🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.3

Radius: 11.6

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.19 AU - 1.45 AU

Year: 979 Days

Day: 10.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,736,561 km

• M1: 144,212 km (0.119 R)
• M2: 569,369 km (0.091 R)
• M3: 942,616 km (0.091 R)
• M4: 1,512,285 km (0.118 R)
• M5: 2,204,773 km (0.095 R)
• M6: 2,680,495 km (0.105 R)
• M7: 3,353,087 km (0.108 R)
• M8: 4,202,653 km (0.12 R)
• M9: 4,642,172 km (0.085 R)
• M10: 5,490,691 km (0.081 R)
• M11: 6,126,482 km (0.119 R)
• M12: 6,577,220 km (0.066 R)
• M13: 7,074,334 km (0.072 R)
• M14: 10,069,133 km (0.057 R)
• M15: 10,827,445 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.7

Radius: 13.7

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.35 AU - 1.61 AU

Year: 1163 Days

Day: 7.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,736,561 km

• M1: 179,817 km (0.076 R)
• M2: 653,443 km (0.051 R)
• M3: 1,368,073 km (0.063 R)
• M4: 1,884,933 km (0.071 R)
• M5: 2,532,393 km (0.068 R)
• M6: 4,119,327 km (0.051 R)
• M7: 5,440,276 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.3

Radius: 11.9

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.74 AU - 3.8 AU

Year: 4726 Days

Day: 10.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,736,561 km

• M1: 169,494 km (0.089 R)
• M2: 641,775 km (0.111 R)
• M3: 1,018,462 km (0.112 R)
• M4: 1,445,714 km (0.098 R)
• M5: 2,522,968 km (0.112 R)
• M6: 3,911,835 km (0.084 R)
• M7: 6,000,670 km (0.037 R)
• M8: 7,146,440 km (0.052 R)
• M9: 9,695,737 km (0.115 R)
• M10: 10,941,588 km (0.072 R)
• M11: 11,507,068 km (0.092 R)
• M12: 11,943,894 km (0.048 R)
• M13: 13,534,119 km (0.115 R)
• M14: 16,881,222 km (0.098 R)
• M15: 19,487,965 km (0.056 R)
• M16: 20,673,229 km (0.101 R)
• M17: 21,102,724 km (0.106 R)
• M18: 25,079,634 km (0.082 R)
• M19: 25,980,662 km (0.055 R)
• M20: 26,818,410 km (0.119 R)
• M21: 27,501,474 km (0.117 R)
• M22: 28,547,762 km (0.066 R)
• M23: 30,166,859 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.1

Radius: 14.1

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.37 AU - 4.45 AU

Year: 4992 Days

Day: 13.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,736,561 km

• M1: 175,329 km (0.119 R)
• M2: 649,404 km (0.092 R)
• M3: 1,194,389 km (0.102 R)
• M4: 2,111,724 km (0.109 R)
• M5: 2,644,741 km (0.077 R)
• M6: 3,735,908 km (0.115 R)
• M7: 4,765,291 km (0.078 R)
• M8: 5,298,906 km (0.117 R)
• M9: 5,846,584 km (0.089 R)
• M10: 6,570,338 km (0.099 R)
• M11: 8,626,412 km (0.083 R)
• M12: 9,140,280 km (0.118 R)
• M13: 11,201,739 km (0.113 R)
• M14: 11,648,737 km (0.077 R)
• M15: 14,112,166 km (0.106 R)
• M16: 15,070,938 km (0.114 R)
• M17: 17,011,522 km (0.116 R)
• M18: 19,229,011 km (0.068 R)

Asteroid Belt

Center: 4.17 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.6

Radius: 10.1

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.65 AU - 5.19 AU

Year: 6000 Days

Day: 9.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,736,561 km

• M1: 132,693 km (0.11 R)
• M2: 533,167 km (0.106 R)
• M3: 858,692 km (0.093 R)
• M4: 1,301,950 km (0.086 R)
• M5: 1,867,879 km (0.095 R)
• M6: 2,472,853 km (0.083 R)
• M7: 3,304,467 km (0.084 R)
• M8: 6,082,949 km (0.032 R)
• M9: 7,588,352 km (0.082 R)
• M10: 18,310,181 km (0.104 R)
• M11: 23,418,200 km (0.119 R)
• M12: 25,312,259 km (0.12 R)
• M13: 28,957,660 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 462

Radius: 3.5

Gravity: 37.71 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 9.11 AU - 11.21 AU

Year: 20910 Days

Day: 18.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,736,561 km

• M1: 171,290 km (0.076 R)
• M2: 399,127 km (0.107 R)
• M3: 923,617 km (0.104 R)
• M4: 1,410,708 km (0.063 R)
• M5: 1,535,323 km (0.101 R)
• M6: 1,650,513 km (0.081 R)
• M7: 2,273,439 km (0.087 R)
• M8: 2,864,350 km (0.09 R)
• M9: 4,988,790 km (0.102 R)
• M10: 6,096,861 km (0.116 R)
• M11: 7,405,543 km (0.112 R)
• M12: 10,740,529 km (0.092 R)
• M13: 12,499,052 km (0.102 R)
• M14: 13,170,896 km (0.032 R)
• M15: 15,179,995 km (0.118 R)
• M16: 20,153,825 km (0.114 R)
• M17: 21,263,841 km (0.085 R)
• M18: 21,547,629 km (0.058 R)
• M19: 22,122,832 km (0.11 R)
• M20: 24,113,681 km (0.045 R)
• M21: 25,047,471 km (0.11 R)
• M22: 31,649,225 km (0.074 R)
• M23: 34,951,299 km (0.089 R)
• M24: 42,229,684 km (0.037 R)
• M25: 42,378,683 km (0.11 R)
• M26: 43,280,459 km (0.105 R)
• M27: 43,583,844 km (0.116 R)
• M28: 49,787,667 km (0.085 R)
• M29: 66,494,608 km (0.105 R)
• M30: 67,304,082 km (0.077 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 11,807 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit