🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.8

Radius: 8.6

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.52 AU - 0.82 AU

Year: 379 Days

Day: 13 Hours

Environment

Temp: -149 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,350,779 km

• M1: 106,962 km (0.074 R)
• M2: 594,352 km (0.073 R)
• M3: 1,069,924 km (0.069 R)
• M4: 1,527,394 km (0.052 R)
• M5: 1,840,652 km (0.099 R)
• M6: 2,167,823 km (0.095 R)
• M7: 2,664,936 km (0.067 R)
• M8: 2,967,872 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.2

Radius: 9.6

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.15 AU - 1.61 AU

Year: 1119 Days

Day: 8.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,350,779 km

• M1: 119,379 km (0.09 R)
• M2: 451,038 km (0.106 R)
• M3: 818,450 km (0.119 R)
• M4: 1,359,545 km (0.058 R)
• M5: 1,720,675 km (0.118 R)
• M6: 2,772,497 km (0.088 R)
• M7: 3,647,794 km (0.082 R)
• M8: 5,002,104 km (0.083 R)
• M9: 5,572,969 km (0.04 R)
• M10: 6,510,200 km (0.087 R)
• M11: 6,867,589 km (0.078 R)
• M12: 7,332,839 km (0.106 R)
• M13: 8,171,933 km (0.114 R)
• M14: 8,561,935 km (0.111 R)
• M15: 9,101,235 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.3

Radius: 12.1

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.25 AU - 1.51 AU

Year: 1119 Days

Day: 7.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,350,779 km

• M1: 151,692 km (0.093 R)
• M2: 583,132 km (0.106 R)
• M3: 1,691,204 km (0.049 R)
• M4: 2,700,242 km (0.064 R)
• M5: 3,451,522 km (0.115 R)
• M6: 4,171,985 km (0.086 R)
• M7: 4,612,252 km (0.117 R)
• M8: 5,102,185 km (0.108 R)
• M9: 5,507,146 km (0.117 R)
• M10: 5,996,331 km (0.106 R)
• M11: 6,492,099 km (0.119 R)
• M12: 7,180,099 km (0.105 R)
• M13: 7,840,275 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.6

Radius: 12

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.71 AU - 1.99 AU

Year: 1737 Days

Day: 7.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,350,779 km

• M1: 149,299 km (0.1 R)
• M2: 591,660 km (0.048 R)
• M3: 983,606 km (0.119 R)
• M4: 1,721,423 km (0.111 R)
• M5: 2,108,582 km (0.063 R)
• M6: 2,882,302 km (0.086 R)
• M7: 3,481,591 km (0.033 R)
• M8: 4,180,512 km (0.1 R)
• M9: 5,444,465 km (0.095 R)
• M10: 5,903,132 km (0.072 R)
• M11: 6,948,372 km (0.081 R)
• M12: 9,496,622 km (0.088 R)
• M13: 9,937,637 km (0.118 R)
• M14: 10,359,503 km (0.078 R)
• M15: 10,997,388 km (0.087 R)
• M16: 12,351,997 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674

Radius: 10.9

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.19 AU - 5.19 AU

Year: 5920 Days

Day: 6.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,350,779 km

• M1: 136,433 km (0.045 R)
• M2: 482,453 km (0.096 R)
• M3: 886,367 km (0.101 R)
• M4: 2,136,706 km (0.03 R)
• M5: 3,105,652 km (0.061 R)
• M6: 4,147,003 km (0.115 R)
• M7: 4,655,187 km (0.04 R)
• M8: 5,261,956 km (0.072 R)
• M9: 5,920,785 km (0.118 R)
• M10: 7,622,760 km (0.034 R)
• M11: 8,506,584 km (0.092 R)
• M12: 9,035,562 km (0.079 R)
• M13: 12,579,087 km (0.098 R)
• M14: 22,029,034 km (0.11 R)
• M15: 32,129,284 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.2

Radius: 12.4

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 4.71 AU - 4.91 AU

Year: 7282 Days

Day: 8.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 64.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,350,779 km

• M1: 155,731 km (0.102 R)
• M2: 625,917 km (0.061 R)
• M3: 1,025,194 km (0.114 R)
• M4: 1,849,179 km (0.094 R)
• M5: 2,377,409 km (0.095 R)
• M6: 3,093,684 km (0.115 R)
• M7: 3,907,197 km (0.08 R)
• M8: 4,456,072 km (0.09 R)
• M9: 6,014,433 km (0.082 R)
• M10: 6,477,737 km (0.118 R)
• M11: 11,175,559 km (0.115 R)
• M12: 11,611,039 km (0.099 R)
• M13: 14,011,785 km (0.072 R)
• M14: 15,948,928 km (0.075 R)
• M15: 17,470,937 km (0.101 R)
• M16: 18,237,476 km (0.119 R)
• M17: 18,781,115 km (0.115 R)
• M18: 19,460,289 km (0.112 R)
• M19: 22,410,509 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 826.9

Radius: 7.4

Gravity: 15.1 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.47 AU - 5.79 AU

Year: 9221 Days

Day: 22 Hours

Environment

Temp: -229 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 48,350,779 km

• M1: 102,923 km (0.079 R)
• M2: 428,299 km (0.105 R)
• M3: 694,583 km (0.06 R)
• M4: 940,223 km (0.104 R)
• M5: 2,143,438 km (0.038 R)
• M6: 2,636,962 km (0.091 R)
• M7: 3,157,413 km (0.097 R)
• M8: 3,591,396 km (0.097 R)
• M9: 4,259,201 km (0.063 R)
• M10: 4,667,902 km (0.095 R)
• M11: 5,362,635 km (0.11 R)
• M12: 5,945,169 km (0.06 R)
• M13: 6,956,151 km (0.066 R)
• M14: 9,459,223 km (0.094 R)
• M15: 9,852,965 km (0.077 R)
• M16: 12,216,611 km (0.109 R)
• M17: 13,591,266 km (0.114 R)
• M18: 14,156,297 km (0.114 R)
• M19: 17,731,836 km (0.086 R)
• M20: 18,942,830 km (0.12 R)
• M21: 20,614,437 km (0.116 R)
• M22: 25,833,757 km (0.109 R)
• M23: 27,586,147 km (0.104 R)
• M24: 29,208,984 km (0.111 R)
• M25: 29,938,573 km (0.032 R)
• M26: 30,894,503 km (0.095 R)
• M27: 31,651,917 km (0.117 R)
• M28: 31,980,285 km (0.037 R)
• M29: 35,390,069 km (0.078 R)
• M30: 37,182,551 km (0.062 R)
• M31: 41,598,680 km (0.098 R)
• M32: 41,992,721 km (0.094 R)
• M33: 47,059,451 km (0.097 R)
• M34: 47,773,930 km (0.111 R)
• M35: 48,206,119 km (0.064 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: 524 - 11,642 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit