🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.8

Radius: 11.1

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.57 AU - 0.83 AU

Year: 397 Days

Day: 6 Hours

Environment

Temp: -165 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,867,102 km

• M1: 140,772 km (0.071 R)
• M2: 502,798 km (0.077 R)
• M3: 920,177 km (0.103 R)
• M4: 1,560,904 km (0.098 R)
• M5: 2,018,374 km (0.119 R)
• M6: 2,536,432 km (0.092 R)
• M7: 3,098,621 km (0.112 R)
• M8: 3,467,978 km (0.081 R)
• M9: 3,993,366 km (0.06 R)
• M10: 4,642,172 km (0.047 R)
• M11: 5,112,956 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.1

Radius: 10.4

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.16 AU - 1.44 AU

Year: 1005 Days

Day: 6 Hours

Environment

Temp: -178 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,867,102 km

• M1: 129,402 km (0.049 R)
• M2: 521,498 km (0.108 R)
• M3: 1,029,084 km (0.063 R)
• M4: 1,503,459 km (0.086 R)
• M5: 2,010,296 km (0.095 R)
• M6: 2,672,566 km (0.027 R)
• M7: 3,190,773 km (0.096 R)
• M8: 3,888,647 km (0.049 R)
• M9: 4,444,852 km (0.032 R)
• M10: 4,900,527 km (0.108 R)
• M11: 5,623,833 km (0.12 R)
• M12: 6,957,348 km (0.108 R)
• M13: 7,527,765 km (0.107 R)
• M14: 7,870,942 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.5

Radius: 12.8

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.07 AU - 1.59 AU

Year: 1040 Days

Day: 9.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,867,102 km

• M1: 159,172 km (0.107 R)
• M2: 656,735 km (0.087 R)
• M3: 1,122,582 km (0.092 R)
• M4: 1,823,897 km (0.104 R)
• M5: 2,303,957 km (0.117 R)
• M6: 2,828,896 km (0.115 R)
• M7: 3,539,336 km (0.112 R)
• M8: 3,970,627 km (0.116 R)
• M9: 4,419,271 km (0.047 R)
• M10: 4,940,470 km (0.068 R)
• M11: 6,471,753 km (0.08 R)
• M12: 7,346,901 km (0.027 R)
• M13: 9,037,207 km (0.101 R)
• M14: 9,664,621 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422

Radius: 11.6

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.99 AU - 2.17 AU

Year: 2035 Days

Day: 12.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,867,102 km

• M1: 144,212 km (0.097 R)
• M2: 1,031,328 km (0.109 R)
• M3: 1,708,108 km (0.06 R)
• M4: 2,235,142 km (0.103 R)
• M5: 2,623,049 km (0.072 R)
• M6: 3,130,635 km (0.107 R)
• M7: 3,686,241 km (0.084 R)
• M8: 4,672,241 km (0.119 R)
• M9: 5,444,016 km (0.04 R)
• M10: 6,420,741 km (0.111 R)
• M11: 7,347,948 km (0.103 R)
• M12: 7,900,413 km (0.062 R)
• M13: 9,435,586 km (0.092 R)
• M14: 10,290,688 km (0.109 R)
• M15: 10,947,722 km (0.07 R)
• M16: 11,743,134 km (0.073 R)
• M17: 12,928,996 km (0.113 R)
• M18: 13,408,906 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471

Radius: 12.1

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.19 AU - 2.69 AU

Year: 2585 Days

Day: 12.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,867,102 km

• M1: 150,495 km (0.118 R)
• M2: 552,764 km (0.092 R)
• M3: 998,566 km (0.113 R)
• M4: 1,384,528 km (0.068 R)
• M5: 2,177,247 km (0.062 R)
• M6: 3,900,316 km (0.101 R)
• M7: 4,528,477 km (0.045 R)
• M8: 7,829,205 km (0.114 R)
• M9: 8,414,132 km (0.112 R)
• M10: 10,527,950 km (0.056 R)
• M11: 15,443,287 km (0.112 R)
• M12: 16,069,654 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.6

Radius: 11

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 4.39 AU - 4.81 AU

Year: 6692 Days

Day: 10.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,867,102 km

• M1: 162,164 km (0.062 R)
• M2: 530,025 km (0.093 R)
• M3: 1,003,951 km (0.059 R)
• M4: 1,474,586 km (0.088 R)
• M5: 2,009,997 km (0.11 R)
• M6: 2,871,531 km (0.055 R)
• M7: 3,857,830 km (0.12 R)
• M8: 5,261,208 km (0.046 R)
• M9: 6,369,578 km (0.067 R)
• M10: 7,627,397 km (0.104 R)
• M11: 11,224,927 km (0.042 R)
• M12: 13,148,157 km (0.081 R)
• M13: 14,036,020 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 701.9

Radius: 6.1

Gravity: 18.86 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 7.21 AU - 9.43 AU

Year: 16277 Days

Day: 18.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,867,102 km

• M1: 75,846 km (0.112 R)
• M2: 354,547 km (0.108 R)
• M3: 642,822 km (0.109 R)
• M4: 877,990 km (0.045 R)
• M5: 1,209,648 km (0.096 R)
• M6: 1,755,980 km (0.117 R)
• M7: 2,389,976 km (0.08 R)
• M8: 3,089,346 km (0.047 R)
• M9: 3,570,004 km (0.057 R)
• M10: 3,857,830 km (0.119 R)
• M11: 5,131,057 km (0.113 R)
• M12: 5,961,625 km (0.115 R)
• M13: 6,325,896 km (0.113 R)
• M14: 6,662,192 km (0.076 R)
• M15: 7,188,926 km (0.101 R)
• M16: 8,079,033 km (0.109 R)
• M17: 8,626,711 km (0.102 R)
• M18: 10,418,744 km (0.111 R)
• M19: 14,720,281 km (0.084 R)
• M20: 16,697,366 km (0.088 R)
• M21: 19,453,109 km (0.111 R)
• M22: 21,077,143 km (0.101 R)
• M23: 28,253,353 km (0.04 R)
• M24: 29,627,709 km (0.108 R)
• M25: 30,926,069 km (0.086 R)
• M26: 34,788,536 km (0.064 R)
• M27: 44,667,531 km (0.119 R)
• M28: 46,059,389 km (0.088 R)
• M29: 49,911,684 km (0.078 R)
• M30: 54,670,991 km (0.099 R)
• M31: 58,984,047 km (0.109 R)
• M32: 60,096,606 km (0.12 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 421 - 16,740 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit