,268 km (0.093 R)
• M3: 1,183,319 km (0.078 R)
• M4: 1,838,408 km (0.107 R)
• M5: 2,242,921 km (0.108 R)
• M6: 2,552,738 km (0.083 R)
• M7: 3,084,708 km (0.092 R)
• M8: 3,644,503 km (0.065 R)
• M9: 4,139,822 km (0.066 R)
• M10: 4,592,056 km (0.059 R)
• M11: 5,151,851 km (0.088 R)
• M12: 5,675,743 km (0.088 R)
• M13: 6,407,426 km (0.118 R)
• M14: 6,898,556 km (0.108 R)
• M15: 7,657,765 km (0.108 R)

Asteroid Belt

Center: 2.49 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846

Radius: 9.2

Gravity: 10 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.59 AU - 4.17 AU

Year: 4076 Days

Day: 9 Hours

Environment

Temp: -206 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 36,638,064 km

• M1: 114,442 km (0.086 R)
• M2: 565,031 km (0.045 R)
• M3: 1,472,492 km (0.104 R)
• M4: 1,797,718 km (0.111 R)
• M5: 2,595,822 km (0.119 R)
• M6: 2,909,379 km (0.042 R)
• M7: 3,571,350 km (0.065 R)
• M8: 3,938,314 km (0.077 R)
• M9: 4,306,624 km (0.073 R)
• M10: 4,597,891 km (0.094 R)
• M11: 7,496,200 km (0.031 R)
• M12: 7,812,001 km (0.084 R)
• M13: 9,567,532 km (0.099 R)
• M14: 10,934,408 km (0.086 R)
• M15: 11,618,070 km (0.109 R)
• M16: 12,870,204 km (0.035 R)
• M17: 15,024,114 km (0.098 R)
• M18: 15,470,813 km (0.075 R)
• M19: 15,926,339 km (0.093 R)
• M20: 16,804,478 km (0.08 R)
• M21: 18,978,883 km (0.078 R)
• M22: 19,501,130 km (0.085 R)
• M23: 20,505,979 km (0.104 R)
• M24: 21,474,625 km (0.055 R)
• M25: 23,354,172 km (0.117 R)
• M26: 23,727,718 km (0.044 R)
• M27: 26,698,882 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.2

Radius: 10.4

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.35 AU - 5.45 AU

Year: 7115 Days

Day: 7.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 36,638,064 km

• M1: 130,599 km (0.102 R)
• M2: 472,280 km (0.117 R)
• M3: 905,217 km (0.118 R)
• M4: 1,248,843 km (0.077 R)
• M5: 1,948,811 km (0.063 R)
• M6: 2,278,376 km (0.12 R)
• M7: 4,294,356 km (0.111 R)
• M8: 5,412,301 km (0.072 R)
• M9: 5,751,290 km (0.102 R)
• M10: 6,104,640 km (0.112 R)
• M11: 6,679,246 km (0.074 R)
• M12: 7,179,202 km (0.102 R)
• M13: 8,746,389 km (0.072 R)
• M14: 9,389,211 km (0.102 R)
• M15: 10,248,352 km (0.067 R)
• M16: 11,710,372 km (0.088 R)
• M17: 12,544,829 km (0.049 R)
• M18: 13,927,263 km (0.111 R)
• M19: 14,390,268 km (0.045 R)
• M20: 15,966,730 km (0.116 R)
• M21: 16,861,774 km (0.117 R)
• M22: 17,521,351 km (0.12 R)
• M23: 18,751,794 km (0.111 R)
• M24: 20,480,846 km (0.111 R)
• M25: 22,392,408 km (0.115 R)
• M26: 25,093,996 km (0.032 R)
• M27: 29,685,304 km (0.103 R)
• M28: 31,233,791 km (0.078 R)
• M29: 31,629,179 km (0.085 R)
• M30: 34,596,303 km (0.089 R)
• M31: 36,419,452 km (0.096 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 421 - 13,905 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit